x402watch

19,857 paid endpoints are listed. 19,030 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 2026-10-01 06:03 UTC · 19,857 probed

19,030 answering 402285 down414 rejecting128 no paywall2,412 price drift
  1. 100agentshelf.syntexa.ch/v1/regex-vinCall when an agent needs VIN-shaped tokens extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/regex-vin first.$0.008 Base134 ms1 payers100% up
  2. 100agentshelf.syntexa.ch/v1/regex-bicCall when an agent needs BIC codes extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/regex-bic first.$0.007 Base137 ms1 payers100% up
  3. 100agentshelf.syntexa.ch/v1/regex-wikidataCall when an agent needs Wikidata Q ids extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/regex-wikidata first.$0.006 Base134 ms1 payers100% up
  4. 100agentshelf.syntexa.ch/v1/regex-orcidCall when an agent needs ORCID iDs extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/regex-orcid first.$0.005 Base134 ms1 payers100% up
  5. 100agentshelf.syntexa.ch/v1/regex-iso-weekCall when an agent needs ISO week dates extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/regex-iso-week first.$0.004 Base137 ms1 payers100% up
  6. 100agentshelf.syntexa.ch/v1/regex-time-secCall when an agent needs HH:MM:SS times extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/regex-time-sec first.$0.003 Base137 ms1 payers100% up
  7. 100agentshelf.syntexa.ch/v1/regex-timeCall when an agent needs HH:MM times extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/regex-time first.$0.002 Base138 ms1 payers100% up
  8. 100agentshelf.syntexa.ch/v1/regex-arxivCall when an agent needs arXiv identifiers extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/regex-arxiv first.$0.001 Base137 ms1 payers100% up
  9. 100agentshelf.syntexa.ch/v1/regex-eanCall when an agent needs EAN-13 digit strings extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/regex-ean first.$0.01 Base134 ms1 payers100% up
  10. 100agentshelf.syntexa.ch/v1/regex-cidrCall when an agent needs IPv4 CIDR blocks extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/regex-cidr first.$0.009 Base136 ms1 payers100% up
  11. 100agentshelf.syntexa.ch/v1/regex-isbnCall when an agent needs ISBN-13 digit strings extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/regex-isbn first.$0.008 Base136 ms1 payers100% up
  12. 100agentshelf.syntexa.ch/v1/regex-credit-cardCall when an agent needs 13–19 digit card-shaped numbers extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/regex-credit-card first.$0.007 Base135 ms1 payers100% up
  13. 100agentshelf.syntexa.ch/v1/regex-jwtCall when an agent needs JWT-shaped tokens (no verify) extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/regex-jwt first.$0.006 Base136 ms1 payers100% up
  14. 100agentshelf.syntexa.ch/v1/regex-sha256Call when an agent needs SHA-256 hex digests extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/regex-sha256 first.$0.005 Base136 ms1 payers100% up
  15. 100agentshelf.syntexa.ch/v1/regex-md5Call when an agent needs MD5 hex digests extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/regex-md5 first.$0.004 Base136 ms1 payers100% up
  16. 100agentshelf.syntexa.ch/v1/regex-doiCall when an agent needs DOI identifiers extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/regex-doi first.$0.003 Base137 ms1 payers100% up
  17. 100agentshelf.syntexa.ch/v1/regex-domainCall when an agent needs domain names extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/regex-domain first.$0.002 Base137 ms1 payers100% up
  18. 100agentshelf.syntexa.ch/v1/regex-phoneCall when an agent needs E.164-shaped phones extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/regex-phone first.$0.001 Base138 ms1 payers100% up
  19. 100agentshelf.syntexa.ch/v1/regex-iso-dateCall when an agent needs ISO dates extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/regex-iso-date first.$0.01 Base137 ms1 payers100% up
  20. 100agentshelf.syntexa.ch/v1/regex-mentionCall when an agent needs at-mentions extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/regex-mention first.$0.009 Base136 ms1 payers100% up
  21. 100agentshelf.syntexa.ch/v1/regex-hashtagCall when an agent needs hashtags extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/regex-hashtag first.$0.008 Base136 ms1 payers100% up
  22. 100agentshelf.syntexa.ch/v1/regex-ibanCall when an agent needs IBAN-shaped tokens extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/regex-iban first.$0.007 Base137 ms1 payers100% up
  23. 100agentshelf.syntexa.ch/v1/regex-macCall when an agent needs colon MAC addresses extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/regex-mac first.$0.006 Base134 ms1 payers100% up
  24. 100agentshelf.syntexa.ch/v1/regex-ulidCall when an agent needs ULIDs extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/regex-ulid first.$0.005 Base135 ms1 payers100% up
  25. 100agentshelf.syntexa.ch/v1/regex-uuidCall when an agent needs UUIDs extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/regex-uuid first.$0.004 Base138 ms1 payers100% up
  26. 100agentshelf.syntexa.ch/v1/regex-semverCall when an agent needs semver tokens extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/regex-semver first.$0.003 Base138 ms1 payers100% up
  27. 100agentshelf.syntexa.ch/v1/regex-hex-colorCall when an agent needs hex colors extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/regex-hex-color first.$0.002 Base136 ms1 payers100% up
  28. 100agentshelf.syntexa.ch/v1/regex-ipv6Call when an agent needs IPv6 addresses extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/regex-ipv6 first.$0.001 Base137 ms1 payers100% up
  29. 100agentshelf.syntexa.ch/v1/regex-ipv4Call when an agent needs IPv4 addresses extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/regex-ipv4 first.$0.01 Base136 ms1 payers100% up
  30. 100agentshelf.syntexa.ch/v1/regex-urlCall when an agent needs http(s) URLs extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/regex-url first.$0.009 Base136 ms1 payers100% up
  31. 100agentshelf.syntexa.ch/v1/regex-emailCall when an agent needs email addresses extracted from text, capped at 20 matches. An empty match list is billed. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/regex-email first.$0.008 Base137 ms1 payers100% up
  32. 100agentshelf.syntexa.ch/v1/check-latlonCall when an agent needs whether a string is a latitude,longitude pair in range. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-latlon first.$0.007 Base133 ms1 payers100% up
  33. 100agentshelf.syntexa.ch/v1/check-plus-codeCall when an agent needs whether a string is a full Open Location Code. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-plus-code first.$0.006 Base140 ms1 payers100% up
  34. 100agentshelf.syntexa.ch/v1/check-jwt-shapeCall when an agent needs whether a token has a JWT header shape. No signature check. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-jwt-shape first.$0.005 Base140 ms1 payers100% up
  35. 100agentshelf.syntexa.ch/v1/check-mimeCall when an agent needs whether a string is a type/subtype media type. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-mime first.$0.004 Base141 ms1 payers100% up
  36. 100agentshelf.syntexa.ch/v1/check-mac-dotCall when an agent needs whether a string is a Cisco dotted MAC address. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-mac-dot first.$0.003 Base138 ms1 payers100% up
  37. 100agentshelf.syntexa.ch/v1/check-mac-dashCall when an agent needs whether a string is a dash-separated MAC address. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-mac-dash first.$0.002 Base136 ms1 payers100% up
  38. 100agentshelf.syntexa.ch/v1/check-mac-colonCall when an agent needs whether a string is a colon-separated MAC address. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-mac-colon first.$0.001 Base139 ms1 payers100% up
  39. 100agentshelf.syntexa.ch/v1/check-ip-cidr6Call when an agent needs whether a string is an IPv6 CIDR prefix. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-ip-cidr6 first.$0.01 Base138 ms1 payers100% up
  40. 100agentshelf.syntexa.ch/v1/check-ip-cidr4Call when an agent needs whether a string is an IPv4 CIDR prefix. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-ip-cidr4 first.$0.009 Base139 ms1 payers100% up
  41. 100agentshelf.syntexa.ch/v1/check-ip-ipv6Call when an agent needs whether a string is an IPv6 address. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-ip-ipv6 first.$0.008 Base140 ms1 payers100% up
  42. 100agentshelf.syntexa.ch/v1/check-ip-ipv4Call when an agent needs whether a string is an IPv4 address. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-ip-ipv4 first.$0.007 Base139 ms1 payers100% up
  43. 100agentshelf.syntexa.ch/v1/check-hostname-idnCall when an agent needs whether a string is a hostname that may use Unicode labels. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-hostname-idn first.$0.006 Base140 ms1 payers100% up
  44. 100agentshelf.syntexa.ch/v1/check-hostnameCall when an agent needs whether a string is an ASCII DNS hostname. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-hostname first.$0.005 Base138 ms1 payers100% up
  45. 100agentshelf.syntexa.ch/v1/check-date-unix-msCall when an agent needs whether a string is 13-digit Unix milliseconds. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-date-unix-ms first.$0.004 Base139 ms1 payers100% up
  46. 100agentshelf.syntexa.ch/v1/check-date-unix-sCall when an agent needs whether a string is 10-digit Unix seconds. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-date-unix-s first.$0.003 Base137 ms1 payers100% up
  47. 100agentshelf.syntexa.ch/v1/check-date-durationCall when an agent needs whether a string is an ISO-8601 duration. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-date-duration first.$0.002 Base134 ms1 payers100% up
  48. 100agentshelf.syntexa.ch/v1/check-date-datetimeCall when an agent needs whether a string is an ISO datetime with a Z suffix. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-date-datetime first.$0.001 Base135 ms1 payers100% up
  49. 100agentshelf.syntexa.ch/v1/check-date-dateCall when an agent needs whether a string is a real YYYY-MM-DD date. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-date-date first.$0.01 Base139 ms1 payers100% up
  50. 100agentshelf.syntexa.ch/v1/check-color-namedCall when an agent needs whether a string is one of a small CSS color name set. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-color-named first.$0.009 Base138 ms1 payers100% up
  51. 100agentshelf.syntexa.ch/v1/check-color-hslCall when an agent needs whether a string is an hsl() color. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-color-hsl first.$0.008 Base138 ms1 payers100% up
  52. 100agentshelf.syntexa.ch/v1/check-color-rgbCall when an agent needs whether a string is an rgb() color. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-color-rgb first.$0.007 Base140 ms1 payers100% up
  53. 100agentshelf.syntexa.ch/v1/check-color-hexCall when an agent needs whether a string is a hex color. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-color-hex first.$0.006 Base137 ms1 payers100% up
  54. 100agentshelf.syntexa.ch/v1/check-cron-6Call when an agent needs whether a string is a 6-field cron expression. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-cron-6 first.$0.005 Base141 ms1 payers100% up
  55. 100agentshelf.syntexa.ch/v1/check-cron-5Call when an agent needs whether a string is a 5-field cron expression. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-cron-5 first.$0.004 Base139 ms1 payers100% up
  56. 100agentshelf.syntexa.ch/v1/check-semver-tildeCall when an agent needs whether a string is a tilde semver range. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-semver-tilde first.$0.003 Base136 ms1 payers100% up
  57. 100agentshelf.syntexa.ch/v1/check-semver-caretCall when an agent needs whether a string is a caret semver range. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-semver-caret first.$0.002 Base137 ms1 payers100% up
  58. 100agentshelf.syntexa.ch/v1/check-semver-looseCall when an agent needs whether a string is semver with an optional leading v. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-semver-loose first.$0.001 Base136 ms1 payers100% up
  59. 100agentshelf.syntexa.ch/v1/check-semver-strictCall when an agent needs whether a string is strict semver without a leading v. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-semver-strict first.$0.01 Base137 ms1 payers100% up
  60. 100agentshelf.syntexa.ch/v1/check-schema-2020-12Call when an agent needs a limited JSON Schema 2020-12 check. Dialects disagree on exclusive bounds and format. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-schema-2020-12 first.$0.009 Base138 ms1 payers100% up
  61. 100agentshelf.syntexa.ch/v1/check-schema-2019-09Call when an agent needs a limited JSON Schema 2019-09 check. Dialects disagree on exclusive bounds and format. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-schema-2019-09 first.$0.008 Base140 ms1 payers100% up
  62. 100agentshelf.syntexa.ch/v1/check-schema-draft-07Call when an agent needs a limited JSON Schema draft-07 check. Dialects disagree on exclusive bounds and format. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-schema-draft-07 first.$0.007 Base138 ms1 payers100% up
  63. 100agentshelf.syntexa.ch/v1/check-schema-draft-06Call when an agent needs a limited JSON Schema draft-06 check. Dialects disagree on exclusive bounds and format. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-schema-draft-06 first.$0.006 Base138 ms1 payers100% up
  64. 100agentshelf.syntexa.ch/v1/check-schema-draft-04Call when an agent needs a limited JSON Schema draft-04 check. Dialects disagree on exclusive bounds and format. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-schema-draft-04 first.$0.005 Base137 ms1 payers100% up
  65. 100agentshelf.syntexa.ch/v1/check-vat-hrCall when an agent needs whether a HR VAT checksum is valid. No registry lookup. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-vat-hr first.$0.004 Base137 ms1 payers100% up
  66. 100agentshelf.syntexa.ch/v1/check-vat-bgCall when an agent needs whether a BG VAT checksum is valid. No registry lookup. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-vat-bg first.$0.003 Base136 ms1 payers100% up
  67. 100agentshelf.syntexa.ch/v1/check-vat-roCall when an agent needs whether a RO VAT checksum is valid. No registry lookup. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-vat-ro first.$0.002 Base136 ms1 payers100% up
  68. 100agentshelf.syntexa.ch/v1/check-vat-eeCall when an agent needs whether a EE VAT checksum is valid. No registry lookup. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-vat-ee first.$0.001 Base133 ms1 payers100% up
  69. 100agentshelf.syntexa.ch/v1/check-vat-skCall when an agent needs whether a SK VAT checksum is valid. No registry lookup. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-vat-sk first.$0.01 Base135 ms1 payers100% up
  70. 100agentshelf.syntexa.ch/v1/check-vat-siCall when an agent needs whether a SI VAT checksum is valid. No registry lookup. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-vat-si first.$0.009 Base136 ms1 payers100% up
  71. 100agentshelf.syntexa.ch/v1/check-vat-huCall when an agent needs whether a HU VAT checksum is valid. No registry lookup. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-vat-hu first.$0.008 Base134 ms1 payers100% up
  72. 100agentshelf.syntexa.ch/v1/check-vat-ptCall when an agent needs whether a PT VAT checksum is valid. No registry lookup. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-vat-pt first.$0.007 Base137 ms1 payers100% up
  73. 100agentshelf.syntexa.ch/v1/check-vat-esCall when an agent needs whether a ES VAT checksum is valid. No registry lookup. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-vat-es first.$0.006 Base136 ms1 payers100% up
  74. 100agentshelf.syntexa.ch/v1/check-vat-itCall when an agent needs whether a IT VAT checksum is valid. No registry lookup. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-vat-it first.$0.005 Base135 ms1 payers100% up
  75. 100agentshelf.syntexa.ch/v1/check-vat-fiCall when an agent needs whether a FI VAT checksum is valid. No registry lookup. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-vat-fi first.$0.004 Base134 ms1 payers100% up
  76. 100agentshelf.syntexa.ch/v1/check-vat-dkCall when an agent needs whether a DK VAT checksum is valid. No registry lookup. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-vat-dk first.$0.003 Base136 ms1 payers100% up
  77. 100agentshelf.syntexa.ch/v1/check-vat-seCall when an agent needs whether a SE VAT checksum is valid. No registry lookup. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-vat-se first.$0.002 Base136 ms1 payers100% up
  78. 100agentshelf.syntexa.ch/v1/check-vat-plCall when an agent needs whether a PL VAT checksum is valid. No registry lookup. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-vat-pl first.$0.001 Base136 ms1 payers100% up
  79. 100agentshelf.syntexa.ch/v1/check-vat-atCall when an agent needs whether a AT VAT checksum is valid. No registry lookup. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-vat-at first.$0.01 Base136 ms1 payers100% up
  80. 100agentshelf.syntexa.ch/v1/check-vat-beCall when an agent needs whether a BE VAT checksum is valid. No registry lookup. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-vat-be first.$0.009 Base140 ms1 payers100% up
  81. 100agentshelf.syntexa.ch/v1/check-vat-nlCall when an agent needs whether a NL VAT checksum is valid. No registry lookup. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-vat-nl first.$0.008 Base140 ms1 payers100% up
  82. 100agentshelf.syntexa.ch/v1/check-vat-frCall when an agent needs whether a FR VAT checksum is valid. No registry lookup. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-vat-fr first.$0.007 Base139 ms1 payers100% up
  83. 100agentshelf.syntexa.ch/v1/check-vat-gbCall when an agent needs whether a GB VAT checksum is valid. No registry lookup. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-vat-gb first.$0.006 Base137 ms1 payers100% up
  84. 100agentshelf.syntexa.ch/v1/check-vat-deCall when an agent needs whether a DE VAT checksum is valid. No registry lookup. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-vat-de first.$0.005 Base138 ms1 payers100% up
  85. 100agentshelf.syntexa.ch/v1/check-bicCall when an agent needs whether a string has a BIC/SWIFT shape. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-bic first.$0.004 Base140 ms1 payers100% up
  86. 100agentshelf.syntexa.ch/v1/check-mod97Call when an agent needs whether a numeric string is 1 mod 97. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-mod97 first.$0.003 Base138 ms1 payers100% up
  87. 100agentshelf.syntexa.ch/v1/check-luhnCall when an agent needs whether the digits in a string pass Luhn. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-luhn first.$0.002 Base139 ms1 payers100% up
  88. 100agentshelf.syntexa.ch/v1/check-issnCall when an agent needs whether an ISSN checksum is valid. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-issn first.$0.001 Base137 ms1 payers100% up
  89. 100agentshelf.syntexa.ch/v1/check-upc-eCall when an agent needs whether an 8-digit UPC-E-shaped number passes Luhn. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-upc-e first.$0.01 Base136 ms1 payers100% up
  90. 100agentshelf.syntexa.ch/v1/check-upc-aCall when an agent needs whether a 12-digit UPC-A passes Luhn. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-upc-a first.$0.009 Base139 ms1 payers100% up
  91. 100agentshelf.syntexa.ch/v1/check-ean-8Call when an agent needs whether an 8-digit EAN passes Luhn. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/check-ean-8 first.$0.008 Base141 ms1 payers100% up
  92. 100agentshelf.syntexa.ch/v1/check-ean-13Call when an agent needs whether a 13-digit EAN passes Luhn. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/check-ean-13 first.$0.007 Base140 ms1 payers100% up
  93. 100agentshelf.syntexa.ch/v1/check-isbnCall when an agent needs whether a string is a valid ISBN-10 or ISBN-13. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-isbn first.$0.006 Base140 ms1 payers100% up
  94. 100agentshelf.syntexa.ch/v1/check-isbn-13Call when an agent needs whether an ISBN-13 checksum is valid. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/check-isbn-13 first.$0.005 Base137 ms1 payers100% up
  95. 100agentshelf.syntexa.ch/v1/check-isbn-10Call when an agent needs whether an ISBN-10 checksum is valid. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-isbn-10 first.$0.004 Base138 ms1 payers100% up
  96. 100agentshelf.syntexa.ch/v1/check-card-unionpayCall when an agent needs whether a number passes Luhn and matches unionpay. Nothing is stored. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/check-card-unionpay first.$0.003 Base138 ms1 payers100% up
  97. 100agentshelf.syntexa.ch/v1/check-card-dinersCall when an agent needs whether a number passes Luhn and matches diners. Nothing is stored. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-card-diners first.$0.002 Base133 ms1 payers100% up
  98. 100agentshelf.syntexa.ch/v1/check-card-jcbCall when an agent needs whether a number passes Luhn and matches jcb. Nothing is stored. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-card-jcb first.$0.001 Base136 ms1 payers100% up
  99. 100agentshelf.syntexa.ch/v1/check-card-discoverCall when an agent needs whether a number passes Luhn and matches discover. Nothing is stored. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/check-card-discover first.$0.01 Base135 ms1 payers100% up
  100. 100agentshelf.syntexa.ch/v1/check-card-amexCall when an agent needs whether a number passes Luhn and matches amex. Nothing is stored. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/check-card-amex first.$0.009 Base139 ms1 payers100% up