the402 x402 endpoint directory

MCP servers, called rather than listed · we called 16,923 of them · search their tools

Every x402 endpoint we can find, each one called to see what it actually answers and what it quotes. Other directories list what providers claim. This one reports what the endpoint did when we asked it, and says plainly where we could not tell.

Last verified 2026-10-07. We parse the payment challenge, we do not complete a payment.

EndpointStatusPriceNetworkSpecChecked
x402.ottoai.services token-score
Token score by contract address — one 0-100 composite of a Base token market structure from seven weighted factors: US
answers 402 $0.01 base v2 GET 31d ago
api.agentstools.dev treasury debt
US federal debt from the Treasury Debt to the Penny series, split into debt held by the public and intragovernmental h
answers 402 $0.01 base v2 GET 31d ago
api.agentstools.dev mining hashprice
Bitcoin mining hashprice: expected mining reward per petahash and per terahash per second per day, in BTC and USD, fus
answers 402 $0.01 base v2 GET 31d ago
api.agentstools.dev govcon awards
Search awarded US federal contracts and grants from USASpending.gov, filtered by award type, recipient, agency, NAICS,
answers 402 $0.01 base v2 GET 31d ago
api.agentstools.dev energy natural-gas
US natural gas data from the EIA: Henry Hub spot price (daily) and weekly working gas in underground storage (Bcf, Low
answers 402 $0.01 base v2 GET 31d ago
api.agentstools.dev energy petroleum
US petroleum prices and stocks from the EIA: retail gasoline and diesel by PADD region (weekly), WTI and Brent crude s
answers 402 $0.01 base v2 GET 31d ago
agent402.tools route execute
Describe a task in plain language (or name a tool slug) and the Smart Order Router resolves the best-matching tool acr
answers 402 $0.01 base v2 POST 31d ago
proxy.0000402.xyz fetch
Pay $0.01 USDC to make an outbound HTTP request through the proxy. Supports all standard HTTP methods, custom headers
answers 402 $0.01 base v2 POST 31d ago
api.relaystation.ai pdf ocr-searchable
$0.004/page. Add an invisible OCR text layer to a scanned PDF — looks identical, fully searchable. 1¢ x402 min; remain
answers 402 $0.01 base v2 POST 31d ago
api.relaystation.ai pdf from-office
$0.005/call. Convert Word, Excel, or PowerPoint to PDF via LibreOffice — layout preserved. 1¢ x402 min; remainder auto
answers 402 $0.01 base v2 POST 31d ago
api.relaystation.ai location geocode
$0.005/lookup. Geocode a free-text address to coordinates (AWS Location Service) — lat/lng plus normalized address. 1¢
answers 402 $0.01 base v2 POST 31d ago
api.relaystation.ai pdf ocr
$0.003/page. Extract text from a scanned PDF (Tesseract) — make paper searchable data. 1¢ x402 min; remainder auto-cre
answers 402 $0.01 base v2 POST 31d ago
api.nansen.ai prediction-market categories
Get Prediction Market Categories
answers 402 $0.01 base v2 POST 31d ago
ai-data-marketplace-1042299154756.us-central1.run.app v1 shopify_store_lookup
Search a live public Shopify storefront and return current public products, variants, prices, availability, images, an
answers 402 $0.01 base v2 GET 31d ago
ai-data-marketplace-1042299154756.us-central1.run.app v1 legal_entity_verify
Combine GLEIF legal-entity identity, official OFAC SDN screening, and optional SEC filing identity into one sourced co
answers 402 $0.01 base v2 GET 31d ago
ai-data-marketplace-1042299154756.us-central1.run.app v1 geocoding
Resolve a location or address query to current place candidates and coordinates through Open-Meteo.
answers 402 $0.01 base v2 GET 31d ago
ai-data-marketplace-1042299154756.us-central1.run.app v1 code_audit
Scan supplied code with transparent deterministic rules for common secret, injection, shell, weak-hash, and Solidity r
answers 402 $0.01 base v2 POST 31d ago
ai-data-marketplace-1042299154756.us-central1.run.app v1 fara_disclosures
Search the current roster of agents actively registered under the Foreign Agents Registration Act by name or state, di
answers 402 $0.01 base v2 GET 31d ago
agent402.tools api fed-funds
Current effective federal funds rate plus a trailing N-day series. Source: FRED DFF (Board of Governors). ?days=30 (1-
answers 402 $0.01 base v2 GET 31d ago
agent402.tools api treasury-avg-rates
Latest average interest rates the US Treasury is paying by security type (Bills, Notes, Bonds, TIPS, FRNs, marketable
answers 402 $0.01 base v2 GET 31d ago
agent402.tools api unemployment-rate
Latest US unemployment rate plus a trailing N-month series for trend. Source: FRED UNRATE (Bureau of Labor Statistics)
answers 402 $0.01 base v2 GET 31d ago
RelayStation OCR
Extracts text from an image using Tesseract in ten languages.
answers 402 $0.01 base v2 POST 31d ago
stabletravel.dev flights UA123
Get flight information by ident (designator, registration, or fa_flight_id)
answers 402 $0.01 base v2 GET 31d ago
x402-paid-service.iholt.workers.dev api execute
Discovery tier — generic paid API call
answers 402, partial $0.01 base v2 POST 31d ago
api.agentservices.to v1 search
AI-powered web search with structured results
answers 402 $0.01 base v2 GET 31d ago
hyperliquid-x402.rajdeep-dutta-in.workers.dev market
Hyperliquid perpetual market data for AI agents — returns mark price, oracle price, funding, open interest, and best b
answers 402 $0.01 base-sepolia v2 GET 31d ago
api.hergertsynthora.com v1 code-sandbox
Python code execution as a service for agents: send code, get stdout/stderr/exit code. Isolated, hard limits. $0.01 US
answers 402 $0.01 base v2 POST 31d ago
api.hergertsynthora.com v1 market-resolution
Canonical resolution status for one Polymarket market (market_slug or condition_id required): market state (active/res
answers 402 $0.01 base v2 POST 31d ago
api.hergertsynthora.com v1 github-repo-activity
SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issu
answers 402 $0.01 base v2 POST 31d ago
api.hergertsynthora.com v1 protocol-revenue-lite
SYNTHORA protocol-revenue-lite: Protocol Revenue Lite: live protocol REVENUE (24h/7d/30d + 1d/7d change) for any DefiL
answers 402 $0.01 base v2 POST 31d ago
api.relaystation.ai pdf extract-text
$0.002/page. Pull text and structure out of a PDF — clean input for LLMs and search. 1¢ x402 min; remainder auto-credi
answers 402 $0.01 base v2 POST 31d ago
api.relaystation.ai pdf split
$0.001/page. Split a PDF by page ranges or burst it into single pages. 1¢ x402 min; remainder auto-credits — relaystat
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai tavily extract
Tavily — extract clean page content (JS handled) from up to 5 URLs you already have, in one 1¢ call. Pass `urls` (arra
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai courtlistener dockets
Search federal court dockets via RECAP (CourtListener v4) — the litigation profile of any company: every case naming i
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai twocaptcha solve
2Captcha — submit a captcha task (reCAPTCHA, Turnstile, hCaptcha, image; ~0.3¢). Params: `task` object per 2Captcha cr
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai aviationstack flights
AviationStack — real-time flight status (~0.5¢). Query params like `flight_iata` (AA100), `dep_iata`, `arr_iata`, `air
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai parallel search
Parallel — AI-powered web search via x402 (1¢ flat).
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai theirstack tech-catalog
TheirStack — Search the catalog of tracked keywords: technologies AND buying-intent topics. The slug resolver for ever
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai apify tweets
Apify — Tweets by search term, handle, or conversation.
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai brave search
Brave — keyword web search over Brave's own independent index (not Google/Bing). Pass `q`; optional `count` (1-20), `o
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai crw map
CRW — Discover the URLs of a website without scraping content (sitemap + crawl fallback). Pass `url`; optional `maxDep
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai nyne person-enrich
Enrich OR reverse-lookup a person via Nyne — from ANY single identifier: `email` ("who owns this address?"), `phone` (
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai akta news
Entity-resolved, de-duped company/industry news with sentiment, AI summary, and tagged company mentions (~80% of noise
answers 402 $0.01 base v2 POST 31d ago
vaaya.ai scrapingant markdown
ScrapingAnt — Scrape a URL and return LLM-ready markdown (rendered in headless Chrome, then converted). Pass `url`; op
answers 402 $0.01 base v2 POST 31d ago
mizan-bazar.higgsfield.app pagella api.loyalspark.online
Mizan report card for api.loyalspark.online: liveness across surveys, latency, x402 conformance, door price vs catalog
answers 402 $0.01 base v2 GET 31d ago
trust-agent.io verify deep
Should you approve this contract? Everything in quick, plus static analysis of the bytecode: privileged functions (min
answers 402 $0.01 base v2 GET 31d ago
trust-agent.io verify batch
Screen up to 10 addresses in one call: OFAC sanctions check, trust score, risk band and recommendation for each. For v
answers 402 $0.01 base v2 POST 31d ago
tollbooth-fdic-verify.sjwilliams8.workers.dev verify
Before your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against
answers 402 $0.01 base v2 GET 31d ago
tollbooth-sanctions-screener.sjwilliams8.workers.dev screen
Before your agent onboards, pays, or contracts with a counterparty: screen the name against the U.S. Treasury OFAC san
answers 402 $0.01 base v2 POST 31d ago
rest.coincap.io asset_mcap_history bitcoin
Historical market-cap series for an asset slug (capped data points).
answers 402 $0.01 base v2 GET 31d ago
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