x402watch

37,707 paid endpoints are listed. 23,020 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 2026-09-30 05:46 UTC · 37,707 probed

23,020 answering 4029,132 down4,532 rejecting1,023 no paywall2,818 price drift
  1. 98api.sys84.org/v1/services/arc_token_diligenceArc mainnet token due-diligence: admin-control probe (mint/pause/blacklist/upgrade), honeypot transfer test, symbol-squatting/lookalike detection, launchpad tax and fee-allocation decode, live price/liquidity, owner wallet stats, holder count, creation time, risk score and verdict.$0.20 Baserejecting2 payers97% up
  2. 98minia2a.uk/x402/language-detectminia2a service: x402-language-detect$0.01 Baserejecting2 payers97% up
  3. 96i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/openapi-agent-auditorAudit an OpenAPI document for complete schemas, useful examples, stable operation IDs, clear descriptions, and payment/authentication discoverability.$0.20 Baserejecting1 payers93% up
  4. 94http--forest-gas-station--lcjl27p8lmjs.code.run/x402/discoverSearch machine-payable x402 resources and normalize discovery metadata.$0.002 Base Sepoliarejecting1 payers90% up
  5. 94http--forest-gas-station--lcjl27p8lmjs.code.run/mcp/preflightRead-only MCP handshake/tools-list preflight; no destructive tool calls.$0.004 Base Sepoliarejecting1 payers90% up
  6. 94http--forest-gas-station--lcjl27p8lmjs.code.run/openapi/preflightVerify OpenAPI/Swagger document reachability, parseability, operations/auth/servers.$0.003 Base Sepoliarejecting1 payers90% up
  7. 94i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/citation-research-packCollect relevant evidence from supplied public sources and return source-linked snippets that agents can cite and verify.$0.35 Baserejecting1 payers90% up
  8. 94i3p3mgbsn54dvlivnk6wbumal40eqtsn.lambda-url.us-east-1.on.aws/v1/invoice-receipt-matcherCompare invoice and receipt text for matching document numbers and totals with a configurable amount tolerance.$0.20 Baserejecting1 payers90% up
  9. 91format-validator.pdfextractapi.workers.dev/validateValidate a value against a known format (email, url, uuid, ipv4, ipv6, credit_card, iban, phone_e164, date_iso8601, postal_code_us, postal_code_uk, postal_code_ca).$0.01 Baserejecting2 payers93% up
  10. 91ens-resolver.pdfextractapi.workers.dev/resolveResolve an ENS name to an address, or an address to its primary ENS name.$0.01 Baserejecting2 payers93% up
  11. 91qr-generator.pdfextractapi.workers.dev/generateGenerate a QR code as SVG from any text or URL.$0.01 Baserejecting2 payers93% up
  12. 89http--forest-gas-station--lcjl27p8lmjs.code.run/mcp/discoverFind public MCP server candidates and registry metadata.$0.003 Base Sepoliarejecting1 payers90% up
  13. 89http--forest-gas-station--lcjl27p8lmjs.code.run/domain/registration-stateRegistration/registrar/expiry/status without unrelated domain checks.$0.002 Base Sepoliarejecting1 payers90% up
  14. 89http--forest-gas-station--lcjl27p8lmjs.code.run/package/licenseNormalize declared package license metadata toward SPDX; no legal compatibility conclusion.$0.002 Base Sepoliarejecting1 payers90% up
  15. 88402.com.tr/api/x402/tx-decodeProvide a Base transaction hash and get a structured summary: from/to, ETH value, status, gas used, block, method selector, and nonce — straight from Base RPC.$0.02 Baserejecting1 payers97% up
  16. 87api.strale.io/x402/npm-package-infoFetch npm package metadata: version, dependencies, downloads, repository, license. Includes weekly download count.$0.054 Baserejecting1 payers83% up
  17. 87apibase.pro/api/v1/tools/nasaexoplanet.habitable/callHabitable Zone Candidates$0.002 Baserejecting–88% up
  18. 86sentiment-analyzer.pdfextractapi.workers.dev/analyzeAnalyze the sentiment of text: classification, score, confidence, and detected emotions.$0.01 Baserejecting3 payers93% up
  19. 86language-detector.pdfextractapi.workers.dev/detectDetect the language(s) of text, including multilingual text.$0.01 Baserejecting3 payers93% up
  20. 86wallet-risk-snapshot.pdfextractapi.workers.dev/snapshotOn-chain snapshot of an EVM address: contract vs wallet, balance, tx count, and activity signal.$0.01 Baserejecting2 payers93% up
  21. 86url-risk-analyzer.pdfextractapi.workers.dev/analyzeAnalyze a URL's structure for phishing/typosquatting/impersonation risk signals.$0.01 Baserejecting2 payers93% up
  22. 86content-risk-scanner.pdfextractapi.workers.dev/scanScan untrusted text for prompt-injection and malicious-instruction attempts.$0.01 Baserejecting2 payers93% up
  23. 86email-validator.pdfextractapi.workers.dev/validateValidate an email address: syntax, live MX record check, and disposable-domain detection.$0.005 Baserejecting1 payers93% up
  24. 85api.strale.io/x402/pep-checkScreens an individual against the Politically Exposed Persons (PEP) database via Dilisense. Coverage spans 230+ geopolitical territories aligned with EU C/2023/724 PEP function definitions and includes Relatives and Close Associates (RCAs). Returns audit-…$0.054 Baserejecting1 payers80% up
  25. 85apibase.pro/api/v1/tools/nrel.afdc_stations_nearest/callNREL AFDC — Nearest Alt-Fuel Stations$0.002 Baserejecting–86% up
  26. 85apibase.pro/api/v1/tools/zenodo.search/callSearch Zenodo Research Records$0.001 Baserejecting–86% up
  27. 85apibase.pro/api/v1/tools/celestrak.intdes/callGet Satellite by International Designator$0.001 Baserejecting–86% up
  28. 85apibase.pro/api/v1/tools/eonet.events/callList Natural Disaster Events$0.001 Baserejecting–86% up
  29. 85apibase.pro/api/v1/tools/mygene.batch_genes/callBatch Fetch Multiple Genes$0.002 Baserejecting–86% up
  30. 85apibase.pro/api/v1/tools/wto.topics/callList WTO Data Topic Categories$0.001 Baserejecting–86% up
  31. 85apibase.pro/api/v1/tools/gfw.vessel.details/callGet Vessel Details$0.002 Baserejecting–86% up
  32. 85apibase.pro/api/v1/tools/brreg.entity/callBrreg Entity Detail$0.001 Baserejecting–86% up
  33. 83http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/checkout-preflightCheck whether an isolated cart can reach checkout and expose blockers without payment. It never logs in, creates an order or finalizes checkout. Base mainnet USDC$0.005 Baserejecting2 payers80% up
  34. 83http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/marketplace/listing-stateNormalize public marketplace listing activity, offer, seller, condition and quantity hints. eBay credentials are optional configuration; no buying, bidding or seller mutation is supported. Base mainnet USDC$0.003 Baserejecting2 payers80% up
  35. 83http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/quantity-preflightCheck a requested quantity against public variant constraints and known availability. Unknown stock remains unknown; this capability never reserves or purchases inventory. Base mainnet USDC$0.003 Baserejecting2 payers80% up
  36. 83http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/buyabilityReport whether a public item appears buyable with explicit blockers such as out-of-stock or unknown. This is a preflight only: it never signs in, buys, creates an order or guarantees checkout. Base mainnet USDC$0.003 Baserejecting2 payers80% up
  37. 83api.strale.io/x402/meta-extractExtract all metadata from a URL: Open Graph, Twitter cards, JSON-LD, favicon, canonical URL, RSS feeds, robots directives.$0.0324 Baserejecting1 payers77% up
  38. 83api.strale.io/x402/job-board-searchSearch job listings from national public employment services — Sweden (Arbetsförmedlingen), France (France Travail), US federal jobs (USAJOBS). Returns title, company, location, salary, URL.$0.216 Baserejecting1 payers77% up
  39. 83agrees-conditional-primarily-subsection.trycloudflare.com/signalJackal Move-Risk Signal: expected |move| over next 240 min with 10-year percentile, LOW/MED/HIGH tier, and plain-language ACTION. Magnitude (validated), not direction.$0.10 Baserejecting1 payers90% up
  40. 83wurkapi.fun/solana/heylolraid/small$1.00 solanarejecting–89% up
  41. 83wurkapi.fun/base/heylolraid$1.00 Baserejecting–89% up
  42. 83wurkapi.fun/base/heylolraid/small$1.00 Baserejecting–89% up
  43. 81api.strale.io/x402/lei-lookupLook up a Legal Entity Identifier (LEI) via the GLEIF database. Accepts a 20-character LEI or company name. Returns entity name, jurisdiction, addresses, registration status.$0.054 Baserejecting1 payers73% up
  44. 79grov.fun/api/base/xrepostsX (Twitter) Reposts via x402 on Base$1.00 Baserejecting–83% up
  45. 79apibase.pro/api/v1/tools/statistics-denmark.table_info/callStatistics Denmark Table Metadata$0.001 Baserejecting–75% up
  46. 79apibase.pro/api/v1/tools/celestrak.group/callGet Satellite Group Orbital Elements$0.001 Baserejecting–75% up
  47. 79apibase.pro/api/v1/tools/rxnorm.drug_class/callGet Drug Classification$0.001 Baserejecting–75% up
  48. 79apibase.pro/api/v1/tools/sunrisesunset.moon_phase/callSunriseSunset — Moon Phase & Lunar Times$0.001 Baserejecting–75% up
  49. 78wurkapi.fun/solana/heylolreposts$2.50 solanarejecting–89% up
  50. 78wurkapi.fun/solana/heylolraid$1.00 solanarejecting–89% up
  51. 77api.strale.io/x402/v2/belgian-company-dataLook up Belgian company data from the KBO/BCE Crossroads Bank for Enterprises via the CBEAPI.be JSON wrapper. Accepts enterprise number (10 digits, e.g. 0404.616.494), VAT-prefixed form (BE0404170701), or fuzzy company name. Returns name, status, juridica…$0.054 Baserejecting3 payers67% up
  52. 77http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/domain/mail-preflightMX/SPF/DMARC preflight; not mailbox verification. Base mainnet USDC$0.002 Baserejecting2 payers70% up
  53. 77api.signalnodus.ai/v1/holdings$0.05 Baserejecting–78% up
  54. 77apibase.pro/api/v1/tools/govuk.content/callGOV.UK Document Content$0.002 Baserejecting–71% up
  55. 77apibase.pro/api/v1/tools/irctc.train_status/callIRCTC Live Train Running Status$0.005 Baserejecting–71% up
  56. 77apibase.pro/api/v1/tools/eonet.event_detail/callGet Natural Event Detail$0.001 Baserejecting–71% up
  57. 77apibase.pro/api/v1/tools/rxnorm.ndc_lookup/callLook Up Drug by NDC Code$0.001 Baserejecting–71% up
  58. 77apibase.pro/api/v1/tools/ror.filter/callFilter Research Organizations$0.001 Baserejecting–71% up
  59. 77apibase.pro/api/v1/tools/ror.search/callSearch Research Organizations$0.001 Baserejecting–71% up
  60. 77apibase.pro/api/v1/tools/bls-macro.cpi/callConsumer Price Index (Inflation)$0.001 Baserejecting–71% up
  61. 77apibase.pro/api/v1/tools/avwx.station_summary/callAVWX Station Summary$0.003 Baserejecting–71% up
  62. 76http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/repo/file-preflightCheck lightweight metadata for a path in a public GitHub repository at an optional ref. It does not clone or download large file contents. Base mainnet USDC$0.002 Baserejecting2 payers60% up
  63. 76agenttoll.app/api/price/:symbolToken price lookup: spot price in USD and 24h change for a crypto asset, by ticker or CoinGecko id$0.001 Baserejecting2 payers60% up
  64. 75aayatai.com/wallet/riskwallet/risk ($0.005)$0.005 Baserejecting1 payers67% up
  65. 75agent402.vercel.app/mint$1.00 Baserejecting–75% up
  66. 74apibase.pro/api/v1/tools/sepa-scotland.stations_search/callSEPA Rainfall Station Search$0.001 Baserejecting–67% up
  67. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/docs/discoverPerform a bounded static discovery pass for machine-usable documentation: llms.txt, Markdown alternates, developer/API/auth docs, OpenAPI/Swagger and MCP candidates. Candidates are returned only after bounded verification. Maximum 10 HTTP requests, no JavaScript, recursive crawl or authenticated content. Base mainnet USDC$0.004 Baserejecting2 payers55% up
  68. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/domain/preflightResolve a bare public domain into operational registration, DNS, HTTPS/TLS and mail-policy state using IANA-routed RDAP, DNS, MX/TXT/SPF/DMARC and a bounded TLS probe. No registrant personal data, vulnerability scanning, mailbox existence or deliverability claim. Provider uncertainty is explicit. Base mainnet USDC$0.003 Baserejecting2 payers55% up
  69. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/package/preflightNormalize npm or PyPI package reality: existence, requested-version existence, resolved/latest version, staleness, deprecation/yank state when available, license and runtime requirement. No dependency graph or vulnerability analysis. Public registries only; unsupported provider fields are null. Base mainnet USDC$0.002 Baserejecting2 payers55% up
  70. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/release/asset-resolveResolve a public GitHub release into the most plausible downloadable asset for a normalized OS/architecture target, excluding source/signature/checksum files and linking checksum companions when present. Returns ambiguity instead of silently choosing tied candidates. No private repositories or customer authentication. Base mainnet USDC$0.003 Baserejecting2 payers55% up
  71. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/service/statusNormalize a public Atlassian Statuspage into operational, maintenance, degraded, partial_outage, major_outage or unknown state, with components, active incidents and scheduled maintenance. V1 accepts an explicit status-page URL; it does not discover arbitrary providers or infer hidden service health. Base mainnet USDC$0.002 Baserejecting2 payers55% up
  72. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/page/downloadsExtract PDF/CSV/XLS/XLSX/ZIP/JSON/XML links from static public HTML by suffix or download filename. Resolve relative/base links and deduplicate. Limits: 500 links, 8s, 5 redirects, 2 MiB. No JavaScript or file downloads; existence, MIME, size and file safety are unverified. Empty results are valid. Base mainnet USDC$0.003 Baserejecting2 payers55% up
  73. 73http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/url/preflightInspect a public URL with HEAD; GET only on 405/501. Return origin status, final URL, headers, cache validators and up to 5 redirects. Limits: 8s, 2 MiB. Origin 4xx/5xx are observations; length is unverified and SHA256 covers only complete GET bodies. No JavaScript, login or availability guarantee. Base mainnet USDC$0.001 Baserejecting2 payers55% up
  74. 73wurkapi.fun/solana/heylolfollowers$2.50 solanarejecting–89% up
  75. 73wurkapi.fun/solana/heylolcomments$2.50 solanarejecting–89% up
  76. 72api.signalnodus.ai/v1/latest$0.01 Baserejecting–78% up
  77. 72draconic21-x402-api.onrender.com/v1/bazaar_research_sliceAgent Demand Radar (dated provider-reported usage)$0.05 Baserejecting–63% up
  78. 72apibase.pro/api/v1/tools/fcc.regulatory.proceedings/callFCC Regulatory Proceedings Search$0.001 Baserejecting–63% up
  79. 72apibase.pro/api/v1/tools/unsdg.geo.countries/callUN SDG Geo Areas$0.001 Baserejecting–63% up
  80. 72apibase.pro/api/v1/tools/nasantrs.report/callGet NASA Technical Report Details$0.001 Baserejecting–63% up
  81. 72apibase.pro/api/v1/tools/mychem.batch_query/callBatch Query Chemical Compounds$0.002 Baserejecting–63% up
  82. 72apibase.pro/api/v1/tools/wto.reporters/callList WTO Reporting Economies$0.001 Baserejecting–63% up
  83. 72apibase.pro/api/v1/tools/sdwis.violations/callSearch Drinking Water Violations$0.002 Baserejecting–63% up
  84. 72apibase.pro/api/v1/tools/bls-macro.series/callBLS Time Series Lookup$0.002 Baserejecting–63% up
  85. 72apibase.pro/api/v1/tools/cernopendata.detail/callCERN Open Data Record Detail$0.001 Baserejecting–63% up
  86. 72apibase.pro/api/v1/tools/opentopodata.point/callOpen Topo Data — Single Point Elevation$0.001 Baserejecting–63% up
  87. 72apibase.pro/api/v1/tools/irail.disturbances/calliRail Service Disturbances$0.001 Baserejecting–63% up
  88. 72apibase.pro/api/v1/tools/unhcr.asylum_applications/callUNHCR Asylum Applications$0.001 Baserejecting–63% up
  89. 71http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/delivery-optionsReport public delivery options for an isolated ephemeral cart and destination when the provider exposes them. No customer cart, payment or order is touched. Base mainnet USDC$0.006 Baserejecting2 payers60% up
  90. 71http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/marketplace/seller-stateReturn seller identity and publicly published seller signals for a marketplace listing. Missing feedback or business fields remain null; no customer or seller account access is attempted. Base mainnet USDC$0.003 Baserejecting2 payers60% up
  91. 71http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/changedCheaply detect material public product changes in price, availability, selected variant or seller using a deterministic hash. Timestamps, images and analytics noise are excluded. Base mainnet USDC$0.001 Baserejecting2 payers60% up
  92. 71http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/job/apply-routeReturn the current public application route; do not submit application. Base mainnet USDC$0.002 Baserejecting2 payers60% up
  93. 71http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/mcp/discoverFind public MCP server candidates and registry metadata. Base mainnet USDC$0.003 Baserejecting2 payers60% up
  94. 71http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/service/component-statusResolve the live state of a named service component. Base mainnet USDC$0.002 Baserejecting2 payers60% up
  95. 71http--forest-gas-station--lcjl27p8lmjs.code.run/release/preflightCheck whether a repository has a usable latest/tagged release before deployment/download.$0.002 Base Sepoliarejecting1 payers60% up
  96. 71agenttoll.app/api/watch/price/:symbolPrice alert check: whether an asset moved past your threshold from a reference price$0.001 Baserejecting1 payers60% up
  97. 71agenttoll.app/api/base/name/:nameOrAddressBasename lookup both ways: a name returns its address and text records, an address returns its primary basename$0.001 Baserejecting1 payers60% up
  98. 71grov.fun/api/base/instalikesInstagram Likes via x402 on Base$0.125 Baserejecting–70% up
  99. 70webtools402.176-109-107-191.sslip.io/searchFree-text web search for AI agents: ranked title/url/snippet results fused across multiple engines (Brave, Google, DuckDuckGo, Mojeek, Startpage, Yahoo), with freshness filters (past day/week/month/year), region/locale and SafeSearch. One call for grounded, up-to-date web results — no keys, no scraping setup.$0.001 Baserejecting1 payers50% up
  100. 69http--forest-gas-station--lcjl27p8lmjs.code.run/page/downloadsExtract PDF/CSV/XLS/XLSX/ZIP/JSON/XML links from static public HTML by suffix or download filename. Resolve relative/base links and deduplicate. Limits: 500 links, 8s, 5 redirects, 2 MiB. No JavaScript or file downloads; existence, MIME, size and file safety are unverified. Empty results are valid. 0.003 Base Sepolia test USDC per success; invalid inputs/errors are not settled.$0.003 Base Sepoliarejecting2 payers57% up