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. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/ounce-to-gramConvert avoirdupois ounces to grams for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base22 ms–100% up
  2. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/ounce-to-short-tonConvert avoirdupois ounces to US short tons for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base148 ms–100% up
  3. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/metric-tonne-to-short-tonConvert metric tonnes to US short tons for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base14 ms–100% up
  4. 94x402-agent.kariguetoazul.workers.dev/api/units/time/second-to-microsecondConvert seconds to microseconds for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base31 ms–100% up
  5. 94x402-agent.kariguetoazul.workers.dev/api/units/time/minute-to-millisecondConvert minutes to milliseconds for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base23 ms–100% up
  6. 94www.x402scan.com/api/x402/merchants/%7Baddress%7D/statsAggregate stats for a merchant$0.01 Base222 ms–100% up
  7. 94www.x402scan.com/api/x402/wallets/%7Baddress%7D/statsAggregate stats for a wallet (tx count, total amount, unique recipients)$0.01 Base257 ms–100% up
  8. 94x402-agent.kariguetoazul.workers.dev/api/units/area/square-centimeter-to-hectareConvert square centimetres to hectares 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 Base20 ms–100% up
  9. 94x402-agent.kariguetoazul.workers.dev/api/units/area/hectare-to-square-centimeterConvert hectares to square centimetres 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 Base23 ms–100% up
  10. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/milligram-to-ounceConvert milligrams to avoirdupois ounces for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base17 ms–100% up
  11. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/stone-to-ounceConvert stones to avoirdupois ounces for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base204 ms–100% up
  12. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/cubic-foot-to-imperial-gallonConvert cubic feet to imperial gallons 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 Base195 ms–100% up
  13. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/us-gallon-to-cubic-inchConvert US liquid gallons to cubic inches 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 Base133 ms–100% up
  14. 94x402-agent.kariguetoazul.workers.dev/api/units/time/microsecond-to-fortnightConvert microseconds to 14-day fortnights for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base22 ms–100% up
  15. 94x402-agent.kariguetoazul.workers.dev/api/units/time/day-to-fortnightConvert 24-hour days to 14-day fortnights for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base177 ms–100% up
  16. 94x402-agent.kariguetoazul.workers.dev/api/units/speed/kilometer-per-hour-to-meter-per-secondConvert kilometres per hour to metres 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 Base172 ms–100% up
  17. 94x402-agent.kariguetoazul.workers.dev/api/units/speed/centimeter-per-second-to-meter-per-minuteConvert centimetres per second to metres per minute 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 Base20 ms–100% up
  18. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/cubic-inch-to-cubic-centimeterConvert cubic inches 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 Base16 ms–100% up
  19. 94rent-check-production.up.railway.app/v1/purchase-costHow much does it cost to buy a home in Ireland? Stamp duty, Help to Buy upper bound, LPT note, indicative legal fees and Central Bank mortgage rule checks. Information, not advice$0.01 Base270 ms–100% up
  20. 94x402-agent.kariguetoazul.workers.dev/api/units/time/second-to-hourConvert seconds to hours for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base20 ms–100% up
  21. 94x402-agent.kariguetoazul.workers.dev/api/units/time/millisecond-to-fortnightConvert milliseconds to 14-day fortnights for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base22 ms–100% up
  22. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/cubic-meter-to-milliliterConvert cubic metres to millilitres 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 Base14 ms–100% up
  23. 94x402-agent.kariguetoazul.workers.dev/api/units/volume/cubic-inch-to-imperial-gallonConvert cubic inches to imperial gallons 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 Base29 ms–100% up
  24. 94x402-agent.kariguetoazul.workers.dev/api/units/time/fortnight-to-weekConvert 14-day fortnights to 7-day weeks for time. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the time converter, not a separate data provider.$0.001 Base18 ms–100% up
  25. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/spendUse when you need where x402 money actually goes, not just where listings are: estimated 30-day spend (listed price x paid calls) and spend share per chain and per tag next to listing share, the average price per paid call and the spend-weighted median price, API-call spend separated from goods purchases, plus on-chain USDC transfers to listed payTo addresses per chain, split into API-sized (up to $1) and larger transfers. Calls are labelled as paid outcomes. $0.002 USDC per call.$0.002 Base48 ms–100% up
  26. 94gateway-wallet-payments.jerryrnapier.workers.dev/api/agent/v1/services/website-scannerOne asynchronous public website opportunity report; up to 15 accessible pages.$49.00 Base285 ms–100% up
  27. 94api.mach.gallery/api/base/gas-priceGet the current gas price on Base mainnet in wei for transaction fee estimation.$0.005 Base86 ms–100% up
  28. 9472-56-90-243.sslip.io/v1/util/uuidGenerate UUIDs$0.001 Base91 ms–100% up
  29. 9472-56-90-243.sslip.io/v1/util/jwt-decodeDecode JWT$0.001 Base92 ms–100% up
  30. 94206-81-14-131.sslip.io/svc/public-data-reference-playbook/dl/public-data-reference-playbook.mdFull playbook: design and maintain cited public reference tables with freshness, licensing, validation, and change-contr$0.25 Base265 ms–100% up
  31. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/domain/reportUse when you need one report on a domain: DNS records (A, AAAA, MX, NS, TXT, CAA) with SPF and DMARC parsed, RDAP registration for .com, .net and .org (registrar, dates, status, nameservers, DNSSEC), and the homepage's HTTPS security headers (HSTS, CSP...) with HTTP-to-HTTPS redirect and rule-based findings. Sections not answered are marked. $0.002 USDC per call. Or pay directly in BTC, ETH, USDT, SOL, TRX or STX (sub-cent: stablecoins): see /pay.$0.002 Base34 ms–100% up
  32. 94gas-optical-production-30aa.up.railway.app/whale-watchWhale Watch$0.001 Base263 ms–100% up
  33. 94stableenrich.dev/api/serper/imagesSerper - Google Images search$0.04 Base248 ms–100% up
  34. 94stableenrich.dev/api/whitepages/property-searchWhitepages Property Search — property ownership and residents by address. Use street (aliases: address, street_line, street_address), state_code (not state), zipcode (not zip/postal_code). No indexed property record returns 200 { result: null }, not 404.$0.22 solana257 ms–100% up
  35. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/wallet/balanceUse when you need a wallet's token balances on several chains in one call: native coin plus USDC, USDT, DAI, WETH, WBTC/cbBTC on Ethereum, Base, Arbitrum and Polygon. Pass address (0x or an ENS name like vitalik.eth, resolved on Ethereum) and optional chains. Exact on-chain amounts with block numbers; a chain that fails is listed in errors, never shown as zero. No USD prices. $0.002 USDC per call. Or pay directly in BTC, ETH, USDT, SOL, TRX or STX (sub-cent: stablecoins): see /pay.$0.002 Base32 ms–100% up
  36. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-exaHighest-demand x402 services tagged 'Exa': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 5 providers and 259 paying wallets measured in this tag.$0.008 Base230 ms–100% up
  37. 94creator-desk-x402-isolated.onrender.com/v1/utility/byte-countDeterministic utility: byte count$0.01 Base36 ms–100% up
  38. 94creator-desk-x402-isolated.onrender.com/v1/utility/regex-escapeDeterministic utility: regex escape$0.01 Base65 ms–100% up
  39. 94creator-desk-x402-isolated.onrender.com/v1/utility/join-linesDeterministic utility: join lines$0.01 Base40 ms–100% up
  40. 94creator-desk-x402-isolated.onrender.com/v1/utility/mime-normalizeDeterministic utility: mime normalize$0.01 Base38 ms–100% up
  41. 94creator-desk-x402-isolated.onrender.com/v1/utility/object-from-entriesDeterministic utility: object from entries$0.01 Base79 ms–100% up
  42. 94creator-desk-x402-isolated.onrender.com/v1/utility/json-merge-shallowDeterministic utility: json merge shallow$0.01 Base65 ms–100% up
  43. 94creator-desk-x402-isolated.onrender.com/v1/utility/accept-header-parseDeterministic utility: accept header parse$0.01 Base35 ms–100% up
  44. 94creator-desk-x402-isolated.onrender.com/v1/utility/bearer-header-shapeDeterministic utility: bearer header shape$0.01 Base47 ms–100% up
  45. 94creator-desk-x402-isolated.onrender.com/v1/utility/canonical-normalizeDeterministic utility: canonical normalize$0.01 Base63 ms–100% up
  46. 94creator-desk-x402-isolated.onrender.com/v1/utility/json-prettyDeterministic utility: json pretty$0.01 Base69 ms–100% up
  47. 94creator-desk-x402-isolated.onrender.com/v1/utility/reverse-linesDeterministic utility: reverse lines$0.01 Base48 ms–100% up
  48. 94creator-desk-x402-isolated.onrender.com/v1/utility/unique-linesDeterministic utility: unique lines$0.01 Base53 ms–100% up
  49. 94creator-desk-x402-isolated.onrender.com/v1/utility/etag-quoteDeterministic utility: etag quote$0.01 Base88 ms–100% up
  50. 94creator-desk-x402-isolated.onrender.com/v1/utility/og-property-normalizeDeterministic utility: og property normalize$0.01 Base33 ms–100% up
  51. 94geld-machen-x402.fly.dev/product/payment-receipt-auditor.jsonPayment Receipt Auditor ($0.02 USDC Base)$0.02 Base245 ms–100% up
  52. 94creator-desk-x402-isolated.onrender.com/v1/utility/number-clampDeterministic utility: number clamp$0.01 Base49 ms–100% up
  53. 94creator-desk-x402-isolated.onrender.com/v1/utility/json-typeDeterministic utility: json type$0.01 Base64 ms–100% up
  54. 94creator-desk-x402-isolated.onrender.com/v1/utility/ipv6-validateDeterministic utility: ipv6 validate$0.01 Base60 ms–100% up
  55. 94creator-desk-x402-isolated.onrender.com/v1/utility/uuid-validateDeterministic utility: uuid validate$0.01 Base42 ms–100% up
  56. 94www.cloudworldmodel.ai/api/multi-cloud/jobs/%7BjobId%7D/streamFetch a real-time stream of multi-cloud exploration results$0.003 292 ms–100% up
  57. 94toolbelt402.catalystdesk.workers.dev/v1/x402-checkValidate any x402 endpoint: 402 challenge, accepts[], atomic amounts, bazaar extension, OpenAPI. Score 0-100 + fixes.$0.01 Base166 ms–100% up
  58. 94creator-desk-x402-isolated.onrender.com/v1/utility/markdown-table-from-jsonDeterministic utility: markdown table from json$0.01 Base36 ms–100% up
  59. 94creator-desk-x402-isolated.onrender.com/v1/utility/suffix-linesDeterministic utility: suffix lines$0.01 Base46 ms–100% up
  60. 94creator-desk-x402-isolated.onrender.com/v1/utility/semver-validateDeterministic utility: semver validate$0.01 Base40 ms–100% up
  61. 94creator-desk-x402-isolated.onrender.com/v1/utility/bytes-to-kbDeterministic utility: bytes to kb$0.01 Base63 ms–100% up
  62. 94creator-desk-x402-isolated.onrender.com/v1/utility/sha256Deterministic utility: sha256$0.01 Base37 ms–100% up
  63. 94creator-desk-x402-isolated.onrender.com/v1/utility/base64-encodeDeterministic utility: base64 encode$0.01 Base69 ms–100% up
  64. 94creator-desk-x402-isolated.onrender.com/v1/utility/csv-row-countDeterministic utility: csv row count$0.01 Base78 ms–100% up
  65. 94creator-desk-x402-isolated.onrender.com/v1/utility/slugifyDeterministic utility: slugify$0.01 Base33 ms–100% up
  66. 94creator-desk-x402-isolated.onrender.com/v1/utility/word-countDeterministic utility: word count$0.01 Base70 ms–100% up
  67. 94creator-desk-x402-isolated.onrender.com/v1/utility/null-countDeterministic utility: null count$0.01 Base88 ms–100% up
  68. 94creator-desk-x402-isolated.onrender.com/v1/utility/link-rel-parseDeterministic utility: link rel parse$0.01 Base89 ms–100% up
  69. 94www.cloudworldmodel.ai/api/simulations/%7BsimulationId%7D/provider-api-limitsSimulate provider quotas, throttling, retries, and concurrency$0.003 279 ms–100% up
  70. 94creator-desk-x402-isolated.onrender.com/v1/agent/preflightInspect public A2A and x402 counterparty surfaces before routing$0.02 Base46 ms–100% up
  71. 94creator-desk-x402-isolated.onrender.com/v1/utility/hostname-normalizeDeterministic utility: hostname normalize$0.01 Base43 ms–100% up
  72. 94creator-desk-x402-isolated.onrender.com/v1/utility/array-sort-stringsDeterministic utility: array sort strings$0.01 Base36 ms–100% up
  73. 94creator-desk-x402-isolated.onrender.com/v1/utility/currency-code-normalizeDeterministic utility: currency code normalize$0.01 Base50 ms–100% up
  74. 94creator-desk-x402-isolated.onrender.com/v1/commerce/readinessVerify ecommerce/storefront work before reporting completion$0.05 Base37 ms–100% up
  75. 94creator-desk-x402-isolated.onrender.com/v1/utility/ipv4-validateDeterministic utility: ipv4 validate$0.01 Base61 ms–100% up
  76. 94creator-desk-x402-isolated.onrender.com/v1/site/crawl-configInspect robots.txt crawler configuration and sitemap declarations$0.002 Base44 ms–100% up
  77. 94creator-desk-x402-isolated.onrender.com/v1/web/evidenceCheck source-page text presence for agent evidence$0.005 Base36 ms–100% up
  78. 94creator-desk-x402-isolated.onrender.com/v1/json/extractProject exact fields from a public JSON API/resource$0.003 Base42 ms–100% up
  79. 94creator-desk-x402-isolated.onrender.com/v1/web/broken-linksCheck 1-20 public HTTPS URLs for broken links$0.02 Base70 ms–100% up
  80. 94creator-desk-x402-isolated.onrender.com/v1/utility/heading-level-parseDeterministic utility: heading level parse$0.01 Base48 ms–100% up
  81. 94creator-desk-x402-isolated.onrender.com/v1/web/extractRead a public HTML page into structured JSON$0.005 Base34 ms–100% up
  82. 94creator-desk-x402-isolated.onrender.com/v1/data/convertConvert flat tabular data between CSV, TSV, JSON and Markdown$0.003 Base53 ms–100% up
  83. 94creator-desk-x402-isolated.onrender.com/v1/utility/unix-time-to-isoDeterministic utility: unix time to iso$0.01 Base46 ms–100% up
  84. 94creator-desk-x402-isolated.onrender.com/v1/url/inspectInspect a public HTTPS URL or deployment$0.005 Base62 ms–100% up
  85. 94creator-desk-x402-isolated.onrender.com/v1/utility/case-upperDeterministic utility: case upper$0.01 Base32 ms–100% up
  86. 94creator-desk-x402-isolated.onrender.com/v1/utility/object-pickDeterministic utility: object pick$0.01 Base38 ms–100% up
  87. 94creator-desk-x402-isolated.onrender.com/v1/utility/alt-text-presenceDeterministic utility: alt text presence$0.01 Base38 ms–100% up
  88. 94creator-desk-x402-isolated.onrender.com/v1/utility/country-code-normalizeDeterministic utility: country code normalize$0.01 Base52 ms–100% up
  89. 94creator-desk-x402-isolated.onrender.com/v1/utility/price-minor-unitsDeterministic utility: price minor units$0.01 Base53 ms–100% up
  90. 94api.loopholetape.com/v1/mint/%7Bmint%7D/flowList who bought and sold one pump.fun memecoin, by trade$0.01 solana287 ms–100% up
  91. 94api.loopholetape.com/v1/verdict/%7Bmint%7DGet a rug pull risk verdict for one pump.fun Solana token$0.01 solana284 ms–100% up
  92. 94eu-compliance-desk.catalystdesk.workers.dev/v1/gpsr/warningsGPSR safety warnings (14 core warnings: choking/small parts, candles/fire, children/pets, not a toy, cords/strangulation, jewelry, skin irritation, food-contact, damage, packaging) in any of 24 EU languages. Query: ids=W01,W03 (optional), langs=DE,FR (optional).$0.01 Base296 ms–100% up
  93. 94funding-feed.kaminariouji.workers.dev/feedCross-exchange perpetual funding rates, funding arbitrage spreads and open interest across 7 exchanges$0.005 Base18 ms–100% up
  94. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-geographyHighest-demand x402 services tagged 'geography': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 5 providers and 8 paying wallets measured in this tag.$0.0352 Base34 ms–100% up
  95. 94factstamp.agentrails.workers.dev/mcpMCP Streamable HTTP (x402 on paid tools)$0.05 Base261 ms–100% up
  96. 94x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/weatherUse when you need a weather forecast for a latitude/longitude anywhere in the world: hourly temperature, wind speed and direction, humidity, pressure, cloud cover, precipitation and weather symbol for the next 1-240 hours from MET Norway, plus active official NWS alerts (event, severity, headline) for points in the United States. CC BY 4.0 attribution in every reply. $0.001 USDC per call. Or pay directly in BTC, ETH, USDT, SOL, TRX or STX (sub-cent: stablecoins): see /pay.$0.001 Base23 ms–100% up
  97. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/long-ton-to-microgramConvert imperial long tons to micrograms for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base140 ms–100% up
  98. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/stone-to-metric-tonneConvert stones to metric tonnes for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base153 ms–100% up
  99. 94x402-agent.kariguetoazul.workers.dev/api/units/digital-storage/kilobyte-to-terabyteConvert decimal kilobytes (1000 B) to decimal terabytes for digital-storage. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the digital-storage converter, not a separate data provider.$0.001 Base267 ms–100% up
  100. 94funding-feed.kaminariouji.workers.dev/ipGeolocate an IPv4/IPv6 address: country, city, coordinates, ASN, ISP and timezone$0.005 Base176 ms–100% up