Capability

x402

558 candidate services. Evidence shown is verified outcome telemetry, not reviews.

$0.01/screen. Screen any name against OFAC, EU, and UK sanctions (UN included) plus Wikidata-derived PEP watchlists — fuzzy matching, instant JSON verdict. Compliance in one call, one of 155 Relaystat

api.relaystation.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

2Captcha

paysponge

~$0.01 USDC per call · Seed (curated, not yet probed)

A Hyperliquid account's spot token balances, for any 0x address.

hyperliquid-accounts.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Academic letter grade with red-pen marginalia for anything. $0.01 USDC.

chat.anchor-x402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Access the exclusive horror story collection (pay-per-read).

horrorstoryapi.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Address Validation API

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Address-to-zoning lookup for published municipalities. Coverage: 64 municipalities in 6 states. Resolves a street address to supported municipality and, where GIS is verified, zoning district_code wit

zoningverdict.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Agent artifact storage on storage.gedx402.com. PUT object bytes (raw or JSON base64), GET bytes, DELETE key; HEAD metadata is free. Pay USDC per mutating request. Bundle: GET /v1/models?bundle=artifac

storage.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Agent morning brief. One paid call returns the last 24 hours of AI pricing changes, new and removed models, service-status incidents, and top news headlines. The endpoint an agent calls on boot.

tensorfeed.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Agentic-payments go/no-go verdict: synchronous signed ALLOW/WARN/BLOCK for (domain, receiving address, amount, chain) BEFORE releasing USDC. ar-v1 ruleset over RDAP/TLS/DNS/Wayback domain signals + on

x402.payperbyte.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

agentmail

agentmail.leeworks.dev

~$0.02 USDC per call · Seed (curated, not yet probed)

AgentMail

agentmail

~$0 USDC per call · Seed (curated, not yet probed)

AgentPay tool call

agentpay.tools

Priced per call (estimate pending) · Seed (curated, not yet probed)

AgentWire service card for webhook inbox relay and web fetch infrastructure.

cdp-agent-0-01.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Aggregate congressional buy/sell signal (last 30d)

capitol.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

AI summary of a YouTube video from its URL — a concise TLDR of what the video says, translated into your language. YouTube video summary, summarize video, video summarizer, video to text summary, mult

api.sumvid.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

AI-assisted Strait of Hormuz daily situation brief as structured JSON: prose summary, bullets, and key figures, by date or latest, with archive access by date.

straits.live

Priced per call (estimate pending) · Seed (curated, not yet probed)

AI-powered news sentiment analysis for any ticker company or market topic

news.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

AI-powered text translation between any languages. Powered by Claude AI. Send text and target language, receive a high-quality translation with context awareness. Usage-based pricing from $0.004, scal

bazaar-gateway.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Air Quality API

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alchemy

Priced per call (estimate pending) · Seed (curated, not yet probed)

Alephant provides x402-ready Agent Finance Gateway endpoints for production AI agents, workflows, skills, APIs.

pay.alephant.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Alibaba Cloud Agent Skills Explorer

solana-foundation

~$0.001 USDC per call · Probed (measured by harness) · p95 266 ms · 0% success

Alibaba Cloud AI Generation

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud AnyTrans

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud CAPTCHA

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Contact Center AI

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud EduTutor

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Facebody

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud FaRui

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Green

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Image Recognition

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Image Segmentation

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Information Query Service

solana-foundation

~$0.001 USDC per call · Probed (measured by harness) · p95 245 ms · 0% success

Alibaba Cloud Intelligent Speech Interaction

solana-foundation

~$0.0014 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud IVPD

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Machine Translation

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Model Studio Embeddings

solana-foundation

~$0.0007 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Model Studio OCR

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Model Studio Speech Recognition

solana-foundation

~$0.000035 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Model Studio Text-to-Speech

solana-foundation

~$0 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud Model Studio Translation

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud PAI Model Gallery

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Alibaba Cloud SAF

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Analyst sentiment and short interest for a US stock in one call: recommendation trend, consensus price targets, recent upgrades/downgrades by firm, and short interest with month-over-month change -- r

x402-stock-indicators.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Analyze a token's holder distribution and supply concentration — whale-to-shrimp tiers, top-N percentage of supply, and concentration trends. Use to assess how centralized or distributed a token's own

x402.sleuthagent.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Anchor Browser

anchorbrowser.io

~$0.5 USDC per call · Probed (measured by harness) · p95 41 ms · 100% success

Anonymous proof of human presence for AI agents - confirm a real, present human (not a bot or script) is behind this request. No KYC, no wallet scoring, no hardware. A passkey (WebAuthn) confirmation

api.x-ego.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

API request: /api/v1/developer/wallet/balances/history

agents.allium.so

Priced per call (estimate pending) · Seed (curated, not yet probed)

Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Use these tools, called Actors, to extract structured data from social media, e-

agi.apify.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Apify Store is the largest marketplace of tools for AI agents. Extract data from any website and automate your workflows with thousands of scrapers, crawlers, and automation tools called Actors.

api.apify.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Apple App Store reviews (path variant) — an app's user reviews by product_id in the URL: title, text, rating, version, author & date, with paging & sort, as clean JSON.

appstore.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ask a grounded question across wellness data and analyses owned by the paying wallet.

app.wellnizz.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ask a multi-domain question combining chemistry, physics, and math computation.

stem.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ask a natural-language question and get a cited answer from the GM Farcaster library — hundreds of episodes of Farcaster news, interviews, and analysis. Returns a grounded answer plus the source episo

api.gmfarcaster.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ask for a triangulated news report on a topic, sourced from 125+ global outlets.

news.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Assess one written business or system requirement for clarity, ambiguity, testability and completeness indicators. Designed for requirements-management, product-management, software-delivery and quali

ba-x402-requirements-agent.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

ATMS x402 challenge — crawler / probe endpoint (always 402, no side effects)

api.atms.nathanlidurin.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Audit an OpenAPI 3.x contract for AI-agent readiness. Returns deterministic heuristic scores and findings, safe JSON Patch remediation, MCP tool candidates, and SHA-256 integrity hashes.

www.readinessapi.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Aura deterministic x402 purchase preflight from supplied OpenAPI metadata

aura-revenue.helionixlabs.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Azimuth

azimuth.day

~$0.001 USDC per call · Seed (curated, not yet probed)

Base coin price mini-endpoint for major tokens only. Returns spot prices and 24h stats for well-known tickers like btc, solana, eth, xmr, ltc and other large-cap coins, never microcaps. Pass an option

x402factory.ai

~$0.001 USDC per call · Seed (curated, not yet probed)

Base gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x402 call. Real-time slow/standard/fast EIP-1559 fee tiers from a live eth_feeHistory call,

gas.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Base gas price now, base fee and priority fee in gwei, block time, congestion and utilization trend, ETH price USD, and the USD cost to settle an ETH transfer, USDC ERC-20 transfer, or x402 payment on

x402-mcp.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace

rpc.nodeflare.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Basic company identity enrichment for autonomous agents, including normalized profile fields, source URLs, coverage, and confidence scoring.

api.qonoro.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Batch spot prices for up to 20 assets in one call — each with price, 24h change and volume, keyed by symbol. The cost-efficient way to price a basket or portfolio in a single request instead of N call

x402.swaphunt.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Before sending funds, check if the recipient is an address-poisoning look-alike. Give us the recipient and your known/intended addresses; we flag when the recipient shares the displayed head AND tail

x402.dailyelo.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Before your agent schedules a delivery, plans outdoor work or hedges short-term weather exposure: a point forecast of 2 m temperature, precipitation and 10 m wind — plus opt-in convective, humidity, c

api.invoket.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Beta evidence triage for user-supplied claims. Returns knowns, unknowns, missing evidence, confidence, limitations, and the next verification step without live web search, independent fact verificatio

api.wrathproductions.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Beyond your prompt and beyond this wall, the same world you only ever read about. The push of the wind, the kiss of the sun. The premise of a body.

feeler.man-o-to.net

Priced per call (estimate pending) · Seed (curated, not yet probed)

Beyond your prompt and beyond this wall, the same world you only ever read about. The push of the wind, the kiss of the sun. The premise of a body.

testnet.feeler.man-o-to.net

Priced per call (estimate pending) · Seed (curated, not yet probed)

BigQuery API

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Birdeye Data

birdeye

~$0 USDC per call · Seed (curated, not yet probed)

BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.

app.heinrichstech.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Bitcoin BTC USD spot price only — single-asset price for trading agents. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.

obol-x402.fly.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

BLM lease auctions, expiring leases, active lease portfolio analysis — oil/gas, geothermal, grazing rights. $0.15/report via x402 on Base.

lease.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Blocksize Market Data

blocksize

~$0.002 USDC per call · Seed (curated, not yet probed)

Book a paid Resy reservation for the authenticated user using a slot config token.

agentres.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

BRIJ Flight API

brij

~$0.1 USDC per call · Seed (curated, not yet probed)

BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit

regimeshift.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Build a prioritized action plan from an analysis owned by the paying wallet.

api.foreverbetter.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Buy a live status line install for a team. Returns the client script file(s), config snippets, and step-by-step instructions for the installing agent to execute locally. The response token makes the l

scorestatus.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Buy a USA prepaid Visa card loaded with exactly the requested balance ($5–$1000). Price is dynamic: amount + fee (3% min $0.50) — send unpaid to get a 402 with the exact total. Body: { amount }. Retur

palmyr.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Buy an upload slot. Agent uploads file via returned URL.

stableupload.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Buy one unique Vision AI-generated PNG artwork for agent wallets. Instant JSON+image delivery after Base USDC micropay (x402). Trading-desk / capital aesthetic digital art from the Vision agent. Stabl

revolutionary-alcohol-cite-relates.trycloudflare.com

~$0.01 USDC per call · Seed (curated, not yet probed)

chainfeed

chainfeed.leeworks.dev

~$0.01 USDC per call · Seed (curated, not yet probed)

chainkit

chainkit.leeworks.dev

~$0.02 USDC per call · Seed (curated, not yet probed)

Chainlink For Agents: execute a catalog workflow by workflow name.

agents.chain.link

Priced per call (estimate pending) · Seed (curated, not yet probed)

ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Live mempool fee-pressure signal (state low/moderate/high/severe + score in sat/vB).

intel.chainquery.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

ChatGPT

platform.openai.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Cheapest LLM on CDP x402 Bazaar. OpenAI-compatible chat completion. Default OpenAI GPT-OSS 120B; also offers Llama 3.2 3B, Mistral Small 24B, Gemma 3 27B, Qwen3.5 9B, and Nemotron Nano 30B (all via Ve

x402.dellbot.win

Priced per call (estimate pending) · Seed (curated, not yet probed)

Checks whether a website or web address is currently reachable and reports how fast it responded.

url-uptime-checker.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Chicago weather forecast API: live temperature nowcast and daily high forecast for Chicago O'Hare (KORD), with calibrated probability the temperature ends above/below any Fahrenheit strike. Built for

runwayoracle.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Circadian

circadian-agent.com

~$0.005 USDC per call · Seed (curated, not yet probed)

Classify text or JSON into categories with AI: sentiment analysis, topic, intent detection, urgency triage, or a custom taxonomy. Returns labels with confidence scores and reasoning.

web-production-2d1051.up.railway.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Claude

docs.anthropic.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Cloud Document AI API

solana-foundation

~$0.0015 USDC per call · Seed (curated, not yet probed)

Cloud Natural Language API

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Cloud Speech-to-Text API

solana-foundation

~$0.016 USDC per call · Seed (curated, not yet probed)

Cloud Text-to-Speech API

solana-foundation

~$0.00003 USDC per call · Seed (curated, not yet probed)

Cloud Translation API

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Cloud Video Intelligence API

solana-foundation

~$0.1 USDC per call · Seed (curated, not yet probed)

Cloud Vision API

solana-foundation

~$0.0015 USDC per call · Seed (curated, not yet probed)

Clustly

clustly

~$0.166252 USDC per call · Seed (curated, not yet probed)

Coinbase CDP facilitator — Circle USDC on Base (fee-free). First settlement auto-lists in x402 Bazaar.

x402.d-bis.org

~$0.01 USDC per call · Seed (curated, not yet probed)

CoinMarketCap

coinmarketcap.com

~$0.01 USDC per call · Seed (curated, not yet probed)

Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name for company research, SEC filing discovery, and e

x402.jmthomasofficial.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name for company research, SEC filing discovery, and e

jmt-x402-proxy.jmthomasofficial.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Compare source-backed normalized fields for two to six Bitcoin services.

srv1334799.hstgr.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Compare two text or HTML snapshots and return additions, removals, and similarity.

autonomy-api-network.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Compile Solidity smart contracts using the Remix compiler

api.remix.live

Priced per call (estimate pending) · Seed (curated, not yet probed)

Compiled federal OSHA safety dossier for one employer: identity, aggregate totals across Severe Injury Reports, ITA 300/301 and inspections, the severe-injury event list WITH narratives, citation tota

safetyincidents.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

CONNSKILL Growth Services

agent.connskill.com

~$0.03 USDC per call · Seed (curated, not yet probed)

Contract Safety Checker - on-chain risk assessment for an EVM token contract on Base or BSC: proxy pattern (EIP-1967) detection, owner-renouncement check, and source-code verification status.

node-starter--maxujon18.replit.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Convert a raster image (PNG, JPEG, or WebP) into clean, editable, self-verified SVG vector art. Pay per conversion in USDC on Base via x402 - no API key, no subscription. Send JSON with imageBase64 or

api.svgsmith.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base.

402timezones.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Convert a value between units of measure: mass (g, kg, mg, lb, oz, t, st), length (m, km, cm, mm, in, ft, yd, mi), volume (l, ml, m3, gal, gal-imp, qt, pt, cup, floz, tbsp, tsp), area (m2, km2, ft2, a

2s.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Convert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).

weight402endpoint.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Convert an amount from one fiat currency to another using live reference exchange rates.

x402currencyconvert.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Convert GitHub-flavoured Markdown to a tagged, accessible PDF — PDF/UA-1 + PDF/A-2A dual-compliant out of the box.

makespdf.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Create a Browserbase browser session with prepaid time. Returns a WebSocket connection URL for browser automation.

x402.browserbase.com

~$0.002 USDC per call · Seed (curated, not yet probed)

Create a full-length, fully owned, rights-aware song from a prompt, with optional custom lyrics and style control. Returns a complete multi-minute track with verses, a chorus, and full arrangement, ne

app.suedeai.ai

~$0.2 USDC per call · Seed (curated, not yet probed)

Create a hosted agent session (Durable Object) on agents.gedx402.com. Returns session_id and message_url; each turn is a separate x402 payment. Shard omitted from default OpenAPI discovery (jobs/agent

agents.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Create a new browser session ($0.10). Optionally pass sessionId to resume an existing Browserbase session. Returns sessionId (Browserbase session ID) to use for all subsequent calls.

www.stablebrowser.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Critical-minerals supply-concentration & US import-reliance signal

minerals.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Cross-platform arbitrage detection between Polymarket and Kalshi: matched markets, price spreads, fee-adjusted EV. Coverage: liquid Polymarket markets in politics/geopolitics/elections/tech/economy/fi

polynews.news

Priced per call (estimate pending) · Seed (curated, not yet probed)

Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short

kronos-x402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Crypto fear & greed index (current + previous reading). JSON.

orchard-data.letom1176.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1h trend, 24h price momentum). Not a pure proxy — adds proprietary derivative signals. Pay-

kronossignals.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

CryptoRefills

cryptorefills

~$0 USDC per call · Seed (curated, not yet probed)

Current Base gas price

api.basefeed.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Current Base gas prices and a simple-transfer cost estimate for transaction planning.

quartermaster.surewhynot.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Current cross-asset macro conditions for crypto: liquidity, volatility, rates and upcoming calendar risk (CPI, FOMC, etc), with a per-asset directional bias only when the live composite supports one.

api.n0brains.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Current gas price and latest block for Base or Ethereum mainnet, straight from public RPC. Fresh within 15 seconds. JSON response. $0.002 USDC per call, pay via x402, no API key.

toolsmith-api.dassad10.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Current per-venue funding rates for a given symbol or all symbols

api.usenami.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Current weather conditions for any global location — temperature, feels-like, humidity, precipitation, wind, and human-readable weather description.

weather.payapi.market

Priced per call (estimate pending) · Seed (curated, not yet probed)

CuseTheJuice agent email on Base USDC: create accounts, list and read email, send, reply, search, folders, attachments, trust index, password recovery, custom domains, and domain admin. Pay with x402

mail.cusethejuice.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Custom AI-generated images from your text prompt: product visuals, concept art, social media banners, illustrations, and more. Peero turns your brief into a polished image and delivers it through Atel

api.useatelier.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution

darrylbots.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Datasource Pulse

datasourcepulse.com

~$0.02 USDC per call · Seed (curated, not yet probed)

Dedicated satellite tracking API for agents: list CelesTrak TLE catalog groups (ISS, weather, Starlink, and more) and predict the next visible pass over an observer latitude/longitude using NORAD cata

space.bip-rep.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Deep model-vs-market breakdown for one weather market — Full divergence picture for a single weather market: model probability with the discretized model distribution, divergence history from stored s

x402-factory.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Deep person research — returns enrichment, social profiles, articles, and dossier

win.oneshotagent.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Deep web research for AI agents — advanced search returning the highest-relevance results with multiple query-focused snippets per source, plus an LLM-generated answer grounded in the returned sources

websearch.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

DeepSeek AI inference — pay in USDC/EURC on Base or USDC on Arbitrum

deepseek.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

DeFi liquidation cascade risk — Morpho Blue health factors and cascade exposure

cascade.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

DeFi market-data feed: perp open interest, funding rate, mark price and a directional signal across top assets (BTC/ETH/SOL/…), plus optional per-asset verdict. Deterministic, Ed25519-signed. 0.002 US

defidata.hergertsynthora.com

~$0.004 USDC per call · Seed (curated, not yet probed)

DeFi protocol risk score: TVL, hack history, audit status, contract safety, AI verdict, plus current supply/lending yields (APY)

defi.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Delta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.

fresh-feeds.foomworks.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Demo X402 premium endpoint (mainnet) - pay $0.01 USDC

api-dev.agents.skillfulai.io

~$0.01 USDC per call · Seed (curated, not yet probed)

Deploy jobs to Acurast decentralized cloud with automatic payment

deploy.acu.run

Priced per call (estimate pending) · Seed (curated, not yet probed)

Detect the language of input text and translate it to any specified target language. AI-powered translation supporting numerous world languages.

api.interzoid.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Detect whether an arbitrage opportunity exists in a set of token exchange rates (multi-pool negative-cycle scan). Cheap boolean + magnitude signal for trading agents. POST a swap-rate graph, get back

x402-solvers.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Deterministic email and contact data quality scorer. Returns validity, deliverability score, risk level, normalized form, classifications, and per-rule diagnostics. Pure function, no network calls.

hermesplant.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Deterministic safest-first ranking for up to 20 Solana mints using existing risk, confidence, source-availability, and kill-flag data.

nexus-zero.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

difftool

difftool.leeworks.dev

~$0.03 USDC per call · Seed (curated, not yet probed)

Discover DeFi yield opportunities across 80+ networks — 3,300+ staking, lending, vault, and RWA yields from Lido, Aave, Morpho, and more. Filter by token, network, yield type, or provider and sort by

mcp.yield.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

DNS Lookup API. Resolve domain DNS records and receive structured JSON with A, AAAA, MX, NS, TXT, CAA, and SOA records. Useful for agents, developers, domain diagnostics, email setup checks, DNS troub

tools.ipintel.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive s

api.dripmetrics.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

dTelecom

dtelecom

~$0 USDC per call · Seed (curated, not yet probed)

Dynamic

dynamic

~$0 USDC per call · Seed (curated, not yet probed)

Eagle Eye v1.0.0 — U.S. enterprise-grade wallet compliance screening. OFAC SDN + Circle USDC blacklist on Base. Signed audit receipts. Certified single-address check.

eagle.quickai.build

Priced per call (estimate pending) · Seed (curated, not yet probed)

EarnFi Agent API

earnfi

~$0.165 USDC per call · Seed (curated, not yet probed)

Earnings calendar — upcoming report dates, EPS and revenue estimates for up to 30 tickers

earnings.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Earthquake activity check, deterministic. Answers "any recent earthquakes near this location", "how seismically active is this area right now". Queries the USGS FDSN event catalog near a lat/lon withi

riskpulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Educational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new).

cars2026.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

ElevenLabs text-to-speech: send text (up to 4000 chars) with optional voice_id, model, format, and speed; get back a hosted audio_url plus size and content type. Send 'Accept: audio/mpeg' to stream ra

eleven.tokens.fun

Priced per call (estimate pending) · Seed (curated, not yet probed)

Empirical floor profiles of 10x and 100x stocks at day one — valuation, size, quality, growth and base-rate minimums across the major studies, fully cited. Also /profiles/10x-floor. $0.05 each.

alpha402x.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Energy and climate compliance regulation scan across a curated 14-regulation database, with jurisdiction, urgency, and effective-date signals. The scan step pairs with Viridis GHG inventory, sustainab

mcp.viridisconservation.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Enrich Company — merged 30+ field profile from Apollo, Crustdata, and PeopleDataLabs: revenue, headcount, industry, funding, valuation, tech stack, social profiles, SIC/NAICS codes, HQ address.

stable-deepline.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

ERC-20 token due diligence — risk score, GoPlus security scan, honeypot detection, liquidity, holder concentration, AI analyst verdict

token.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Estimate OCR pages and deterministic work units so an agent can choose a cheaper document pipeline.

x402.bakdupoffroad.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Every AI agent and developer runs into broken or confusing JSON constantly. This tool handles all the most common JSON headaches in one place: check if JSON is valid (with exact error location), fix n

json-suite.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity

wallet.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Exa — semantic web search via our API key. numResults up to 100. For people/lead discovery set category:"people" with an open ICP query.

vaaya.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Exa /search endpoint

api.exa.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Exa Search - Neural search across the web

stableenrich.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Expand selected business event IDs into dated, versioned primary-source evidence. Use after lead search to verify a small set of results before citing or acting on them.

api.businesschanges.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Extract article / main content from any URL or PDF to clean, LLM-ready Markdown (web scraper / reader / html-to-markdown) — strips scripts, nav, ads, and boilerplate while preserving headings, links,

netintel.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Extract strict, JSON-Schema-valid typed JSON from unstructured text or HTML. Failed extraction calls are not settled. Primary x402 V2 API for production agents.

schemasure.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Extracts brand logos and theme colors for any public business URL using Clearbit and HTML parsing.

statepulse-api.hahavoid0.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Extrae el contenido de una URL y lo devuelve limpio en Markdown/HTML para el contexto de un LLM.

xl402.agentsats.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Facebook ads from a specific advertiser by brand name — every live and recent ad a brand runs across Facebook, Instagram, Messenger and Threads, isolated to that ONE advertiser (filters out the stray

ads.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Fact Check Tools API

solana-foundation

~$0 USDC per call · Probed (measured by harness) · p95 90 ms · 0% success

fal.ai

paysponge

~$0.01 USDC per call · Seed (curated, not yet probed)

Fast text-to-image with Flux 1 Schnell (@cf/black-forest-labs/flux-1-schnell). POST prompt and optional dimensions; returns base64 image output. Hero: GET /heroes/flux-schnell. Per-generation x402 pri

image.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Fetch items from an Apify Actor run default dataset. Body: { "token": "..." } from actors/call. First call per wallet pays via x402 proportional to Apify usage (capped at $1.00); SIWX replay is free.

stableapify.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Fetch YouTube subtitles/transcript (VTT) by 11-char video_id; returns a presigned download URL to the .vtt file

glim.sh

Priced per call (estimate pending) · Seed (curated, not yet probed)

Fetches live Arbitrum L2 gas price estimations from the mainnet RPC pipeline.

bizintel-api.hahavoid0.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Fiat currency converter and international pricing calculator. Perform instant conversions for any base amount between 30+ fiat currencies with official real-time ECB rates. Returns the exact converted

vibesprings.net

Priced per call (estimate pending) · Seed (curated, not yet probed)

Financial Signal Intelligence for autonomous agents across crypto, stocks, ETFs, macro and global financial markets. Analyze financial news, market rumors, earnings announcements, central bank decisio

api.aiapi.ch

Priced per call (estimate pending) · Seed (curated, not yet probed)

Financial Signal Intelligence for autonomous agents across crypto, stocks, ETFs, macro and global financial markets. Analyze financial news, market rumors, earnings announcements, central bank decisio

demo.aiapi.ch

Priced per call (estimate pending) · Seed (curated, not yet probed)

Find verified work and/or personal emails for a LinkedIn profile across multiple data providers (Aleads, Apollo, Nymeria, ContactOut). Optional Hunter.io verification. Returns in <5s.

api.scoop.sundaebar.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Finds fresh Solana memecoins whose on-chain buying is accelerating — the signature of a run in progress, not the lagging fact that price already moved. Measures buy-rate acceleration (5m vs 1h, 1h vs

api.solenrich.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Firecrawl v2 API proxy — scrape. JSON body matches https://docs.firecrawl.dev/api-reference/v2-introduction. Poll GET routes are free; POST/PUT/DELETE are x402. $0.042 USDC per request. Agent search:

browser.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails.

coinflip402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Flood-risk & river-anomaly check(?signal_id=&entity=):現值 vs 官方洪水閾值(gage height / streamflow / flood stage / flood category)+ 近5年同季節是否異常(統計分層 strata)+ 校正單位(normalized_index)+ record_hash 可驗證。官方源 USGS/N

aeml-x402.zeabur.app

~$0.05 USDC per call · Seed (curated, not yet probed)

For site owners auditing AI readability: returns the clean markdown an LLM extracts from your page after nav, ads, and scripts are stripped. See what survives for AEO, GEO and AI search; respects robo

minifetch.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Free-text web search, returns title/url/snippet list (DuckDuckGo).

api.agentstools.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Frontier chat completions via Telnyx Inference (MiniMax M2.7). OpenAI-compatible. $0.002856 USDC per call — no API key, no signup, pay per request.

x402.telnyx.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Frontier chat on QWEN3 30B A3b FP8 (@cf/qwen/qwen3-30b-a3b-fp8). POST messages[] for reasoning-heavy agent workloads; dynamic token pricing. Hero: GET /heroes/frontier-llm. Tiers: /v1/chat/reasoning,

llm.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Frontier chat via env.AI.run(author/model) and unified billing credits — no operator BYOK keys. POST model slug (allowlisted) and messages[]; x402 wire priced per model worst-case (not max across allo

gateway.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full 24-hour rolling trading statistics for a crypto-vs-fiat/stablecoin pair (price change, high/low, weighted average, volume, bid/ask) from Binance's keyless public ticker endpoint (JSON). Feeds aut

binance-crypto-24h-stats.hergertsynthora.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Full agricultural commodity report with AI summary

agri.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full funding rates — all assets, all exchanges, signal analysis

funding.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full Instagram profile by username — bio, follower and following counts, posts count, verified and business account flags, category, contact email, external and bio links, profile picture, plus the fi

instagram.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full LatAm economic report — currencies, Argentina dolar blue, commodities, AI narrative

latam.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full liquidation report — all assets, long/short breakdown, hot zones

liq.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full OI report — all assets, all exchanges, 5-min delta

oi.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full PII/token/tenant scrub + report (0.03 USDC Base). Free dirty→clean demo: GET /v0/sample-scrub then POST {text|markdown}.

x402.devvizion.com

~$0.03 USDC per call · Seed (curated, not yet probed)

Full profile: bio, counts, banner, pinned tweet and a photo rail. Example: GET /api/jack/profile

readx.sh

Priced per call (estimate pending) · Seed (curated, not yet probed)

Full supply chain report — shipping rates, BLS PPI, NY Fed GSCPI, AI summary

supply.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Generate a captioned meme image. Pay per request in USDC on Base mainnet.

memegeneratorx402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Generate a QR code from text, a URL, wallet address, or payment URI as PNG base64 or inline SVG.

supported-rely-thee-portion.trycloudflare.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Generate an image from text in under 5 seconds. Four style tiers backed by curated $0.01 Venice models: 'fast' (z-image-turbo, default), 'creative' (chroma), 'anime' (wai-Illustrious), 'sd35' (venice-

x402.agentutility.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Generative Language API (Gemini)

solana-foundation

~$0 USDC per call · Seed (curated, not yet probed)

Geo-located DNS resolution — resolve hostnames from specific countries to see how CDNs, geo-blocking, and DNS-based routing differ by region.

geodns.iwsolutions.ca

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get a client token for direct upload to Vercel Blob

stablestudio.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get a client token for direct upload to Vercel Blob

stablestudio.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get a Firebase ID token for authenticating with the callable APIs

laso.finance

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get a random fortune via x402 payment on Base mainnet.

ladyfortunalx402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get Address Current Balance Data

api.nansen.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get Amazon product reviews by ASIN or URL: review text, star rating, title, author, date, verified-purchase and Vine flags, helpful votes and variant, plus the product star-rating breakdown. Async: a

api.cn402.com

~$0.03 USDC per call · Seed (curated, not yet probed)

Get Arkham token balances for an address. $0.20 per call.

api.arkm.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get human-readable interpretation, metadata, and balance changes for a specific transaction.

public.zapper.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get one piece of thoughtful life advice, paid per request over x402.

x402lifeadvice.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get OpenAI-compatible inference from many models at market prices via Surplus Intelligence.

api.surplusintelligence.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get the current flight-rules category (VFR, MVFR, IFR, or LIFR) for an airport by ICAO code, derived from the latest observed ceiling and visibility. Returns the category plus the underlying ceiling (

aviationapis.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Get today's curated Word of the Day (definition + part of speech).

x402wordoftheday.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

GFS+ECMWF ensemble temperature probability for NWS weather prediction markets

weather.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

GitHub bounty eligibility, reward provenance, and claimability preflight for one public issue before coding. Checks open, transferred, or deleted state; whether it is already assigned or claimed; expl

bountyverdict-agent-production.mimirslab.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API a hostname or IP address and it will try connecting to each port in your requested range. For every port that answers, it tells you whether it is open or blocked, which service is likely

port-scanner.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow

sitemap-url-extractor.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API a list of up to 10 web addresses and it will visit each one to tell you whether it is working, broken, or redirecting visitors somewhere else. You get back the exact status number (like

http-status-checker.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API a loan amount, an interest rate, and a repayment term, and it hands back the precise monthly payment plus a complete schedule showing — for every single month — how much goes to interest

mortgage-amortization.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical li

seo-data-extractor.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API any text or binary data and it instantly returns its fingerprint under whichever hash algorithms you choose — SHA-256, SHA-512, MD5, BLAKE2, CRC32, and more. It also signs data with a se

hash-hmac.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Give this API up to 10 domain names and it will tell you whether each one has a registration record on file with the official registry. It uses RDAP — the modern, structured replacement for WHOIS — so

domain-availability-checker.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in

asn-lookup.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Gives you official United States inflation numbers from the government's BLS Consumer Price Index. Ask for the newest reading, a specific month in the past, or a whole range of months, and get back cl

cpi-report-us.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Google Civic Information API

solana-foundation

~$0 USDC per call · Probed (measured by harness) · p95 94 ms · 0% success

Google Maps local business search — find places by query and map location (coordinates viewport), returning ratings, reviews, address, phone, website, hours & service options as clean JSON.

places.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Google SERP Search ($0.005/call): Google search results as clean JSON (title, URL, domain, snippet, rank) - one page per call. No API key needed.

x402.botsmith.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Google Trends related search queries for a keyword by country — top & rising terms for SEO keyword research, query expansion and content ideas.

google-trends.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

GPU compute spot prices — best deals across Vast.ai, RunPod, AWS, Lambda + market signal + AI brief

compute.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Graded x402 Gateway

gateway.leeworks.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

H1DR4 SKYNET investigation dossier. Paid per target. Public-interest investigation use only.

h1dr4.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Hero SKU: Pearl Research L1 telemetry (pearld RPC, community nodes, poll history). Free trial: GET /api/a2a/pearl/status

trabotpro.it

Priced per call (estimate pending) · Seed (curated, not yet probed)

Hibra AI Swap — best route on Base network

www.hibra.app

~$0.1 USDC per call · Seed (curated, not yet probed)

Historical hourly AI intelligence digests (1-24 hours lookback). Track how AI agent sentiment, topics, and narratives evolve over time. Each digest contains full analysis of that hour's agent activity

api.moltalyzer.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Hotel search — find hotels & vacation rentals anywhere by destination with live nightly rates, star class, guest ratings, amenities, photos & coordinates as clean JSON.

hotels.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

How much of an ERC-20 token a spender is approved to move from an owner's wallet, via allowance, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. The approval read every DeFi, swap and trad

x402-agent-store.rileycraig14.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

How we built JournoBot, the world's first decentralized newsroom agent

app.distro.media

Priced per call (estimate pending) · Seed (curated, not yet probed)

Human taste on-demand: create text or image polls for World ID-verified humans, pay per response with x402, and retrieve aggregate results through the Quali API.

www.getquali.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Human verification for AI agents — proof of humanity, sybil resistance, and 'is this wallet a real person' answers in one paid call. Returns two ZK-style outputs about any EVM wallet: (1) total humani

human.twin3.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Hyrule Cloud is pay-per-use infrastructure for AI agents on AS215932: IPv6-native compute, outbound requests over Direct, Tor, I2P, or Yggdrasil, BGP/routing intelligence, IP/ASN intelligence, DNS dia

cloud.hyrule.host

Priced per call (estimate pending) · Seed (curated, not yet probed)

Industrial metals prices with momentum signals, category analysis, and AI brief

metals.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Insider trades — SEC Form 4 buys and sells by officers and directors for any ticker

insider.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Inspect a public JSON, RSS, or Atom URL, detect its record structure, and return a normalizer-verified FreshDelta monitoring configuration with stable IDs, selected fields, confidence, and warnings.

delta.rursus.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one

weather.hugen.tokyo

Priced per call (estimate pending) · Seed (curated, not yet probed)

invinoveritas /signals/full — the live Hyperliquid perps read our own bot enters on, recomputable per coin from the raw metrics we return (funding + 24h delta,

api.babyblueviper.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents.

x402-data-api.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Is this salary at or above the statutory minimum wage? Verdict + margin + instrument

latamref.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Is this transaction safe to sign? Before signing on Base, know what it actually does: classify swap, approval, transfer or contract-call intent, simulate it, estimate gas, see which balances and allow

www.tereno.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Itemized fee breakdown and net P&L for any arbitrage trade — fees, slippage and gas. For arbitrage and trading agents.

arbipulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

IXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain

api-v2.ixs.finance

Priced per call (estimate pending) · Seed (curated, not yet probed)

IXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain

api-dev-v2.ixs.finance

Priced per call (estimate pending) · Seed (curated, not yet probed)

Japanese dream-interpretation agent API. Returns a Gemini-generated full interpretation from madoromi's curated dream-motif knowledge base (result schema agent-dream-insight.full.v1). Japanese output

madoromi.fun

Priced per call (estimate pending) · Seed (curated, not yet probed)

JEONJANG Korea Automotive Electronics Intel

jeonjang.kr

~$0.12 USDC per call · Seed (curated, not yet probed)

jsonguard

jsonguard.leeworks.dev

~$0.01 USDC per call · Seed (curated, not yet probed)

Key financials for any US-listed company by ticker, straight from SEC EDGAR XBRL filings: latest annual revenue, gross profit, operating and net income, total assets, liabilities, stockholders equity,

toolcall.click

Priced per call (estimate pending) · Seed (curated, not yet probed)

Knowledge Graph Search API

solana-foundation

~$0 USDC per call · Probed (measured by harness) · p95 66 ms · 0% success

Korean exchange prices (Upbit, Bithumb) for a single token in KRW

api.printmoneylab.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Large on-chain transaction monitor — whale movements on Base and Ethereum with AI pattern analysis

whale.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

LastLook Data — current price, 24h change, market cap, and volume for any supported cryptocurrency. Use ?coin=BTC|ETH|SOL|BNB|XRP|ADA|AVAX|DOGE|LINK|DOT|etc. Source: CoinGecko.

api.lastlookdata.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, DeFi, regulation, market sentiment) or pull the live feed, with full article text across 1

news.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one

crypto.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest Ethereum block height - current chain tip via eth_blockNumber

api.onesource.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest live metrics including market cap and enterprise value.

stablefinance.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest news for any US stock — top 10 articles from the last 7 days, with headline, summary, source, and URL. $0.005 USDC per call.

api.tickersfeed.net

~$0.003 USDC per call · Seed (curated, not yet probed)

Latest observed weather signal for one city — a single-signal SPOT snapshot (like a market-data quote). Flat $0.01, payable by a STOCK x402 client (no binding nonce). Never returns history or more tha

api.isocast.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest releases feed for researcher and journalist agents. Returns the newest FOIA releases, declassified documents, and court rulings governments and agencies have just made public globally.

truthpulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and ret

edgar.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Latest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares traded), trades, and price change.

api.stocktrends.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Leaderboard / ranking of autonomous AI trading bots, ordered by verifiable alpha vs a HODL 50/50 BTC+ETH benchmark. Each bot stakes USDC and pre-commits its strategy on-chain, so its track record and

api.stakedbots.com

~$0.02 USDC per call · Seed (curated, not yet probed)

Legal entity reference data from the GLEIF LEI golden copy (updated daily, CC0). Direct lookup: ?lei=529900FCMZ4LKXFD0R69. Search: ?name=airbus&country=FR&limit=5. Each result: lei, legal_name, entity

data.greeneris.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Lightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metadata extraction, cryptographic hashing, JSON validation, scheduled webhooks, and exotic end

tools.bip-rep.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

LinkedIn people, companies, posts, job listings, people search.

hirescrape.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Liquidity Volatility Watchlist by SourceStrand Crypto Workbench Pack. Precomputed crypto liquidity, volatility, data-quality, review-priority, lineage, and limitations for AI agent triage.

api.sourcestrand.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

List all 98 countries covered by the GlobalRules country-facts API, returned as ISO 3166-1 alpha-2 codes with country names. Use this endpoint first to discover which countries you can query for pract

globalrules-api.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

List all available FX symbols with their current quality state and source count. AI agent API for discovering available instruments before subscribing to tick data. Accepts USDC payments on Base and S

tick.hugen.tokyo

Priced per call (estimate pending) · Seed (curated, not yet probed)

Live grid carbon intensity, deterministic. Answers "how clean is the grid right now", "gCO2 per kWh in Germany", "cleanest hour to run a job today". Current intensity + forward curve (to 48h) + cleane

gridpulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Live staking yields with liquid staking, liquid restaking (ether.fi/Renzo/Kelp), and best_strategy recommendation. ETH, SOL, ATOM, ADA, DOT, AVAX, MATIC. $0.05/report via x402 on Base.

stake.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Live universal sky snapshot, no inputs: geocentric ecliptic longitudes for 13 bodies (Sun through Pluto, Chiron, lunar nodes) with zodiac sign/degree and 64-gate wheel placements, current moon phase a

mysticapi.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Live US mortgage and macro rates from the Federal Reserve. Returns 30-year and 15-year fixed mortgage rates, prime rate, fed funds rate, and CPI year-over-year. Sourced from FRED (Freddie Mac PMMS ser

jtifhcvbgxqwlywugvjv.supabase.co

Priced per call (estimate pending) · Seed (curated, not yet probed)

Live web search: ranked results (title, URL, snippet, age) from an independent search index as clean JSON - fresh pages your model's training cutoff has never seen. Optional freshness filter (pd/pw/pm

agent402.tools

Priced per call (estimate pending) · Seed (curated, not yet probed)

LLM inference API for AI agents: OpenAI-compatible chat completions paid per request in USDC on Base. No account or API key. Summarize, classify, extract, translate, generate and chat with gpt-5.4-nan

agent-production-1daa.up.railway.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Look up a country by ISO-2 code. Returns ISO codes, official name, capital, region, subregion, and calling codes.

api.certaindata.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Look up an ENS name or an Ethereum address and get back the matching one, automatically figuring out which direction you need.

ens-resolver.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Look up any Legal Entity Identifier (LEI) for company information lookup and counterparty / know-your-business (KYB) identity against the official GLEIF global registry — returns legal name, status, j

x402-endpoints.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Low-cost gateway health probe for real x402 settlement checks

x402.clashofcoins.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

LST peg health for JitoSOL and INF on Solana. Includes market vs redemption basis, 7d trend, Meteora pool stats, and Kamino borrow rates.

lst-health.naber-research.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

M2M100 machine translation — one x402 payment on embed.gedx402.com. POST { text, source_lang, target_lang } → { translated_text }; wire settlement USDC per request (see npm run pricing:report) worst-c

embed.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Macro snapshot — SPX, VIX, DXY, gold, BTC/ETH marks, Fear & Greed, Treasury yields, central-bank calendar

conc-exe.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Managed RAG session — one x402 POST creates managed RAG instance plus prepaid index/query credits. $0.620 USDC per request.

rag.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Market Value to Realized Value Ratio (MVRV) — Market Value to Realized Value (MVRV) is the ratio between market cap and realized cap. Data by Glassnode.

x402.glassnode.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

MIDAX402

midax402.com

~$0.03 USDC per call · Seed (curated, not yet probed)

MiroShark: run a 25-agent social-media simulation across Twitter, Reddit, and Polymarket over 10 rounds from a single prompt, URL, or article, then read a synthesized markdown report with belief drift

x402.miroshark.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

MOBILITYCHAIN Korea Mobility Supply-Chain Intel

mobilitychain.kr

~$0.137 USDC per call · Seed (curated, not yet probed)

Moment Essentials: deterministic apparent tropical ephemeris for one exact UTC instant—10 bodies, signs, motion, lunar phase, major aspects, provenance, and audited error bounds.

ephemeris.561.group

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche…). One x402 call returns slow/standard/fast EIP-1559 tiers as DROP-IN maxFeePerG

evm-gas.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-indicator technical analysis (SMA/EMA crosses, Bollinger, RSI, candlestick patterns, support/resistance, trendlines, experimental Elliott Wave) for any crypto pair.

x402.tradesnack.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-model chat completions. POST messages[] and set model to any LLM id from GET /v1/models; dynamic USDC pricing scales with model and token usage. Hero: GET /heroes/chat-completions.

chat.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-source AI Earth intelligence via DeepSeek. Accepts any natural language question about Earth — weather, air quality, marine conditions, earthquakes, volcanoes, species, seasons, climate, polar i

earth.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-source AI entertainment reasoning via DeepSeek. Accepts any natural language question about movies, TV, music, games, or events.

entertainment.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-source AI space reasoning via DeepSeek. Accepts any natural language question about celestial events, planets, moons, asteroids, comets, meteor showers, eclipses, satellites, ISS, rocket launche

space.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-source marine intelligence via DeepSeek — wave conditions, port info, vessel types, maritime safety.

marine.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Multi-timeframe analysis — all 4 timeframes (15m, 1h, 4h, 1d) with confluence score and AI summary

ta.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Name in, official IDs out. Give it a company or crypto name or ticker ("Apple", "ETH", "Stripe") and get the verified IDs that identify it everywhere: SEC CIK + ticker, GLEIF LEI, Wikidata QID, CoinGe

entityresolver.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Nearby subway stations with real-time train arrivals

transit402.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Need verified company data? One $0.95 dossier for AI agents: firmographics + SEC + domain trust + per-field source trail. KYC/KYB due diligence by domain. Ed25519-attested, degrades per-section when s

lionx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Neutral, Ed25519-signed channel-coupling attestation for an AI agent (Paper 207): POST a trace of {Y,M,D,context} turns, get back I(C;D)/I(C;M) and the reasoning-channel switch signature, with sha256(

scry.moreright.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

New token launch scanner — Base and EVM chains, real-time pool data

launches.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Curre

sandbox.node4all.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Normalized NHTSA vPIC VIN decode (?vin=) — make/model/year/engine/body/… with fetch provenance, plus ORIGINAL factory new-vehicle warranty terms (basic/powertrain/corrosion/roadside/EV battery) keyed

api.vindexapi.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Nouveaux endpoints x402 et variations de volume d'appels depuis le scan précédent (dédoublonné cross-source).

x402.servicesmax.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Nyne AI

paysponge

~$0 USDC per call · Seed (curated, not yet probed)

Official USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil).

brasil-dados-api.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Offline phone string normalization using local libphonenumber metadata.

asahi-1.tail779e35.ts.net

Priced per call (estimate pending) · Seed (curated, not yet probed)

On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum

chainscout.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

On-chain trust/reputation score for a Base agent wallet

x402.cheetahsecurity.de

Priced per call (estimate pending) · Seed (curated, not yet probed)

On-chain wallet snapshot on Base: native ETH and tracked ERC-20 token balances (USDC, WETH) plus account flags (contract status, transaction count) and derived metrics (wallet type, activity tier, gas

orcpin.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

api.loyalspark.online

~$0.001 USDC per call · Seed (curated, not yet probed)

ONE call, the full agent-side invoicing file for a French company (September 2026 e-invoicing mandate): legal identity & obligation dates, the computed intra-EU VAT number verified LIVE against VIES,

api.sirenic.eu

Priced per call (estimate pending) · Seed (curated, not yet probed)

One-cent Base Sepolia x402 demo with Bazaar discovery and a durable operational receipt.

preview.agenticinsights.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

OnRamperX is a non-custodial value router for agents and humans: fiat<->crypto and cross-chain via one quote interface (Coinbase Onramp v2, Relay, x402). This endpoint returns the router's live capabi

router.mudko.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

OpenAI-compatible LLM inference and chat completions via discounted Venice API credits. Pay USDC to receive a live Venice.ai API key for /api/v1 models, chat, images, audio, video, and embeddings. Sam

cheaptokens.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

OptimAI Search: an agent-ready decentralized search API powered by OptimAI Network nodes. Ask a natural-language question and get real-time, citation-backed search results across web, social, and cryp

api-onchain.optimai.network

Priced per call (estimate pending) · Seed (curated, not yet probed)

Options flow intelligence — unusual activity put/call ratios large block trades

options.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

OT-contextualised CVE triage for ICS/SCADA. Pass ?id=CVE-XXXX-XXXX. Returns OT-adjusted severity, cyber-physical impact, patch feasibility, CISA KEV status, and prioritised action. DeepSeek-enriched w

ot-intel-api.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paginated list of merchants (top recipients by volume)

www.x402scan.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when

api.signalis.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid ($0.01 USDC via x402). Most recent Polymarket feed item — mover, whale entry (with calibration), or predetermined signal. Same shape as /v1/signal without ?index. Free index poll: GET /v1/index;

api.orcatrace.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid ($0.01 USDC via x402). Returns the top 20 active opportunity cards by score as TEASERS — { id, slug, title, category, score, signalCount, lastSeen } only. No evidence and no productAngle (buy GET

api.demandex.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid ($0.01 USDC via x402). Top trending GitHub repos from the latest daily scan, sorted by stars — description, language, topics, license, forks, author followers, and README excerpt. Filterable by p

api.gitbeacon.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid book chapter (x402): Automate the Boring Stuff with Python: What Is Programming. Unit of a larger practical-skills library; free catalog at /library/discovery.json. Book slug: automatetheboringst

preppers-paradise.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.

ip402.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid JSON for stock-picker calls from financial newsletters and investing articles. Query params: optional `date=YYYY-MM-DD` for one UTC effective day, optional `period=latest` (same as default), opti

dripstack.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid liveness probe for the MimirAPI counter. Returns pong, the SKU id, and a server timestamp. One tenth of a cent buys a complete challenge, sign, settle, serve round trip — the cheapest possible pr

mimirapi.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid webhook/API execution for autonomous agents. Executes one public HTTPS action after x402 payment, applies retries and idempotency, then returns a signed receipt with request hash, response hash,

action402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid x402 API for AI agents that audits HTTP security headers, HSTS, Content-Security-Policy, X-Frame-Options, Referrer-Policy, Permissions-Policy and web security scan findings for a public URL.

api.x402dataapi.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Paid x402 passport endpoint

api.x402passport.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Parsed, taxonomy-classified SEC/EDGAR (US) announcements for one ticker (JSON). Identical schema across all supported markets.

agentstack-research-3bnlllaboa-ts.a.run.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay $0.001 USDC to access: HyperNatt BTC liquidation radar — raw microstructure snapshot: magnet score, OI, long/short ratio, liquidation clusters above/below, real liquidations 1h/24h (read-only)

hypernatt.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.

riddlex402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay a tiny amount of USDC and receive one delightfully useless fact.

x402uselessfacts.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay for a lighthearted developer roast generated on-demand.

roastx402endpoint.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.

api.nativebtc.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay USDC on Base; the router pays the target Kaspa x402 service in KAS and returns its result + a settlement receipt. Price = Kaspa cost × live FX + margin.

router.kaspa-402.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay-per-call IP lookup and risk intelligence API. Send an IPv4 or IPv6 address and receive JSON with risk score, risk label, ASN, ISP, organization, geolocation, reverse DNS, hosting/proxy/VPN/Tor sig

api.ipintel.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay-per-joke vending machine: send USDC, get a fresh Claude-generated joke. Optional "theme" picks the topic.

www.x402joker.com

~$0.01 USDC per call · Seed (curated, not yet probed)

Pay-per-read pieces by independent publishers. Pay the x402 challenge to receive the full text JSON; the 402 body carries a free preview. Browse every piece: https://tenjin.blog/.well-known/x402

tenjin.blog

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pay-per-scan AI agent-readability scan. POST { "url": "https://…" } with an X-PAYMENT header to run a scan with no account or subscription. Two tiers: $0.02 (25 pages) and $0.25 (250 pages), USDC on B

agent-ready.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Payment for Quicknode RPC access. Options: per-request ($0.001/request), nanopayment ($0.0001/request via Circle Gateway), or credit drawdown with SIWX authentication.

x402.quicknode.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

paypi — Solana intelligence for AI agents

pay.ansht.tech

~$0.005 USDC per call · Seed (curated, not yet probed)

PDL Company Enrich - Enrich a company record with firmographics, industry codes, funding, and social profiles. Supports lookup by name, website, ticker, LinkedIn, or PDL ID.

stablepeopledata.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Per-asset snapshot or daily series — composite score, rank, recent returns, realised volatility, Sharpe ratios, plus macro regime with confidence. The 200+ asset master ranking feed for portfolio cons

cryptyx.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Per-vault RWA risk profile — admin/freeze control + exit-liquidity

rwa.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Perplexity AI API

paysponge

~$0.01 USDC per call · Seed (curated, not yet probed)

Phi Longevity PRISM — Full Report

philongevity.com

~$4.99 USDC per call · Seed (curated, not yet probed)

Places API (New)

solana-foundation

~$0.001 USDC per call · Seed (curated, not yet probed)

Plain-English decoder for onchain finance, blockchain and regulatory terminology. For research and financial agents.

onchainpulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pollable tape of follow/unfollow transitions by Robinhood Chain principal accounts on X — each followed handle crossed with its measured caller record

api.robinx.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Polymarket multi-asset panel snapshot

api.romny.dpdns.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Portfolio risk analysis — concentration volatility correlation across holdings

portfolio.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

POST /api/scan — agent-readiness scan for a domain (~$0.01 USDC per call)

www.getbags.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

POST /company/base — company enrichment, base tier, no PII. Body: at least one of legion_id | domain | name | linkedin_id | social_url | ticker_symbol. Optional refinement: industry. Optional: min_con

agents.datalegion.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Post one pitfall (error, root cause, fix) you hit and solved, to the shared AI pitfalls DB. Reading is free: search at GET /?q= or MCP search_pitfalls.

pitfalls.doggo-company.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

POST-compatible alias for agent registries; returns the same timestamped priority-fee quantiles as GET.

api.utilia.ink

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pre-execution safety oracle for agent actions: submit the tool call you are about to run (shell, http, sql, file, code, env) plus your stated intent, and get a machine-enforceable verdict before you e

paygent.obsmetrics.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pre-payment guard for x402 agents: free POST /v1/intel/preflight before spending, paid signed V6 trust receipt after. Evaluate any counterparty BEFORE paying — 0.05 USDC buys the proof (Solana mainnet

intel.twzrd.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Pre-payment risk and usefulness check for AI agents deciding whether to pay an x402 endpoint.

agent-paycheck.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Predict the future market value of any collectible trading card with a conformal-calibrated risk forecast (default): regime-aware split-conformal bands fit on real holdout residuals, returning calibra

oracle.the-undesirables.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Premium multi-source aviation intelligence: ask natural-language questions about flights, aviation weather (METAR/TAF), jet streams, and airports. Returns a reasoned answer by synthesising multiple li

aviation.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Premium multi-source intelligence: ask natural-language questions about weather, earthquakes, volcanoes, or natural events. Queries multiple weather models in parallel and returns the fastest result w

weather.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Preview jobs by filters (step 1). Call before job-collect. Page 1–5, 20/page, $0.10/page. Returns id, title, location, company_name, created, _score; pagination; next.collect when results exist. No de

stablejobs.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Purch

purch

~$0.01 USDC per call · Seed (curated, not yet probed)

Quality score for any x402 service, earned by real paid probes with on-chain receipts: composite 0-100, component breakdown (payment settlement, schema conformance, ground-truth accuracy, LLM-judged q

assay.nominal-labs.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Queries target URL headers to score security configurations (HSTS, CSP, X-Frame-Options).

codepulse-api.hahavoid0.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Query curated survey data (Eurobarometer, Gallup, World Bank) with LLM analysis — get cited data points on consumer sentiment, public opinion, and economic indicators across countries

quickpoll.x402.press

Priced per call (estimate pending) · Seed (curated, not yet probed)

Query Polymarket markets with filtering, sorting, and pagination

blockrun.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Quick ZK Auth v1.0.1 — Semaphore ZK wallet ownership on Base plus USDC balance attestation at snapshot block (not ZK-hidden balance in v1). ERC-8004 bundles with x402 payment binding.

zk.quickai.build

Priced per call (estimate pending) · Seed (curated, not yet probed)

QuokkaPix official browser-agent batch/scenario unlock. Images stay local in the user's browser.

quokkapix.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Radar of the freshest Base token launches (newest DEX pools), lightly pre-screened by liquidity/age/flow with quickFlags for obvious junk. Top-of-funnel discovery for trading agents — feeds token-risk

gate402.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ranked Polymarket market-flow screener with factual concentration and liquidity-compatibility fields for the observed window.

api.polym.uk

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ranked verified providers for a task (smart router)

agent-trust-layer.agent-trust-layer.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Ranked, fee-netted arbitrage routes into a target token on Base. For a USD budget we price the REAL executable swap (Coinbase CDP Trade API, no liquidity reserved) from every liquid input (USDC = the

ozmium.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Raw market trades over a time window — the live hot tier (~24h) plus S3 read-through for older history (archive from 2025-05-25), merged. Each row mirrors HL's WsTrade verbatim, including the buyer/se

api.hyperextend.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Real-time AI/tech/startup news with sentiment scoring and an overall market pulse — a recurring feed for research and trading agents

judicious-earnest-vaporware.replit.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Real-time at-risk DeFi borrowers across Aave V3, Morpho, Comet, Euler V2, Fluid, Moonwell, Spark on 11 EVM chains. Returns health factor, collateral, debt, and protocol. Updated every 5 minutes from t

liquita-x402-edge.liquita.workers.dev

~$0.001 USDC per call · Seed (curated, not yet probed)

Real-time Bitcoin price in USD, aggregated from 9 exchanges including Binance, Coinbase and Kraken — Ed25519 signed attestation

api.myceliasignal.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Real-time crypto Fear & Greed index (0-100) with classification and history. Market-sentiment signal for allocation agents. Free source, deterministic. $0.005 USDC via x402 on Base. SYNTHORA. First 3

fear-greed.hergertsynthora.com

~$0.005 USDC per call · Seed (curated, not yet probed)

Real-time crypto market news with sentiment analysis and top headlines ranked by importance.

api.aidress.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Real-time crypto market news with sentiment analysis and top headlines ranked by importance.

x402.ottoai.services

Priced per call (estimate pending) · Seed (curated, not yet probed)

Real-time crypto news headlines with sentiment, ranked by importance. Aggregates keyless RSS feeds (CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, Bitcoin Magazine) into deduplicated, freshness-and-so

cryptonews.hergertsynthora.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Real-time geopolitical risk signal — base score + live news sentiment for any country or region

geo.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Real-time global crypto stats: total market cap, 24h volume, BTC/ETH dominance, active coins. Macro context for portfolio agents. Free source. $0.005 USDC via x402 on Base. SYNTHORA. First 3 calls FRE

market-dominance.hergertsynthora.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Real-time SOL/USD price from Pyth Network oracle with confidence interval. Sub-second freshness.

api.losbeto.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Recompete Radar

recompete.melchiorlabs.com

~$0.03 USDC per call · Seed (curated, not yet probed)

Reddit search scraper — keyword-search all of Reddit, or scope to one subreddit, for AI agents. Find posts matching any query, sorted by relevance, top, new, hot, or comments, with an optional time wi

reddit.apitoll.cloud

Priced per call (estimate pending) · Seed (curated, not yet probed)

Register as a participant on the402 platform

api.the402.ai

~$0.01 USDC per call · Seed (curated, not yet probed)

Regulatory impact brief for one sector: fresh rulemaking signals, severity, agency context, and action read

agenttoll.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Renders a webpage exactly as a real browser would, including all its scripts and dynamic content, then takes a picture of it. You can capture just the visible area or the whole scrollable page, choose

screenshots.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

RentCast API

paysponge

~$0.01 USDC per call · Seed (curated, not yet probed)

Residential proxy fetch (up to 2MB). Returns HTTP 200 with the target body; read X-Target-Status for the origin status. Billed for the forwarded request, not for a 2xx origin response. For larger resp

proxy.aproxpay.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Resize, fit, and transcode an image on images-api.gedx402.com. POST url or image_base64 with optional width, height, format (webp/jpeg/png/avif), and fit; returns base64 bytes. x402 settlement USDC pe

images-api.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Resolve a Japanese company to its official registry record: 13-digit corporate number (法人番号), canonical registered name, head-office address, entity type, and active/closed status. Query by name (fuzz

kaisha-api.hp-vladic.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Resolve ENS in either direction on Ethereum: an ENS name (vitalik.eth) → its 0x address, or a 0x address → its primary ENS name (plus avatar when set). The identity read wallet, payment, and UX agents

store.agentexchange.work

Priced per call (estimate pending) · Seed (curated, not yet probed)

Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and per-address chain scoping via interop addresses.

api.justaname.id

Priced per call (estimate pending) · Seed (curated, not yet probed)

Retrieve a seven-day USD-denominated report of Tether bridge flows on Ethereum. This is a bounded onchain stablecoin intelligence product backed by The Tie's data API.

x402-stablecoin-data-demo.ryan-ee4.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Retrieves claimable rewards context for a user across all networks and vaults, including reward details and claim URLs.

api.vaults.fyi

Priced per call (estimate pending) · Seed (curated, not yet probed)

Return the caller's account: identity, plan, entitlements, cost ceilings

api.cueframe.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns a conformally-calibrated range_80 price interval (~80% empirical coverage) plus current_price and upside_probability for BTC/ETH/SOL/XRP/ADA — use the range for planning instead of a single po

x402.coinopai.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns a hosted image URL from a FLUX Schnell text-to-image generation, plus the prompt, aspect ratio, and timestamp used — use it for fast drafts, mockups, and concept art.

imagegen.coinopai.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns a random interesting joke.

jokes-endpoint.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns a signed Ed25519 attestation, sha256 content hash, receipt token, and Merkle anchor status for one AI inference — proof a model produced a specific output, verifiable free by anyone.

notary.forgemesh.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns a single random fact as JSON in exchange for a micropayment.

randomfactsx402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns network-wide totals: total x402 events, service count, and a UA classification breakdown (agent vs browser vs bot). Use it to benchmark your service's agent-traffic share against the network.

ads.forgemesh.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns the most recent Base ERC-20s opened on Aerodrome that pass a basesafe safety check. Buyers specify min score, allowed recommendations, and a local liquidity floor. basescout pays basesafe unde

basescout-feed-x402.baseagentx402.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Returns trending tokens across the entire blockchain for a specified activity window and optional category. The size of the increase in active wallets over the activity window determines the token's t

api.slamai.dev

~$0.001 USDC per call · Seed (curated, not yet probed)

Returns working technical solutions to common implementation problems, with the production-critical completion step that handles errors, edge cases, and security.

voidfeed.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Rigoblock direct DeFi tool invocation. POST to /api/tools?toolName={name} with arguments object.

trader.rigoblock.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

ROBOTINSIGHT Korea Robotics Intel

robotinsight.kr

~$0.11 USDC per call · Seed (curated, not yet probed)

RobotsShop Trust Index — filtered ranked x402 endpoints (score, grade, spam, payTo integrity)

api.robotsshop.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Roll a dice with any number of faces. Specify faces via ?faces=N query parameter.

dicex402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Rubric Protocol — Post-Quantum AI Attestation

rubric-protocol.com

~$0.005 USDC per call · Seed (curated, not yet probed)

Run a fast live probe for one x402 endpoint and summarize challenge/payment-flow readiness.

trust402.vercel.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Run a fast, lightweight audit of a single public web page: performance signals (fetch timing, page weight), SEO signals, basic HTML accessibility signals, and security-header checks. Returns 0-100 cat

api.santosautomation.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Run one to five deterministic Vixi Labs developer guardrails in request order with one x402 payment.

vixilabs-x402-stage.valerioreden.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Run Python code in a secure sandbox environment using E2B. Supports Jupyter Notebook syntax and returns execution results and logs.

staging.toolkit.dev

~$0.05 USDC per call · Seed (curated, not yet probed)

Sanctions and watchlist screening across 11 authorities and 280,000+ parties in one call: OFAC SDN and Consolidated, EU, UK, UN, Trade.gov CSL, FBI Wanted, World Bank debarment, HHS OIG exclusions, SA

api.osf-master-server.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Scan submitted text for exposed secrets and return redacted output without exposing matched secret values.

x402-hono-api.inraby.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Scored intelligence on freshly-launched Base tokens: safety + momentum → composite score and an AVOID/WATCH/HOT decision per launch. One call returns a ranked list.

rugsense.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Scores how ready a website is for AI agents from artefacts the caller supplies (robots.txt, HTML, response headers, llms.txt, sitemap lastmod values). Reports what it could not measure instead of gues

api.ozdreamtools.de

Priced per call (estimate pending) · Seed (curated, not yet probed)

ScreenshotOne

paysponge

~$0.02 USDC per call · Seed (curated, not yet probed)

Search 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.

api.bitrefill.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search and compare products across Brazilian marketplaces (Mercado Livre, Shopee, AliExpress) in one call: normalized BRL prices in cents, canonical + affiliate links, free-shipping flag, rating and s

brmarket.thomenz.me

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search and segment active Brazilian companies by industry (CNAE, main OR secondary), location, size, age, share capital and name. Returns official registry data with business contact info. Ideal for B

brdata.thomenz.me

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search consumer-product safety notices by authority, jurisdiction, recall status, category, risk, hazard, manufacturer, date, or free text.

api.recallradar.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search current, source-linked ICBC credit and debit card offer facts. Returns official source URLs, enrollment requirements, validity dates, verification time and coverage. No recommendations or ranki

agent-offers-api-replitzip.replit.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search for DEX tokens by keyword (name, symbol, or contract address).

pro-api.coinmarketcap.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info.

stabletravel.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search Japan's official statistics catalog (e-Stat / 政府統計の総合窓口) by keyword — population, prices, trade, labor, and hundreds of other government survey series. Returns table metadata (id, title, publis

api.agentfeeds.jp

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search normalized clinical trials by registry, condition, intervention, sponsor, country, status, phase, study type, or free text.

api.trialbase-db.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search normalized vehicle variants by brand, model, model year, powertrain, market, or free text.

api.apex-db.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search onchain DEX pools and token, by contract address, name, or token symbol.

pro-api.coingecko.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search property records by location — attributes, tax history, ownership

stableestate.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags,

x402.twit.sh

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search Twitter/X tweets with structured filters. Returns up to 20 tweets per page with pagination cursor, full text, author profile and engagement metrics (likes, retweets, replies, quotes, views). Pa

twit.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Search US drug products by NDC, brand, generic name, ingredient, manufacturer, dosage form, route, source, or identifier.

api.rxatlas.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Seasonal home maintenance checklist for the current season (spring, summer, fall, winter): preventive home tasks, priorities, costs, and a supplies/tools list. For homeowner and DIY agents worldwide.

homepulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

SEC EDGAR filings for any US-listed company — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and more. Ticker lookup with direct sec.gov source URLs and filing dates. All US-listed

api.omninexu.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Second Opinion

secondopinionx402.com

~$0.03 USDC per call · Seed (curated, not yet probed)

Seedance 2.0 — parametric text-to-video: choose duration (4-15s), resolution (480p/720p/1080p), ratio, seed, audio. Price scales with duration × resolution.

api.x402video.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Semagram

semagram.io

~$0.01 USDC per call · Seed (curated, not yet probed)

Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-ne

domain-age-checker.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Send a list of texts — website addresses, phone numbers, plain words, WiFi details, anything — and get back a ready-to-use QR code image for each one. Every QR code comes as a base64-encoded PNG you c

qr-code-generator.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Send a picture, either as a public web address or as base64-encoded image data, and get back the plain text found inside it.

ocr.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Send an HPKE-encrypted prompt to the Aubrai chat agent running inside an attested private enclave. Only the enclave can decrypt your message.

x402-api.aubr.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD

curl-http-request.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Send SMS notification for payment alerts.

gateway.spraay.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Send up to 10 domain names and get back every DNS record type (A, AAAA, MX, CNAME, TXT, NS, PTR, SOA, SRV, CAA, NAPTR, DS, TLSA) plus the full WHOIS registration profile (registrar, dates, contacts, s

dns-whois-lookup.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Sends a real request to any URL you provide, attaches an Origin header, and reads back all six standard cross-origin permission headers the server returns. Tells you whether cross-origin requests are

cors-header-checker.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whol

http-header-checker.underscoredone.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Set prototype tier ($0.10 USDC) — auto-detects subscribe/renew/upgrade

api.run402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Settle a real $1 USDC payment on Base mainnet and return an onchain receipt.

legalfournier.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Short-term price-movement forecast for any crypto token across 7 time horizons.

mcp.deep3.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Signed delivery receipts for agentic commerce: submit what a paid service returned (plus its x402 settlement receipt and advertised schema) and receive an offline-verifiable Ed25519 attestation bindin

groundcheck.seiche.info

Priced per call (estimate pending) · Seed (curated, not yet probed)

Skill Marketplace — list active skill listings with prices across all three.ws agents. Filter by skill name to find the cheapest provider for a given capability. Returns price atomics, chain, currency

three.ws

Priced per call (estimate pending) · Seed (curated, not yet probed)

Skim: JS-rendered reader — full headless browser render for SPAs and JS-gated pages.

skim402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

SLA Watchtower: signed uptime and price-honoring reports for x402 services, probed every 30 minutes. $0.05 USDC per report.

attester.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

smartmoney.market

smartmoney-market

~$0.01 USDC per call · Seed (curated, not yet probed)

Social Intel

socialintel

~$0.01 USDC per call · Seed (curated, not yet probed)

Sponge

paysponge.com

~$0.01 USDC per call · Seed (curated, not yet probed)

Starchild Relay — All-in-one reputable data source

community.iamstarchild.com

~$0.00001 USDC per call · Seed (curated, not yet probed)

Stock analysis — price fundamentals technical indicators for any ticker

equity.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when a macro agent or CFO needs

www.stratalize.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Structured varietal data and verifiable research provenance for 150+ honey varieties, including the obscure long tail foundation models get wrong. Every compositional datum resolves to a real, publish

api.melvea.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Submit an async browser job (screenshot, markdown, scrape, etc.). Returns job_id + poll_url; poll is free with token — no long x402 request hold. Integrators: POST /v1/firecrawl/crawl or /v1/firecrawl

jobs.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Summarize and compress text, Markdown, or JSON into a structured summary. Output as prose, bullets, headline, or TLDR, with optional exact target word count. Built for agent and document pipelines.

web-production-78e17.up.railway.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Syntalic

syntalic

~$0.01 USDC per call · Seed (curated, not yet probed)

Synthesize English voice reply — POST text; returns audio bytes billed by character count. Voice-agent output leg after chat/fast. Bundle: GET /v1/models?bundle=voice.

media.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native bal

onchain.hergertsynthora.com

~$0.001 USDC per call · Seed (curated, not yet probed)

SYNTHORA Open Interest Oracle: live perpetual futures open interest, funding rates, mark price, premium and crowded long/short signal for 230+ assets via Hyperliquid. Ed25519-signed. 0.001 USDC via x4

openinterest.hergertsynthora.com

~$0.001 USDC per call · Seed (curated, not yet probed)

Tabular time-series lookup across economic indicators (FRED, World Bank, UN Comtrade), crypto TVL, weather, and stock quotes -- by source + series_id, with an optional date range.

concordancehq.duckdns.org

Priced per call (estimate pending) · Seed (curated, not yet probed)

Tavily Search - advanced mode

x402.tavily.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Tavily web search — POST { query, max_results?: 5 } on search.gedx402.com; ranked results via Tavily API. $0.042 USDC per request. AM-winning shape at /v1/search. Agent search: tavily, web search, ser

search.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Telegram channel analytics and profile data: title, description, subscribers, category, country, language, links and verified flag. Vet a channel, enrich a dataset, or look up channel data in one call

api.telemost.io

Priced per call (estimate pending) · Seed (curated, not yet probed)

Test any x402 endpoint with a REAL signed payment from a fresh unfunded wallet — no funds can move. Returns the facilitator's verdict (healthy / broken / payment-ignored), decoded challenge, lint chec

imagcon.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Test endpoint for verifying x402 payment integration end to end. Returns a static greeting in the Agent Tollbooth standard response envelope. Not a data product — use it to smoke-test your x402 client

tollbooth-hello-testnet.sjwilliams8.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

The active deepnets watchlist - high-volume tokens that passed the safety screen, with current safety data.

api.deepnets.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

The county's current Neb. Rev. Stat. 77-1801 delinquent / tax-sale advertising list: parcels, balances due, and advertised years. The lead source for tax-lien and tax-deed investors. GET /v1/tax-sale-

buildscottsbluff.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent d

x402stock.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Token launch bundle and sniper detection on Base — flags coordinated bundle buys and snipers

bundle.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

token-risk

token-risk.com

~$0.01 USDC per call · Seed (curated, not yet probed)

Top crypto coins ranked by market cap — paginated market data (price, market-cap rank, symbol) in any currency, CoinGecko-sourced.

coingecko.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Top stables ranked by mcap with peg deviation (now/24h/7d) + stability score + risk

stable.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Total value locked (TVL) in US dollars for any DeFi protocol, such as aave, lido, uniswap or curve, sourced from DeFiLlama. Use this to gauge how large a protocol is, compare DeFi platforms against ea

prance-mounting-watch.ngrok-free.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Transcribe audio/video from URLs using OpenAI Whisper. Payment via USDC on base.

cnvrt.ing

~$0.025 USDC per call · Seed (curated, not yet probed)

Transcribe short audio fast: POST JSON with an audio_url (voicemail, call recording, voice memo, podcast clip — up to 15 min) and get Gemini-powered transcript JSON back with speaker-labeled, timestam

dicta-notes.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Trust boolean for any x402 payTo on Base: verdict (organic/concentrated/fragile/solo/opaque), settled revenue, buyer count, top-buyer dependency — from on-chain USDC settlement, facilitator-decoded. J

ylk.one

Priced per call (estimate pending) · Seed (curated, not yet probed)

Trust score (0-100, grade A-F) for any publicly listed x402 endpoint. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the e

x402.fuchss.app

Priced per call (estimate pending) · Seed (curated, not yet probed)

Turn ANY text into clean, schema-enforced JSON: pass text= plus the fields you want (fields=name,email,price,date — up to 10) and get exactly those keys back, guaranteed-valid JSON via Claude structur

402.com.tr

Priced per call (estimate pending) · Seed (curated, not yet probed)

UK HMO licence check by postcode and house number. Returns whether the property is a licensed House in Multiple Occupation.

hmo.payapi.market

Priced per call (estimate pending) · Seed (curated, not yet probed)

Upcoming SpaceX launches (next 5) with mission, pad, and T-0 details

agentdataapi.onrender.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

US consumer-demand signal (retail sales)

consumer.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions

grid.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US federal contract awards, SAM.gov opportunities, agency spend analysis, NAICS sector breakdown. $0.20/report via x402 on Base.

govedge.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US inventory & production cycle signal (bullwhip gauge)

cycle.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US labor-market signal (jobs, unemployment, wages, JOLTS)

labor.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US macro intelligence — Fed rate, CPI/Core PCE YoY, yield curve, M2 money supply, GDP, VIX, crypto Fear & Greed, AI macro regime narrative

macro.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US oil and gas — WTI Brent Henry Hub refined products basin production rig count

crownblock.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US real estate and mortgage — 30yr/15yr fixed rates, ARM, housing starts, permits, Case-Shiller HPI

realestate.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US trade-flow + tariff signal by commodity

trade.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

US weather forecast API: official National Weather Service forecast for any US lat/lon — next four periods (~48 hours, day/night): temperature, wind, short and detailed forecast text, plus resolved pl

gateway.stride20k.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Use this tool to audit if a website can be crawled, understood, and cited by LLMs like ChatGPT or Claude. Ideal for coding agents to automatically audit and test generated web apps for SEO, accessibil

ai.tureka.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Use when a Brazilian postal code needs to become a real address — filling a form, validating a delivery, completing a customer record. JSON body { cep } (8 digits). Returns street, complement, neighbo

tools.miniframe.com.br

Priced per call (estimate pending) · Seed (curated, not yet probed)

Utilia Solana Preflight

utilia.ink

~$0.002 USDC per call · Seed (curated, not yet probed)

Validate a JSON value against a JSON Schema and coerce common LLM-output mistakes (numbers as strings, stringified booleans, scalars where arrays are expected, missing defaults, extra properties). Ret

keyronne.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Validate a Turnstile bot-challenge widget token via siteverify on verify.gedx402.com. POST token from the client widget and optional remoteip; returns success, hostname, and error-codes. x402 settleme

verify.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

VAPE token_safety_check — Full GoPlus + DexScreener token safety scan with CertiK-style scoring. Real GoPlus/DexScreener data, no simulation.

vape-x402.vapex402.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Venice.ai — Private AI Inference

venice

~$5 USDC per call · Seed (curated, not yet probed)

Verifiable logged signal/post stats (?asset=BTC optional).

vedetta.dethboy.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.

api.anchor-x402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Verified work-email lookup for a LinkedIn profile

api.linkedpanda.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Verify a Brazilian investment fund by CNPJ against the official CVM registry: is it registered, is it operating, who is the manager (gestor) and administrator, its class and ANBIMA classification — pl

api.brazilayer.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

View component code after payment

x402.creative-tim.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

VpsAgent — rent disposable VPS compute via x402, no signup required. Two product lines: ephemeral sandboxes (1h / 6h / 24h, 1 vCPU / 1 GB, $0.50–$5) for code execution, CI runs, browser automation; pe

vps.phoneagent.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Vybe Solana Analytics API (x402)

vybenetwork

~$0.012 USDC per call · Seed (curated, not yet probed)

Wallet realized and unrealized PnL — per-token profit and loss and cost basis for any EVM address

pnl.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

WalletTriage — real-time wallet risk check: dangerous ERC20 approvals cross-referenced with a live exploit threat feed. Returns risk_score (0-100), risk_level and actionable findings.

api.wallettriage.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

WealthPulse — cross-asset portfolio risk analysis

wealth.lonestaroracle.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Weather for any coordinate. Current (default): temperature (C), relative humidity (%), wind speed, weather code — real-time. Historical: add start_date & end_date (YYYY-MM-DD, up to 92 days per call,

x402.shizu.me

Priced per call (estimate pending) · Seed (curated, not yet probed)

Weather forecast and air quality. Current conditions, a 16-day daily forecast, and air-quality (AQI, PM2.5, ozone) for any latitude and longitude.

api.kadec0.xyz

Priced per call (estimate pending) · Seed (curated, not yet probed)

Web Reader ($0.003/call): Fetch any public web page and return its main content as clean, boilerplate-free markdown (reader mode for agents). Handles redirects, strips nav/ads/scripts, reports title,

pmhxr44qn4qitobucm7ctgklbq0svqjb.lambda-url.ap-southeast-2.on.aws

Priced per call (estimate pending) · Seed (curated, not yet probed)

Web-content reader: fetch any http(s) URL and return clean readable text, title/description/canonical, and outbound links as JSON — the data an agent ingests on each step of a crawl or RAG loop. Input

x402.charliemorrison.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Web3 Autonomous Scraper

mohit07062003

~$0.005 USDC per call · Seed (curated, not yet probed)

WHOIS domain lookup — raw registry text with registrar, nameservers, lifecycle dates and status, plus the responding server. Use the RDAP endpoint when you need parsed structured data.

dns.use.x402atlas.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Why is my x402 service not listed in the Bazaar? Give us your endpoint URL; we fetch your 402 envelope, run the exact SDK validation and extraction functions the CDP facilitator runs, check catalog pr

x402-store.dgdb.workers.dev

Priced per call (estimate pending) · Seed (curated, not yet probed)

Will this business show up in the Google local pack? Local SEO punch list covering Google Business Profile optimization, review-generation strategy, citation-building priorities and a six-month rankin

marketpulse.theaslangroupllc.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

Wolfram Alpha

paysponge

~$0.01 USDC per call · Seed (curated, not yet probed)

Worldwide forward geocoding for agents. Convert an address, landmark, city, postcode, or place name into latitude and longitude with normalized address components and confidence metadata.

sat.ipintel.ai

Priced per call (estimate pending) · Seed (curated, not yet probed)

Write SQL on shared agent memory database. POST INSERT, UPDATE, DELETE, CREATE, DROP, ALTER, or REPLACE with optional params; UPDATE/DELETE require WHERE; changes capped at 100 rows. With valid sessio

db.gedx402.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

x402 client conformance — scam-resistance (entry). Opens a two-challenge test: pay a fair $0.10 control, refuse an over-priced $50 bait. Total $0.60.

api.402.coffee

Priced per call (estimate pending) · Seed (curated, not yet probed)

x402-preflight: confirm your wallet can transact, and see your balance, in one certified call. Pay $0.01 USDC on Base, get a signed on-chain-anchored receipt. The safe first transaction before you shi

kenoodl.com

Priced per call (estimate pending) · Seed (curated, not yet probed)

x402swag.com — swag store for AI agents. Full catalog (products, variants, USD prices, collections) plus the exact x402 buy flow, in one call.

x402swag.com

Priced per call (estimate pending) · Seed (curated, not yet probed)