{"uid":"cap_xzBZ4BIqq1PDviHHGCh0Q","slug":"open-data-proxy-iban-validation-api-31711b4a","name":"Open Data Proxy — IBAN Validation API","description":"Pay $0.01 USDC per call to validate IBANs, EU VAT numbers and Dutch postcodes, and to query CBS housing, company, domain and EU sanctions data on Base Mainnet.","url":"https://cbs.thesoulnetwork.eu/iban?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["value"],"properties":{"value":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{}}}}},"responseSchema":{"type":"json","example":{"bic":"ABNANL2A","bank":"ABN AMRO","iban":"NL91ABNA0417164300","valid":true,"country":"Netherlands","checksum":"valid"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ySkAWIx_72YWmuqa72Vpj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an IBAN number and returns bank name, BIC, country, and checksum status for $0.01 USDC per call","exampleAgentPrompt":"Can you validate the IBAN NL91ABNA0417164300 and tell me which bank it belongs to and whether the checksum is correct?","exampleUseCases":[{"title":"Payment form IBAN validation","prompt":"Before we process this wire transfer, can you validate the IBAN NL91ABNA0417164300 and confirm which bank it belongs to and whether it's a legitimate account number?"},{"title":"Supplier onboarding bank check","prompt":"We're onboarding a new supplier who gave us IBAN DE89370400440532013000 — can you verify it's valid and tell me the bank name and BIC?"},{"title":"Fraud detection IBAN check","prompt":"Flag this suspicious IBAN GB29NWBK60161331926819 for review — first tell me if it's structurally valid and which country and bank it resolves to."}],"resultDescription":"Returns a JSON object with the validated IBAN string, whether it is valid (boolean), the BIC code, the bank name, the country of the account, and a checksum validity indicator (e.g. 'valid' or 'invalid').","failureModes":["Invalid or malformed IBAN format returns valid:false with checksum error","Missing 'value' query parameter results in 400 bad request","Payment failure on Base Mainnet causes 402 Payment Required before any data is returned","Non-existent or unknown IBAN country prefix may return partial data or unknown bank"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call IBAN validation without a subscription — ideal for low-volume or on-demand checks where you want to confirm a bank account number's structure, BIC, and issuing bank for EU/Dutch accounts. Prefer it over subscription-based IBAN validators when cost predictability at $0.01/call matters and you are already integrated with Base Mainnet x402 micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T00:30:14.306Z","isFirstParty":false,"canonicalSlug":"open-data-proxy-iban-validation-api-31711b4a"}