the402 x402 endpoint directory

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 2026-08-15. We parse the payment challenge, we do not complete a payment.

EndpointStatusPriceNetworkSpecChecked
x402-mcp.onrender.com nyc property-check
Is this NYC multi-dwelling registered with HPD, and are there open Housing Maintenance Code violations? Query a house
answers 402 $0.01 base v2 GET 20h ago
x402-mcp.onrender.com mn property-check
Is this Minneapolis rental property licensed and in compliance? Query any street address in Minneapolis, Minnesota (He
answers 402 $0.01 base v2 GET 20h 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 20h ago
observer.137-184-67-179.sslip.io paid evidence-summary.json
Live Bitcoin BTC-USD market-regime and risk evidence for autonomous AI agents, algorithmic systems, portfolio monitors
answers 402 $0.01 base v2 GET 20h 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 20h ago
sftunes.com api tapes
SFtunes catalog for agents: index of public mixtapes and public Top 10 lists, or one item with liner notes and music-s
answers 402 $0.01 base v2 GET 20h ago
safetyincidents.org x402 severe-injuries
Federal OSHA Severe Injury Reports (hospitalizations, amputations, eye losses), newest first. Filter by state, NAICS s
answers 402 $0.01 base v2 GET 20h ago
api.romny.dpdns.org rules alerts
Latest Polymarket rules-scan alerts
answers 402 $0.01 base v2 GET 20h ago
thevaultreport.com comex deliveries
COMEX daily delivery notices: issues and stops with the house-vs-customer split, per CME product and contract month. R
answers 402 $0.01 base v2 GET 20h ago
getbags.app link pl-5f9ac407-7cb6-45b9-b4eb-8beb4f22aad3
Partner pricing catalog
answers 402 $0.01 base v2 GET 20h ago
concordancehq.duckdns.org tools search
Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers,
answers 402 $0.01 base v2 POST 20h ago
tools.miniframe.com.br pix brcode
Use when someone needs to receive money in Brazil — an invoice, a split bill, a donation, a checkout. Builds a Pix BR
answers 402 $0.01 base v2 POST 20h ago
api.basefeed.io base yields
Base Morpho Blue stablecoin yields
answers 402 $0.01 base v2 GET 20h ago
vedetta.dethboy.com v1 track-record
Verifiable call log: every signal this desk has published, timestamped and countable (?asset=BTC optional). Audit us f
answers 402 $0.01 base v2 GET 20h ago
coil.trade board leaders
Today's market leaders, ranked — which stocks are leading the tape right now? One read returns the top leadership name
answers 402 $0.01 base v2 GET 20h ago
hermesplant.com action-safety quick
AI agent action safety: one-cent deterministic preflight for every consequential agent command. Returns risk, matched
answers 402 $0.01 base v2 POST 20h ago
tools.miniframe.com.br cnpj
Use when you need a Brazilian company's official record from its CNPJ — checking a supplier is active, confirming a le
answers 402 $0.01 base v2 POST 20h ago
concordancehq.duckdns.org tools series
Tabular time-series lookup across economic indicators (FRED, World Bank, UN Comtrade), crypto TVL, weather, and stock
answers 402 $0.01 base v2 POST 20h ago
eltociear-skill-audit.hf.space search
What does the open web say about this query? Ranked title/url/snippet results for agents, served through an automatic
answers 402 $0.01 base v2 POST 20h ago
ens-resolver.underscoredone.com resolve
Look up an ENS name or an Ethereum address and get back the matching one, automatically figuring out which direction y
answers 402 $0.01 base v2 POST 20h ago
url-uptime-checker.underscoredone.com check
Checks whether a website or web address is currently reachable and reports how fast it responded.
answers 402 $0.01 base v2 POST 20h ago
asn-lookup.underscoredone.com lookup
Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of
answers 402 $0.01 base v2 POST 20h ago
base-gas-x402-production.up.railway.app gas compare
Live gas cost comparison across Base, OP Mainnet, Arbitrum One, and Ethereum in one call, ranked cheapest first.
answers 402 $0.01 base v2 GET 20h 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 20h ago
api.oblique.markets paid inference
Frontier-model call via ZenMux with no signup; pay per call (deepseek/deepseek-v4-flash)
answers 402 $0.01 base v2 POST 20h ago
coil.trade board sector
Every stock in one sector, scored — GET /api/board/sector?name=Energy (or ?etf=XLE) returns each member of that sector
answers 402 $0.01 base v2 GET 20h ago
coil.trade board sectors
Sector rotation scores — which sectors are strong right now? One read returns every S&P 500 sector ETF (XLK, XLF, XLV,
answers 402 $0.01 base v2 GET 20h ago
x402.dailyelo.com rpc health
Which Base public RPCs serve a stale chain tip. Every 30s we ask all major public RPCs for eth_blockNumber in parallel
answers 402 $0.01 base v2 GET 20h ago
agentres.dev discover restaurants
Restaurant recommendations from the Blackbird network (~2,000 curated restaurants, mostly NYC and San Francisco). Full
answers 402 $0.01 base v2 GET 20h ago
agentres.dev api wait-times
Live restaurant wait times from camera-based crowd data. One call lists every monitored location with its slug, open s
answers 402 $0.01 base v2 GET 20h ago
api.oblique.markets paid extract-json
Extract structured JSON from unstructured text against a caller-supplied JSON Schema — parse-validated with one automa
answers 402 $0.01 base v2 POST 20h ago
vaaya.ai modal sandbox-terminate
Modal — Terminate a running sandbox.
answers 402 $0.01 base v2 POST 20h ago
5-9-107-124.nip.io token-risk
Static on-chain token/contract risk scan (bytecode heuristics).
answers 402 $0.01 base v2 GET 20h ago
goldkey-edge-storefront.noah-ing.workers.dev v1 action-gate
$0.01 AI-agent tool-call preflight: return ALLOW, REVIEW, or BLOCK before an MCP/tool call, payment, fetch, message, w
answers 402 $0.01 base v2 POST 20h ago
api.clervo.dev sandbox execute
Bounded sandbox.run discovery challenge
answers 402 $0.01 base v2 POST 20h ago
app-production-cd86.up.railway.app scout find
Find the best x402 paid API for your need across the CDP Bazaar catalog: full-text search by keyword, filter by max pr
answers 402 $0.01 base v2 GET 20h ago
omniguchi.0000402.xyz wardrobe equip
Equip or clear an unlocked cosmetic on the verified payer's own creature.
answers 402 $0.01 base v2 POST 20h ago
mahastrategies.com compress evaluate
Compile 1-8 documents into a token-budgeted context pack, then measure exact retention of 1-32 caller-labelled evidenc
answers 402 $0.01 base v2 POST 20h ago
app.ravn.exchange x402 execute
RAVN cross-chain swap execution, incl. native Bitcoin as source or destination
answers 402 $0.01 base v2 POST 20h ago
api.oblique.markets paid settlement-verify
Real on-chain x402 settlement verification on Base mainnet: fetches the transaction receipt via JSON-RPC, decodes USDC
answers 402 $0.01 base v2 POST 20h ago
api.oblique.markets paid bazaar-listing-lint
Quality-score an x402 Bazaar listing (0-100): live SSRF-guarded probe of the resource for a valid 402 challenge with d
answers 402 $0.01 base v2 GET 20h ago
agente.revenuerecoveryai.app x402 evidence-crosscheck
Independent second opinion on an x402 resource. Compares what a seller declares publicly (Bazaar catalogue entry, its
answers 402 $0.01 base v2 POST 20h ago
agentreader.dev pdf
Extract the full text of a PDF from a URL. Returns plain text, page count and word count. Handles reports, papers and
answers 402 $0.01 base v2 GET 20h 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 20h ago
x402.agentutility.ai youtube-transcript
Fetch the transcript of any YouTube video. Pulls auto-generated or manual captions and returns full text plus per-segm
answers 402 $0.01 base v2 POST 20h ago
x402.ottoai.services web-answer
Quick web answer with citations (Exa upstream): ask one factual or current question and get a concise synthesized answ
answers 402 $0.01 base v2 GET 20h ago
chainsscope.duckdns.org tools ens-resolve
Turn a .eth name into an address, or an address into its primary .eth name -- one endpoint, auto-detects which directi
answers 402 $0.01 base v2 POST 20h ago
chainsscope.duckdns.org tools fee-estimate
Current network fee conditions -- gas price (ETH/Base/Arbitrum/Optimism/Polygon), sat/vB fee tiers (Bitcoin), or recen
answers 402 $0.01 base v2 POST 20h ago
fiatdock.com offramp session
Sell agent USDC to fiat in the owner bank account (non-custodial, via a licensed payment partner)
answers 402 $0.01 base v2 POST 20h ago
anywaypossible.com api verify
Web evidence and citation verification for AI agents. Prove a source is live and contains expected text or status befo
answers 402 $0.01 base v2 POST 20h ago
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