{"uid":"cap_0yp7NKe-sFWT3b2ZybK8b","slug":"iban-validator-via-x402-40c1c2e3","name":"IBAN Validator via x402","description":"Format and checksum validation for IBAN, EU VAT, Polish NIP/REGON/PESEL and email, pay-per-call via x402. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base.","url":"https://validate.crewofthecaptain.com/api/validate/iban?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{"type":"string","maxLength":512}}},"responseSchema":{"type":"json","example":{"type":"iban","valid":true,"reason":"ok","normalized":"…"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mHJEtORYIjinBVAU99GsU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates the format and checksum of an IBAN (International Bank Account Number) string and returns a normalized form, paid per-call via x402 in USDC.","exampleAgentPrompt":"Can you check whether this IBAN is valid: GB29 NWBK 6016 1331 9268 19?","exampleUseCases":[{"title":"Pre-payment IBAN verification","prompt":"Before I submit this bank transfer, can you verify that the IBAN DE89370400440532013000 is correctly formatted and has a valid checksum?"},{"title":"User-submitted bank detail validation","prompt":"A customer just entered their IBAN as PL61109010140000071219812874 in our form — can you check if it's valid before we save it?"},{"title":"Bulk invoice recipient check","prompt":"I have an IBAN from a supplier — FR7630006000011234567890189 — can you confirm it's properly formatted so I can approve the payment?"}],"resultDescription":"A JSON object containing: 'type' (always 'iban'), 'valid' (boolean indicating whether the IBAN passed format and checksum checks), 'reason' (a short explanation, e.g. 'ok' or a failure reason), and 'normalized' (the canonically formatted IBAN string).","failureModes":["Invalid or malformed IBAN returns valid=false with a reason string describing the issue","Missing or empty 'value' field may return an error response","Non-IBAN strings (e.g. random text) will return valid=false","Payment failure via x402 if USDC balance is insufficient or wallet not configured"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call IBAN format and checksum validation with no subscription or API key required — ideal for agents that validate IBANs infrequently or want to avoid monthly SaaS fees. It is purpose-built for IBAN specifically (unlike generic regex validators) and returns a normalized form alongside the validity verdict.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:42:40.153Z","isFirstParty":false,"canonicalSlug":"iban-validator-via-x402-40c1c2e3"}