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. 892s.io/api/chinese/convertConvert Chinese text between Simplified and Traditional...$0.0025 Base312 ms–100% up
  2. 89franchisepulse.theaslangroupllc.com/api/franchise/resaleExisting franchise units for sale$0.10 Base569 ms–100% up
  3. 89api.polyform.org/v1/text/summarizeText summarizer (Workers AI) — Summarize arbitrary text into a concise summary. POST {text, sentences?}. Runs Llama on Workers AI. JSON.$0.008 Base383 ms–100% up
  4. 89fitpulse.theaslangroupllc.com/api/fit/rehabSports medicine rehabilitation protocol$0.10 Base373 ms–100% up
  5. 89market2000.xyz/get_economic_calendarGet Economic Calendar Endpoint$0.001 solana452 ms–100% up
  6. 89market2000.xyz/forward_distributionForward Distribution Endpoint$0.05 solana386 ms–100% up
  7. 89market2000.xyz/pattern_backtestPattern Backtest Endpoint$0.10 solana484 ms–100% up
  8. 89market2000.xyz/regime_detectionRegime Detection Endpoint$0.05 Base569 ms–100% up
  9. 89market2000.xyz/macro_analogMacro Analog Endpoint$0.05 Base372 ms–100% up
  10. 89ot-intel-api.onrender.com/ot/articleCTI Article (Publication-Ready)$0.45 Base339 ms–100% up
  11. 89hermesplant.com/api/agent-services/emailguard/validateEmailGuard$0.02 Base975 ms–100% up
  12. 89one-search.one-engine.workers.dev/v3/text-token/hashtags/t3Tokenize hashtag labels with progressively richer token analytics. Tier 3/10 low-cost bundle with 3 output feature sets.$0.001 Base784 ms–100% up
  13. 89api.vinoandviews.online/v1/x402-health-checkPost X402 Health Check$0.15 Base354 ms–100% up
  14. 89x402-gateway-production-1f21.up.railway.app/chain/native-balanceLive native ETH balance for any public EVM wallet on Base or Ethereum via eth_getBalance. Returns exact wei as a decimal string for agents, portfolio monitors and blockchain automation.$0.001 Base488 ms–100% up
  15. 89x402-gateway-production-1f21.up.railway.app/chain/block-numberLatest EVM block height for Base or Ethereum via eth_blockNumber. Use for chain-tip checks, block polling, synchronization, indexers, trading agents and recurring blockchain monitoring.$0.001 Base496 ms–100% up
  16. 89206-81-14-131.sslip.io/svc/agent-services/validateValidate one URL-encoded JSON document against a bounded JSON Schema subset. Required json and schema query parameters; $0.0025 Base654 ms–100% up
  17. 89206-81-14-131.sslip.io/svc/nws-forecast/forecastFetch the latest NWS hourly forecast for a US coordinate. Returns up to 24 normalized periods and the forecast issuance $0.005 Base486 ms–100% up
  18. 89geld-machen-x402.fly.dev/product/phantom-allowlist.jsonSigned phantom allowlist ($0.03 USDC Base)$0.03 Base518 ms–100% up
  19. 89api.vinoandviews.online/v1/agent-budget-guardPost Agent Budget Guard$0.15 Base460 ms–100% up
  20. 89x402-agent.kariguetoazul.workers.dev/api/units/volume/cubic-meter-to-cubic-centimeterConvert cubic metres to cubic centimetres 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 Base509 ms–100% up
  21. 89x402-agent.kariguetoazul.workers.dev/api/units/volume/cubic-meter-to-cubic-footConvert cubic metres 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 Base596 ms–100% up
  22. 89x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-productHighest-demand x402 services tagged 'product': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 125 providers and 222 paying wallets measured in this tag.$0.008 Base422 ms–100% up
  23. 89afterwren.cybermaxtools.com/x402/api/companies/suggestCompany autocomplete with the free-tier limits wrapped around the results (pay per call in USDC via x402, no key)$0.002 Base362 ms–100% up
  24. 89afterwren.cybermaxtools.com/x402/api/searchEncyclopedia search after Bing Search API: Wikipedia titles, URLs and snippets (pay per call in USDC via x402, no key)$0.002 Base379 ms–100% up
  25. 89squeezeos-api.onrender.com/api/ftd/ratio/%7Bsymbol%7DFTD percentile API — return the latest fails-to-deliver record and its rolling-window percentile for one ticker$0.03 Base555 ms–100% up
  26. 89kevscope-api.cybermaxtools.com/x402/api/kev/recentCVEs added to CISA KEV in the last N days, with EPSS (pay per call in USDC via x402, no key)$0.003 Base303 ms–100% up
  27. 89orbitwren.cybermaxtools.com/x402/api/projectsOrbital compute and space data center projects, with sources (pay per call in USDC via x402, no key)$0.003 Base461 ms–100% up
  28. 89domaindna-api.cybermaxtools.com/x402/api/techTech stack of up to 3 websites, with evidence (pay per call in USDC via x402, no key)$0.005 Base445 ms–100% up
  29. 89hireheat-api.cybermaxtools.com/x402/api/jobsEvery open job at one company, newest first, with keyword and remote filters (pay per call in USDC via x402, no key)$0.012 Base514 ms–100% up
  30. 89bonafido.cybermaxtools.com/x402/api/verifyVerify up to 5 business domains (optionally against a company name) (pay per call in USDC via x402, no key)$0.025 Base575 ms–100% up
  31. 89domaindna-api.cybermaxtools.com/x402/api/email-securityEmail provider, SPF and DMARC for up to 5 domains (pay per call in USDC via x402, no key)$0.005 Base522 ms–100% up
  32. 89dutyfinch.cybermaxtools.com/x402/api/china-deal2026 US–China tariff reduction list: status and per-code flag (pay per call in USDC via x402, no key)$0.012 Base503 ms–100% up
  33. 89swellmeter-api.cybermaxtools.com/x402/api/topicDid a topic trend in the last 30 days? Where and when? (pay per call in USDC via x402, no key)$0.004 Base509 ms–100% up
  34. 89squeezeos-api.onrender.com/api/signals/741/%7Bsymbol%7D741 structural signal API — return a proprietary-clean bullish, bearish, or consolidation label for one ticker without exposing indicator internals$0.02 Base306 ms–100% up
  35. 89squeezeos-api.onrender.com/api/741macroMacro regime analysis API for AI agents — evaluate caller-selected stock symbols with SML's configured 741 structural matrix after live-data preflight$0.04 Base529 ms–100% up
  36. 89dutyfinch.cybermaxtools.com/x402/api/watchPro: watch codes and get a webhook when a rate or China status changes (pay per call in USDC via x402, no key)$0.012 Base357 ms–100% up
  37. 89dutyfinch.cybermaxtools.com/api/watchPro: watch codes and get a webhook when a rate or China status changes 342 ms–100% up
  38. 89fieldwright.cybermaxtools.com/x402/api/extractOne URL to Markdown + metadata (no-key mode) (pay per call in USDC via x402, no key)$0.004 Base375 ms–100% up
  39. 89haulroll-api.cybermaxtools.com/x402/api/alertsMonitor a carrier list: FMCSA events in the last N days (pay per call in USDC via x402, no key)$0.03 Base316 ms–100% up
  40. 89squeezeos-api.onrender.com/api/iam/%7Bsymbol%7DMarket action-resolution API — return SML IAM BUY, SELL, or HOLD decision-support output with rationale, invalidation, and review trigger for one symbol$0.05 Base454 ms–100% up
  41. 89squeezeos-api.onrender.com/api/oracle/latest/%7Bfeed%7DRegulatory event feed API — return the latest buffered real events from SEC 8-K, SEC S-1, FDA, or USPTO data feeds$0.02 Base429 ms–100% up
  42. 89recallroll-api.cybermaxtools.com/x402/api/recallsSafety recalls for a make, model and model year (no VIN needed) (pay per call in USDC via x402, no key)$0.015 Base407 ms–100% up
  43. 89ziplore.cybermaxtools.com/x402/api/zipLook up up to 10 US ZIP codes (pay per call in USDC via x402, no key)$0.002 Base723 ms–100% up
  44. 89ziplore.cybermaxtools.com/x402/api/cityEvery ZIP of a city, largest first (pay per call in USDC via x402, no key)$0.002 Base846 ms–100% up
  45. 89orbitwren.cybermaxtools.com/x402/api/orbitsOrbit elements for orbital-compute satellites (CelesTrak) (pay per call in USDC via x402, no key)$0.003 Base340 ms–100% up
  46. 89ziplore.cybermaxtools.com/x402/api/distanceDistance between two ZIPs (pay per call in USDC via x402, no key)$0.002 Base566 ms–100% up
  47. 89sumbloom.cybermaxtools.com/x402/v1/puzzle.svgGet a number puzzle as a printable SVG image (pay per call in USDC via x402, no key)$0.002 Base381 ms–100% up
  48. 89x402.datakoot.com/api/package_downloadsPackage Downloads (Package Intel)$0.002 Base302 ms–100% up
  49. 89x402.datakoot.com/api/filing_searchFiling Search (Filings Intel)$0.002 Base311 ms–100% up
  50. 89x402.datakoot.com/api/weather_forecastWeather Forecast (Weather & Geo)$0.002 Base308 ms–100% up
  51. 89x402.datakoot.com/api/domain_reportDomain Report (Domain Intel)$0.002 Base322 ms–100% up
  52. 89x402.datakoot.com/api/agenciesAgencies (Regulatory Intel)$0.002 Base359 ms–100% up
  53. 89astro-agents-api.vercel.app/v1/vedic/kundliKundli (Vedic birth chart) ($0.15)$0.15 Base390 ms–100% up
  54. 89api.aurenic.org/summarize/%7Bb64%7DFetch a URL and return a concise summary$0.005 Base609 ms–100% up
  55. 89astro-agents-api.vercel.app/v1/vedic/reportComplete Vedic report ($0.50)$0.50 Base352 ms–100% up
  56. 89agent-press-wire.dylan-caponi.workers.dev/v1/wire-releaseNewswire distribution to 500+ news sites and 100+ TV/radio sites$99.00 Base610 ms–100% up
  57. 89x402-gateway-production-1f21.up.railway.app/wallet-activityMonitor recent USDC or ERC-20 transfers for one wallet. Returns incoming/outgoing activity and next_cursor for recurring stablecoin payment detection and treasury monitoring.$0.001 Base530 ms–100% up
  58. 89x402-gateway-production-1f21.up.railway.app/chain/erc20-allowanceCheck ERC-20 token allowance$0.001 Base467 ms–100% up
  59. 89readr.hatchagent.workers.dev/readExtract clean text from a web page$0.005 Base312 ms–100% up
  60. 89206-81-14-131.sslip.io/svc/x402-pricing-description-checklist/dl/x402-pricing-description-checklist.mdFull checklist: offer selection, price and cost worksheets, input/output examples, failure-path disclosures, and a post-$0.25 Base462 ms–100% up
  61. 89206-81-14-131.sslip.io/svc/product-barcode/productResolve one 8-14 digit product barcode into selected public product metadata and image URLs. One upstream lookup per cal$0.008 Base424 ms–100% up
  62. 89206-81-14-131.sslip.io/svc/content-quality-audit/auditAudit supplied plain text up to 20,000 characters. Returns word and sentence counts, approximate readability, heading co$0.01 Base432 ms–100% up
  63. 8995.216.126.169.sslip.io/v1/token-check/batchBatch Solana token safety checks (on-chain)$0.01 Base762 ms–100% up
  64. 89fetchgate.dev/v1/buy/x402-quickstart-2026-08-23Buy: x402 Quickstart Kit — 2026-08-23 edition ($7.00)$7.00 Base521 ms–100% up
  65. 89x402-agent.kariguetoazul.workers.dev/api/units/length/centimeter-to-kilometerConvert centimetres to kilometres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base665 ms–100% up
  66. 89zambo.dev/api/x402/day-passDAY PASS: 24 hours of Zambo MCP (132 tools) for $0.99 USDC on Base. One payment, no API key.$0.99 Base445 ms–100% up
  67. 89fetchgate.dev/v1/buy/mcp-tool-inventory-2026-08-28Buy: MCP Live Tool Inventory — 2026-08-28 edition ($29.00)$29.00 Base404 ms–100% up
  68. 89fetchgate.dev/v1/buy/x402-registry-2026-10-04Buy: x402 Services & Facilitator Registry — 2026-10-04 edition ($15.00)$15.00 Base396 ms–100% up
  69. 89fetchgate.dev/v1/buy/agent-web-report-2026-q3Buy: The Agent Web, Measured — 2026 Q3 edition ($149.00)$149.00 Base400 ms–100% up
  70. 89x402-agent.kariguetoazul.workers.dev/api/units/length/foot-to-millimeterConvert international feet to millimetres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base575 ms–100% up
  71. 89x402-agent.kariguetoazul.workers.dev/api/units/pressure/millibar-to-kilopascalConvert millibar to kilopascals for pressure. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the pressure converter, not a separate data provider.$0.001 Base654 ms–100% up
  72. 89x402-agent.kariguetoazul.workers.dev/api/units/power/kilowatt-to-mechanical-horsepowerConvert kilowatts to mechanical horsepower for power. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the power converter, not a separate data provider.$0.001 Base571 ms–100% up
  73. 89x402-agent.kariguetoazul.workers.dev/api/text/extract-emailsExtract conventional ASCII email-like strings. Not a complete RFC parser or mailbox check.$0.001 Base590 ms–100% up
  74. 89x402-agent.kariguetoazul.workers.dev/api/units/length/millimeter-to-nanometerConvert millimetres to nanometres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base400 ms–100% up
  75. 89x402-agent.kariguetoazul.workers.dev/api/units/length/meter-to-millimeterConvert metres to millimetres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base351 ms–100% up
  76. 89x402-agent.kariguetoazul.workers.dev/api/units/length/kilometer-to-micrometerConvert kilometres to micrometres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base574 ms–100% up
  77. 89mdaf.bbinntg.workers.dev/v1/erc20/balanceFetch ERC20 balance$0.003 Base622 ms–100% up
  78. 89veredicto-humano-x402.onrender.com/verdict/createPedí el juicio de una persona real sobre una pregunta subjetiva.$0.10 Base589 ms–100% up
  79. 89mini-tollbooth.onrender.com/auditTrollBridge lane: audit$25.00 Base421 ms–100% up
  80. 89draconic21-x402-api.onrender.com/v1/compare_offersLegacy: compare 2–5 job offers$0.02 Base394 ms–100% up
  81. 89draconic21-x402-api.onrender.com/v1/signal_historyGO-TO: Daily Agent Signal (archive)$0.10 Base415 ms–100% up
  82. 89draconic21-x402-api.onrender.com/v1/rate_quoteLegacy: rate quote$0.01 Base439 ms–100% up
  83. 89draconic21-x402-api.onrender.com/v1/briefing_packAgent Economy Briefing Pack (exclusive dataset)$0.25 Base388 ms–100% up
  84. 89api.chainward.ai/api/paid/%7Bslug%7D/fileThe full dataset behind a published decode, as CSV, paid over x402$10.00 Base464 ms–100% up
  85. 89oracle.cyberwarex.com/deployerDeployer reputation — prior honeypot/scam tokens from the deploying wallet (our ledger); dead launches excluded, shared-infra wallets exempt. A look-harder prior, not proof$0.01 Base679 ms–100% up
  86. 89oracle.cyberwarex.com/v1/risk/checkFull risk decomposition — per-dimension honeypot/rug/admin/liquidity/scam scores, confidence, contract privileges, dynamic-tax ceiling, effective controllers, a buy/sell simulation matrix, and non-honeypot scam detection (LP lock, holder concentration, supply inflation, liquidity trend, contract age)$0.03 Base622 ms–100% up
  87. 89search.cyberwarex.com/papersAcademic paper search (arXiv, PubMed, Semantic Scholar, OpenAlex)$0.003 Base689 ms–100% up
  88. 89oracle.cyberwarex.com/risk/explainAgent verdict — ALLOW/LIMIT/RECHECK/BLOCK with reason codes and an overall risk score$0.01 Base661 ms–100% up
  89. 89chain.cyberwarex.com/erc20-balanceERC-20 token balance of any wallet on Base, Ethereum, Arbitrum, Optimism or Polygon$0.001 Base690 ms–100% up
  90. 89search.cyberwarex.com/search-batchUp to 5 web searches in one call$0.01 Base680 ms–100% up
  91. 89chain.cyberwarex.com/balanceNative coin balance (ETH or POL) of any address on Base, Ethereum, Arbitrum, Optimism or Polygon, with USD value$0.001 Base517 ms–100% up
  92. 89project-api-gamma-sable.vercel.app/paid/openalex/worksOpenAlex works search (slim JSON + uiLink)$0.01 Base612 ms–100% up
  93. 89project-api-gamma-sable.vercel.app/paid/openfda/food-enforcementopenFDA food enforcement recalls (slim JSON + uiLink)$0.01 Base540 ms–100% up
  94. 89project-api-gamma-sable.vercel.app/paid/arxiv/searcharXiv Atom API preprint search (slim JSON + abs/pdf links)$0.01 Base509 ms–100% up
  95. 89project-api-gamma-sable.vercel.app/paid/nws/alertsNWS/NOAA active weather alerts by state (slim JSON + uiLink)$0.01 Base492 ms–100% up
  96. 89project-api-gamma-sable.vercel.app/paid/cms/nppesCMS NPPES NPI Registry provider search (slim JSON + uiLink)$0.01 Base492 ms–100% up
  97. 89shop.netlobo.com/v1/chat/completionsOpenAI-compatible chat completions (GET): a bare call runs the default one-turn completion in the OpenAI envelope; answered in <= 512 tokens. The same estate brain and price as POST.$0.01 Base553 ms–100% up
  98. 89pricing-state-api.replit.app/api/sets/%7Bset%7D/changesPaid $0.01 USDC change feed across a set — charged only when a change was recorded after `since`.$0.01 Base443 ms–100% up
  99. 89www.api-xpay.com/x402/wordcountWord Count$0.005 Base482 ms–100% up
  100. 89www.api-xpay.com/x402/slugSlugify$0.005 Base490 ms–100% up