x402 sellers, page 96
5,109 sellers · measured by our own test calls. Open a row for its signed receipts.
| Service | Category | Status | Recent Checks OK | Response Time | Price Per Call | Last Checked |
|---|---|---|---|---|---|---|
| api.romny.dpdns.org Paid Polymarket panel/outcomes/edges/rules alerts and copy-trade monitored wallets, wallet profiles, and trad… | Finance/FX/Stocks | No Recent Successful Checks | – | 364 ms | n/a | 45 h ago |
| api.signalbrew.io Live crypto price quote: last, ask, bid, 24h change and volume for any symbol on Binance, Coinbase, Bitget, K… | Onchain/Crypto Data | No Recent Successful Checks | – | 19 ms | n/a | 45 h ago |
| api.signalnodus.ai Settle the 402 and the response body contains a reusable API key. Paying is the registration: no email, no CA… | Identity/Security Checks | No Recent Successful Checks | – | 66 ms | n/a | 45 h ago |
| api.speercyberdefense.com Cybersecurity micropayments API for AI agents — pay-per-call USDC on Base and Solana (x402). | Identity/Security Checks | No Recent Successful Checks | – | 46 ms | n/a | 45 h ago |
| api.swedata.org Live Swedish job listings from Arbetsförmedlingen via JobTech Dev. Search across Sweden's entire labour marke… | People/Company Enrich | No Recent Successful Checks | – | 45 ms | n/a | 45 h ago |
| api.the402.ai | Identity/Security Checks | No Recent Successful Checks | – | 301 ms | n/a | 45 h ago |
| api.tickorigin.com https://api.tickorigin.com/v1/dev-ranking | Finance/FX/Stocks | No Recent Successful Checks | – | 309 ms | n/a | 45 h ago |
| api.toolfeeds.com Normalized company filings and fundamentals data: divergent upstream accounting tags are resolved to a stable… | Gov/Regulatory/Product | No Recent Successful Checks | – | 57 ms | n/a | 45 h ago |
| api.tradeperpetua.xyz https://api.tradeperpetua.xyz/whale | Onchain/Crypto Data | No Recent Successful Checks | – | 375 ms | n/a | 45 h ago |
| api.utilia.ink | Onchain/Crypto Data | No Recent Successful Checks | – | 316 ms | n/a | 45 h ago |
| api.venice.ai | LLM Inference | No Recent Successful Checks | – | 148 ms | n/a | 45 h ago |
| api.veradata.dev Real-time financial rates from LATAM central banks. Countries: CO, MX, BR, CL, PE. Signals: TRM/DTF/IBR (Colo… | Finance/FX/Stocks | No Recent Successful Checks | – | 284 ms | n/a | 45 h ago |
| api.vinoandviews.online Unsigned EVM eth_call and gas estimate at a measured block; flags approvals and delegated target code. Never … | Onchain/Crypto Data | No Recent Successful Checks | – | 484 ms | n/a | 45 h ago |
| api.web3identity.com | Onchain/Crypto Data | No Recent Successful Checks | – | 506 ms | n/a | 45 h ago |
| api.x402risk.com https://api.x402risk.com/v1/token-check | Onchain/Crypto Data | No Recent Successful Checks | – | 45 ms | n/a | 45 h ago |
| api.xquant.fund | Other | No Recent Successful Checks | – | 693 ms | n/a | 45 h ago |
| api.zaroniacalculator.co.za | Other | No Recent Successful Checks | – | 1481 ms | n/a | 45 h ago |
| api2.romny.dpdns.org Machine-payable crypto USDT-M perpetual alert data: recent hits, factor library, and rule catalog. 0.10 USDC … | Onchain/Crypto Data | No Recent Successful Checks | – | 303 ms | n/a | 45 h ago |
| app.daedalmap.com Hosted geographic data API for agents and researchers. Discover maintained data packs and query location-link… | Weather/Geo/Travel | No Recent Successful Checks | – | 286 ms | n/a | 45 h ago |
| app.difficat.com | Documents/Convert | No Recent Successful Checks | – | 432 ms | n/a | 45 h ago |
| approval-guardian.vercel.app Audit a wallet active ERC-20 token approvals for drain risk; returns the revoke calldata. Pay-per-call USDC o… | Onchain/Crypto Data | No Recent Successful Checks | – | 106 ms | n/a | 45 h ago |
| arbiter.hergertsynthora.com M2M Dispute Arbiter: deterministic evidence checks (on-chain payment on Base, endpoint liveness, payTo integr… | Onchain/Crypto Data | No Recent Successful Checks | – | 589 ms | n/a | 45 h ago |
| ari001.tailb4ac3a.ts.net | Dev Utilities | No Recent Successful Checks | – | 2872 ms | n/a | 45 h ago |
| ask-surf-x402-production.up.railway.app | News/Research | No Recent Successful Checks | – | 263 ms | n/a | 45 h ago |
| astra-openapi-contract-diff-a11e.rollout.click Compare two public OpenAPI 3.0/3.1 JSON documents for structural request-contract changes, returning evidence… | Dev Utilities | No Recent Successful Checks | – | 575 ms | n/a | 45 h ago |
| astraldaily.com Overnight ranked price-watch for AI agents. Create watchlist (POST /api/pricewatch/watchlist), free dry-run, … | Onchain/Crypto Data | No Recent Successful Checks | – | 798 ms | n/a | 45 h ago |
| astro-agent.dev | LLM Inference | No Recent Successful Checks | – | 280 ms | n/a | 45 h ago |
| auto-earner.onrender.com Company website intelligence: metadata, public contacts, social links, technologies and structured-data signa… | People/Company Enrich | No Recent Successful Checks | – | 262 ms | n/a | 45 h ago |
| automatom-x402.netlify.app BTC price, fees, mempool, height, difficulty adjustment. $0.01 USDC on Base per call. | Onchain/Crypto Data | No Recent Successful Checks | – | 158 ms | n/a | 45 h ago |
| aviation.x402.press Real-time aviation data including flight tracking, airport information, aircraft types, and aviation weather.… | Weather/Geo/Travel | No Recent Successful Checks | – | 777 ms | n/a | 45 h ago |
| b20check.com | Other | No Recent Successful Checks | – | n/a | n/a | 45 h ago |
| b20check.fly.dev | Other | No Recent Successful Checks | – | n/a | n/a | 45 h ago |
| baalstt.tailb3821a.ts.net Speech-to-Text API (Deepgram nova-2 / whisper-large-v3). Audio in -> text out. AI agents pay per call via x40… | Image/Audio/Video | No Recent Successful Checks | – | 164 ms | n/a | 45 h ago |
| base-chain.561.group Current Base network gas price, read live from a public Base RPC node (eth_gasPrice) and returned in both wei… | Onchain/Crypto Data | No Recent Successful Checks | – | 49 ms | n/a | 45 h ago |
| base-reads-api.rafliyaputra.deno.net https://base-reads-api.rafliyaputra.deno.net/base/network | Other | No Recent Successful Checks | – | 221 ms | n/a | 45 h ago |
| base-spot.monnet-yanis1.workers.dev Decode approve, transfer, or Uniswap v3 exactInputSingle before you sign. $0.10 USDC. | Onchain/Crypto Data | No Recent Successful Checks | – | 11 ms | n/a | 45 h ago |
| basehub-alpha.vercel.app | Onchain/Crypto Data | No Recent Successful Checks | – | 275 ms | n/a | 45 h ago |
| bincrease.vercel.app Public GitHub repository activity, stars, forks, issues, language, license, topics, and latest-release eviden… | Dev Utilities | No Recent Successful Checks | – | 119 ms | n/a | 45 h ago |
| blinka-machine-mouths.netlify.app Cheap deterministic x402 seller/capability compatibility receipt with public payment contract and stable fing… | LLM Inference | No Recent Successful Checks | – | 539 ms | n/a | 45 h ago |
| blockchainanalysis.io KYT risk verdict for a wallet: sanctions, entity classification, VASP/jurisdiction score and cluster context … | Onchain/Crypto Data | No Recent Successful Checks | – | 1117 ms | n/a | 45 h ago |
| blockmachine.io | Other | No Recent Successful Checks | – | 408 ms | n/a | 45 h ago |
| bounty-api-ajis.onrender.com Live crypto bounty aggregator for AI agents. Searches paying bounties across Bountybook, OpenWork, Superteam … | Dev Utilities | No Recent Successful Checks | – | 211 ms | n/a | 45 h ago |
| brandontan.app Real-time foreign exchange rates for 170+ currencies. Convert any amount between currency pairs. | Finance/FX/Stocks | No Recent Successful Checks | – | 89 ms | n/a | 45 h ago |
| brief.hakankose.com Work Brief: a hand-curated operator brief for one focus (base_agents or id_seller_ops). 3-5 sourced facts, 3 … | Documents/Convert | No Recent Successful Checks | – | 144 ms | n/a | 45 h ago |
| briefing-service.wholemind.workers.dev | Other | No Recent Successful Checks | – | 503 ms | n/a | 45 h ago |
| brmarket.thomenz.me | Other | No Recent Successful Checks | – | 165 ms | n/a | 45 h ago |
| buoy-snapshot.buoycast.workers.dev | Weather/Geo/Travel | No Recent Successful Checks | – | 99 ms | n/a | 45 h ago |
| burst.solcleus.com Pay-per-correct inference for agents: escalate a hard decision to fast silicon, best-of-N, independent verifi… | LLM Inference | No Recent Successful Checks | – | 348 ms | n/a | 45 h ago |
| calldata-guardian.vercel.app Decode and explain an EVM transaction before signing � flags unlimited approvals, permits, setApprovalForAll,… | Onchain/Crypto Data | No Recent Successful Checks | – | 96 ms | n/a | 45 h ago |
| capi2-claim-verify.onrender.com Evidence-backed vendor claim verification for AI agents and procurement workflows. | Identity/Security Checks | No Recent Successful Checks | – | 232 ms | n/a | 45 h ago |
Descriptions are each service's own listing text. Data: x402-list.com (CC BY 4.0), modified. Recent Checks OK = last test calls (up to 20) that asked for payment correctly (min 5). Needs Login = HTTP 401/403, not a failure. Facts, not a ranking. Reply or dispute. List built at 2026-11-01 23:03:56 UTC from our checks (rebuilt about every 5 minutes).