{"uid":"cap_SXboBYwAFzOkACUW3Qiv7","slug":"netintel-iban-validator-0b0607d4","name":"NetIntel IBAN Validator","description":"Validate any IBAN offline — mod-97 check digits, per-country structure, bank/branch extraction, and pretty formatting for ~80 countries — deterministic, instant, no upstream. A structurally invalid IBAN is a real answer: valid:false + findings naming exactly what failed. Pass iban as ?iban= (GET) or a JSON body (POST).","url":"https://netintel.dev/iban/validate?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"],"type":"string"},"queryParams":{"type":"object","required":["iban"],"properties":{"iban":{"type":"string","description":"The IBAN to validate — spaces, hyphens, case, and a leading IBAN: label are tolerated. Aliases: account, account_number, number"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"iban":{"type":"string","description":"normalized electronic format"},"valid":{"type":"boolean"},"country":{"type":"string"},"findings":{"type":"array"},"bank_code":{"type":["string","null"]},"formatted":{"type":"string","description":"print format, grouped by 4"},"length_ok":{"type":"boolean"},"branch_code":{"type":["string","null"]},"checksum_ok":{"type":"boolean"},"sepa_member":{"type":"boolean"},"check_digits":{"type":"string"},"country_name":{"type":["string","null"]},"structure_ok":{"type":"boolean"},"account_number":{"type":["string","null"]}}}}}}},"responseSchema":{"type":"json","example":{"iban":"DE89370400440532013000","valid":true,"country":"DE","findings":[],"bank_code":"37040044","formatted":"DE89 3704 0044 0532 0130 00","length_ok":true,"branch_code":null,"checksum_ok":true,"sepa_member":true,"check_digits":"89","country_name":"Germany","structure_ok":true,"account_number":"0532013000"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OWa5QFfUv674zneXO5r24","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an IBAN offline using mod-97 check digits, per-country structure rules, and bank/branch code extraction for ~80 countries — no upstream calls, instant result","exampleAgentPrompt":"Can you validate this IBAN for me — DE89370400440532013000 — and tell me if it's valid, what bank and branch codes are in it, and whether Germany is a SEPA member?","exampleUseCases":[{"title":"Payment form IBAN sanity check","prompt":"A user just typed 'GB29NWBK60161331926819' into our checkout form as their bank account — can you validate it and tell me if it's a valid UK IBAN and what the bank code is?"},{"title":"Debugging a rejected wire transfer","prompt":"Our payment processor rejected this IBAN: FR7630006000011234567890189 — can you run a full validation and tell me exactly what's wrong with it, like whether the checksum failed or the structure doesn't match France's format?"},{"title":"Bulk pre-screening IBAN before payroll","prompt":"Before we send payroll, I need to verify this employee IBAN: NL91ABNA0417164300 — check if it's structurally valid, extract the bank code, and confirm whether the Netherlands is in SEPA."}],"resultDescription":"A JSON object containing: normalized electronic-format IBAN, a boolean `valid` flag, country code and name, SEPA membership boolean, extracted bank_code, branch_code, and account_number (where defined by country structure), check_digits string, boolean sub-results for length_ok / structure_ok / checksum_ok, a print-friendly `formatted` string grouped in blocks of 4, and a `findings` array listing exactly which checks failed when valid is false.","failureModes":["Invalid or missing `iban` query parameter returns an error response","IBAN from an unsupported or unrecognized country returns valid:false with a findings entry indicating unknown country structure","Checksum failure returns valid:false with checksum_ok:false in findings","Length mismatch for the given country returns valid:false with length_ok:false","Malformed non-IBAN string returns valid:false with multiple findings"],"whenToPreferThis":"Choose this endpoint when you need instant, offline IBAN validation with no latency from upstream banking APIs — ideal for form validation, pre-payment checks, or environments where you cannot or do not want to hit a live bank registry. It provides richer structural decomposition (bank code, branch code, account number, SEPA flag) than simple regex checks, and gives precise failure reasons rather than a binary pass/fail. Prefer a live bank registry lookup if you also need to confirm the account is active or that the bank is currently operational.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:47:04.244Z","isFirstParty":false,"canonicalSlug":"netintel-iban-validator-0b0607d4"}