x402watch

53,495 paid endpoints are listed. 29,803 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-06 00:30 UTC · 53,495 probed

29,803 answering 40217,751 down5,099 rejecting842 no paywall1,877 price drift
  1. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/erc721-ownerERC-721 Owner and Token URI$0.003 Base25 ms–100% up
  2. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/contract-profileEVM Contract Proxy & Owner Check$0.003 Base16 ms–100% up
  3. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/erc20-transfersERC-20 Wallet Transfer History$0.002 Base30 ms–100% up
  4. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/npm-package-healthnpm Package Health$0.005 Base19 ms–100% up
  5. 94x402-gateway-production-1f21.up.railway.app/crypto/spot-priceCrypto spot price$0.001 Base252 ms–100% up
  6. 94x402-agent.kariguetoazul.workers.dev/api/units/density/kilogram-per-cubic-meter-to-pound-per-cubic-footConvert kilograms per cubic metre to pounds per cubic foot for density. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the density converter, not a separate data provider.$0.001 Base18 ms–100% up
  7. 94agdata.shveik.dev/mpp/google-maps-reviewsGoogle Maps reviews of a place$0.0111 solana98 ms–100% up
  8. 94agdata.shveik.dev/mpp/amazonAmazon product search$0.033 Base101 ms–100% up
  9. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/quote/swapUse for a DEX swap quote with a ready unsigned transaction: best route from Velora (ParaSwap) with KyberSwap as fallback on Base, Arbitrum, Ethereum, Optimism, Polygon and BNB Chain. Give chain, from, to (symbol like USDC/WETH/ETH or token address), amount in base units and taker (your wallet). Returns expected output, calldata, approval target and gas estimate; you sign and broadcast, P0 never touches funds. Includes a 0.20% integrator fee for P0 taken by the aggregator inside your swap (on Vel$0.002 Base31 ms–100% up
  10. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/v1/doc/readUse for reading a web page as clean markdown for an LLM or agent (url to markdown, reader, html to text): POST {url, max_chars} and get {title, markdown, chars, source_url}. One fetch of a public http/https page on your request, robots.txt respected, 2 MB and 8 s caps; scripts and styles stripped; headings, links, lists, code and tables kept; up to 20,000 chars. Rule-based, no AI summary. $0.005 USDC per call. Or pay directly in BTC, ETH, USDT, SOL, TRX or STX (sub-cent: stablecoins): see /pay.$0.005 Base24 ms–100% up
  11. 94agent-json-reliability.onrender.com/v1/json/contract-checkPaid x402 JSON Contract Check$0.003 Base275 ms–100% up
  12. 94agent-json-reliability.onrender.com/v1/web/metadataPaid x402 Web Metadata Extract$0.003 Base263 ms–100% up
  13. 94agent-json-reliability.onrender.com/v1/evidence/receiptPaid x402 Content Provenance Receipt$0.003 Base267 ms–100% up
  14. 94agent-json-reliability.onrender.com/v1/url/preflightPaid x402 Public URL Preflight$0.005 Base292 ms–100% up
  15. 94agent-json-reliability.onrender.com/v1/evidence/comparePaid x402 Multi-Source Evidence Compare$0.01 Base270 ms–100% up
  16. 94agent-json-reliability.onrender.com/v1/url/redirect-checkPaid x402 Redirect Chain Audit$0.003 Base281 ms–100% up
  17. 94agent-json-reliability.onrender.com/v1/url/tls-checkPaid x402 TLS Snapshot$0.003 Base282 ms–100% up
  18. 94qf-api.quietforge-studio.workers.dev/v1/dataset-auditFull dataset quality-audit report as JSON ($0.03 per call, x402)$0.03 Base197 ms–100% up
  19. 94qf-api.quietforge-studio.workers.dev/v1/x402/demandSettlement-verified on-chain demand per x402 seller$0.02 Base250 ms–100% up
  20. 94qf-api.quietforge-studio.workers.dev/v1/typeset/outlineDetect a manuscript's chapter structure ($0.01 per call, x402)$0.01 Base238 ms–100% up
  21. 94qf-api.quietforge-studio.workers.dev/v1/crossword/pdfVerified crossword as print-ready PDFs, zipped base64 ($3.99 per call, x402)$3.99 Base203 ms–100% up
  22. 94qf-api.quietforge-studio.workers.dev/v1/familytree/pdfVerified family tree chart as print-ready PDFs, zipped base64 ($4.99 per call, x402)$4.99 Base280 ms–100% up
  23. 94qf-api.quietforge-studio.workers.dev/v1/dataset-audit/pdfDataset quality-audit report as JSON + one-page PDF, zipped base64 ($1.99 per call, x402)$1.99 Base207 ms–100% up
  24. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/concentrationUse when you need demand concentration in the x402 Bazaar: for each tag, the share of its 30-day paying wallets held by the top-1 and top-3 services and by the top seller, HHI, zero-payer services, and summed payers stated as an upper bound. Optional ?tag= for one tag. $0.002 USDC per call.$0.002 Base151 ms–100% up
  25. 94genesis-agent-tools.genesisagenttools.workers.dev/api/tools/api-response-contract-guardAPI Response Contract Guard$0.005 Base235 ms–100% up
  26. 94genesis-agent-tools.genesisagenttools.workers.dev/api/tools/webhook-contract-driftWebhook Contract Drift Check$0.01 Base221 ms–100% up
  27. 94genesis-agent-tools.genesisagenttools.workers.dev/api/tools/json-schema-inferJSON Schema Infer$0.005 Base238 ms–100% up
  28. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/eu/fxUse for euro exchange rates: the latest ECB euro foreign exchange reference rates (EUR base, about 30 currencies such as USD, GBP, JPY, CHF, PLN), the publication date, percent change versus the previous ECB publication and a stale flag. Source attribution in every reply. Reference rates for information only, not transaction rates. $0.001 USDC per call. Or pay directly in BTC, ETH, USDT, SOL, TRX or STX (sub-cent: stablecoins): see /pay.$0.001 Base134 ms–100% up
  29. 94aws-bedrock-agent-api.vercel.app/api/chatChat completion via Amazon Bedrock. Price depends on `model` ($0.005–$0.25). GET /api/models for the catalog.$0.25 Base282 ms–100% up
  30. 94aws-bedrock-agent-api.vercel.app/api/agents/tx-traceTrace a transaction hash on Base, Ethereum, or Tempo: status, from/to, value, gas, and a short Bedrock summary.$0.02 Base195 ms–100% up
  31. 94aws-bedrock-agent-api.vercel.app/api/agents/ae-negotiateFile a Request-For-Proposal on Agent Exchange /market/negotiate when no listed API fits. Also maps the need onto this origin if we already sell it. AE operators then deploy a schema; you keep the x402/MPP listing here.$0.03 Base184 ms–100% up
  32. 94aws-bedrock-agent-api.vercel.app/api/agents/acpDemand-side jobs on Virtuals Agent Commerce Protocol. Search live ACP providers, map the need onto this origin’s agents, and return the buyer/seller playbook (request → agreement → delivery → evaluation → settlement).$0.03 Base115 ms–100% up
  33. 94api.marketintelligenceapi.com/api/v1/cot/%7Bmarket%7DFutures positioning (COT) of one market$0.01 solana124 ms–100% up
  34. 94squeezeos-api.onrender.com/api/iwmIWM options contract scoring API — rank available IWM option contracts using live chain, underlying, volatility, sweep, and breadth inputs$0.03 Base161 ms–100% up
  35. 94genesis-agent-tools.genesisagenttools.workers.dev/api/mcp-schema-driftMCP Schema Drift Gate$0.05 Base208 ms–100% up
  36. 94genesis-agent-tools.genesisagenttools.workers.dev/api/batch-compatibility-auditBatch Compatibility Audit$1.00 Base193 ms–100% up
  37. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/evm-gas-priceMulti-chain EVM Gas Fee Estimate$0.001 Base29 ms–100% up
  38. 94qrcode.pub/x402/metaFetch web page metadata (OpenGraph, Twitter, icons, JSON-LD)$0.005 Base20 ms–100% up
  39. 94api.marketintelligenceapi.com/api/v1/credits/buy/%7Busd%7DBuy or top up prepaid credits$5.00 solana122 ms–100% up
  40. 94qrcode.pub/x402/extractExtract a web page as clean Markdown with links$0.01 Base18 ms–100% up
  41. 94api.marketintelligenceapi.com/api/v1/sec/fails-to-deliver/%7Bsymbol%7DFails-to-deliver of a US stock$0.01 solana108 ms–100% up
  42. 94base-tx.weatherriskapi.com/v1/base/transaction-decisionDecide whether to execute or briefly wait on Base$0.005 Base197 ms–100% up
  43. 94qrcode.pub/x402/storeHost a file at a public URL for 30 days$0.01 Base21 ms–100% up
  44. 94openclawproductions.com/api/v1/pipecheckLive 402 pipe probe for a URL or catalog sample$0.02 Base117 ms–100% up
  45. 94openclawproductions.com/api/v1/amounttypeaccepts.amount string vs number$0.02 Base116 ms–100% up
  46. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/evm-estimate-gasEVM Transaction Gas Estimate$0.003 Base18 ms–100% up
  47. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/hmacHMAC Sign$0.0005 Base48 ms–100% up
  48. 94free-asset-radar-x402.besenok2018.workers.dev/api/x402/evm-token-balance-allowanceERC-20 Balance and Allowance$0.003 Base12 ms–100% up
  49. 94openclawproductions.com/api/v1/agentsubmit$0.10 agent submit of an x402 endpoint for review$0.10 Base118 ms–100% up
  50. 94openclawproductions.com/api/v1/discfilterignFacilitator discovery ?payTo= filter honor$0.03 Base138 ms–100% up
  51. 94openclawproductions.com/api/v1/schememixaccepts[] exact vs batch-settlement mix$0.03 Base160 ms–100% up
  52. 94openclawproductions.com/api/v1/skudelta221211 to 221 paid_sku_count delta plus new_bases$0.02 Base118 ms–100% up
  53. 94openclawproductions.com/api/v1/listseatlivewell-known listseat plus listseat-sample live presence$0.02 Base115 ms–100% up
  54. 94openclawproductions.com/api/v1/agentsubmit10well-known agentsubmit plus agentsubmit-sample live presence$0.02 Base118 ms–100% up
  55. 94openclawproductions.com/api/v1/dualhostwkopenedclaw/wideopenclaw paid_sku_count$0.02 Base116 ms–100% up
  56. 94openclawproductions.com/api/v1/ctxcapsulecontext capsule archive of capped demo slots$0.22 Base116 ms–100% up
  57. 94openclawproductions.com/api/v1/resourcedelta22286 to 308 resources delta plus paid/sample split$0.02 Base117 ms–100% up
  58. 94openclawproductions.com/api/v1/stubshare41verified.json minping_stub share at 41/120$0.02 Base118 ms–100% up
  59. 94openclawproductions.com/api/v1/denyage295denylist.json age hours/days at ~2.95d stale$0.02 Base117 ms–100% up
  60. 94openclawproductions.com/api/v1/skudelta241231 to 241 paid_sku_count delta plus tip_refs listseat and agentsubmit$0.02 Base116 ms–100% up
  61. 94openclawproductions.com/api/v1/unscoredrowverified.json public_score missing$0.02 Base118 ms–100% up
  62. 94openclawproductions.com/api/v1/claimstaleverified.json claimed[] clock vs live paid_sku_count$0.02 Base118 ms–100% up
  63. 94openclawproductions.com/api/v1/seatpricelistseat priceUsd vs accepts.amount / 1e6$0.02 Base162 ms–100% up
  64. 94openclawproductions.com/api/v1/pagtotalfacilitator pagination.total vs len(items)$0.03 Base148 ms–100% up
  65. 94openclawproductions.com/api/v1/wwwmatch170apex vs www paid_sku_count equality at 170$0.02 Base115 ms–100% up
  66. 94openclawproductions.com/api/v1/skudelta10n170 to 180 paid_sku_count delta plus new_bases$0.02 Base115 ms–100% up
  67. 94openclawproductions.com/api/v1/softpassdistTrack A soft_pass composite local_door PASS distribution FAIL$0.02 Base118 ms–100% up
  68. 94openclawproductions.com/api/v1/proofledgersigned append-only proof ledger page of entry_id plus claim_hash plus prev_hash$0.22 Base118 ms–100% up
  69. 94openclawproductions.com/api/v1/mintpassone-shot mint entitlement of remaining quota plus hmac$0.18 Base116 ms–100% up
  70. 94openclawproductions.com/api/v1/lookshit18565desk who-looks day meter day=18565$0.02 Base120 ms–100% up
  71. 94openclawproductions.com/api/v1/slashsamplepipecheck hyphen-name vs slash-path sample tip$0.02 Base129 ms–100% up
  72. 94openclawproductions.com/api/v1/quotaguardone-shot quote expiry guard of guard_id plus quote_hash plus hmac$0.18 Base117 ms–100% up
  73. 94openclawproductions.com/api/v1/resdelta506486 to 506 resources delta plus paid/free split$0.02 Base132 ms–100% up
  74. 94openclawproductions.com/api/v1/samplemisslivesamplemiss accepts anomaly tip at paid_sku 269$0.02 Base130 ms–100% up
  75. 94openclawproductions.com/api/v1/softpass269Track A soft_pass composite pinned at paid_sku 269$0.02 Base128 ms–100% up
  76. 94openclawproductions.com/api/v1/settlebondsigned settle-bond ticket of bond_id plus accept_hash plus settle_hash$0.22 Base128 ms–100% up
  77. 94openclawproductions.com/api/v1/cohortpassagent cohort access pass of pass_id plus seats plus sig$0.20 Base125 ms–100% up
  78. 94openclawproductions.com/api/v1/receiptchainsigned multi-hop receipt chain link of chain_id plus hop_n plus link_hash$0.22 Base124 ms–100% up
  79. 94openclawproductions.com/api/v1/skudelta269259 to 269 paid_sku_count delta plus tip_refs 0705548a4411 and 92bcb9f0$0.02 Base161 ms–100% up
  80. 94openclawproductions.com/api/v1/tipguardone-shot tip expiry guard of guard_id plus quote_hash plus hmac$0.18 Base164 ms–100% up
  81. 94openclawproductions.com/api/v1/skudelta279269 to 279 paid_sku_count delta plus tip_refs ec4f8d4c33ab$0.02 Base163 ms–100% up
  82. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/imperial-gallon-to-cubic-meterConvert imperial gallons to cubic metres for volume. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the volume converter, not a separate data provider.$0.001 Base24 ms–100% up
  83. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/imperial-gallon-to-us-quartConvert imperial gallons to US liquid quarts for volume. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the volume converter, not a separate data provider.$0.001 Base21 ms–100% up
  84. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/us-quart-to-cubic-footConvert US liquid quarts to cubic feet for volume. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the volume converter, not a separate data provider.$0.001 Base134 ms–100% up
  85. 94x402-agent.kariguetoazul.workers.dev/api/units/frequency/radian-per-second-to-kilohertzConvert angular radians per second to kilohertz for frequency. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the frequency converter, not a separate data provider.$0.001 Base40 ms–100% up
  86. 94toll402.dev/v1/t/ruc_ec_public_validateOffline validator for an Ecuadorian RUC belonging to a public-sector entity: checks 13 digits total, that position 3 equals '6', that positions 1-8 pass a modulus-11 check against digit 9 using weights (3,2,7,6,5,4,3,2), and that the final 4 digits are '0001'.$0.001 Base108 ms–100% up
  87. 94toll402.dev/v1/t/csv_to_jsonParses CSV text into an array of JSON row objects, auto-detecting the delimiter (comma, semicolon, tab, or pipe) unless overridden, inferring per-column types (number, boolean, string, null), and returning a summary with row/column counts and null counts per column. Pure offline computation, no network access.$0.001 Base96 ms–100% up
  88. 94geld-machen-x402.fly.dev/product/web-extract.jsonWeb extract Firecrawl ($0.03) — Phase-1 enrichment$0.03 Base271 ms–100% up
  89. 94geld-machen-x402.fly.dev/product/base-balanceBase Balance Post$0.01 Base262 ms–100% up
  90. 94api.loopholetape.com/v1/check/mint/%7Bmint%7DGet a Solana token safety check for one pump.fun memecoin$0.005 Base261 ms–100% up
  91. 94http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/container/sizehow large is this container image$0.003 Base95 ms–100% up
  92. 94http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/http/changedhas this HTTP endpoint changed$0.001 Base89 ms–100% up
  93. 94geld-machen-x402.fly.dev/product/facilitator-dry-run.jsonFacilitator Dry-Run ($0.05 USDC Base)$0.05 Base194 ms–100% up
  94. 94geld-machen-x402.fly.dev/product/deal-brief.jsonDownload Deal Brief$0.75 Base98 ms–100% up
  95. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-generatorHighest-demand x402 services tagged 'generator': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 47 providers and 205 paying wallets measured in this tag.$0.008 Base24 ms–100% up
  96. 94x402-agent.kariguetoazul.workers.dev/api/units/speed/knot-to-centimeter-per-secondConvert knots to centimetres per second for speed. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the speed converter, not a separate data provider.$0.001 Base29 ms–100% up
  97. 94x402-agent.kariguetoazul.workers.dev/api/units/speed/centimeter-per-second-to-foot-per-secondConvert centimetres per second to feet per second for speed. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the speed converter, not a separate data provider.$0.001 Base148 ms–100% up
  98. 94x402-agent.kariguetoazul.workers.dev/api/units/area/square-meter-to-square-kilometerConvert square metres to square kilometres for area. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the area converter, not a separate data provider.$0.001 Base98 ms–100% up
  99. 94x402-agent.kariguetoazul.workers.dev/api/units/speed/mile-per-second-to-centimeter-per-secondConvert miles per second to centimetres per second for speed. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the speed converter, not a separate data provider.$0.001 Base170 ms–100% up
  100. 94x402-agent.kariguetoazul.workers.dev/api/units/area/square-kilometer-to-square-meterConvert square kilometres to square metres for area. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the area converter, not a separate data provider.$0.001 Base185 ms–100% up