{"uid":"cap_kYmF0mTOLvHaCfYbzjSKL","slug":"iban-structural-validator-c3f730fa","name":"IBAN Structural Validator","description":"Cheap structural IBAN validation: ISO 13616 checksum + per-country structure/length. Returns valid plus, on rejection, a granular error_type (invalid_checksum, invalid_length, invalid_structure, invalid_country), the country and the format spec. Offline (schwifty, MIT); no network or keys. A cheap-first entry before the fuller /bank/verify fusion route.","url":"https://api.agentstools.dev/bank/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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["iban"],"properties":{"iban":{"type":"string","description":"IBAN to validate (spaces optional, any case)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":{"p10Cents":"0.3000","medianCents":"0.3000","p90Cents":"0.3000","minCents":"0.3000","maxCents":"0.3000","p95Cents":"0.3000","sampleCount":1,"varies":false,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NBLGmYC7YhAHsFzk8VlP-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an IBAN string offline using ISO 13616 checksum and per-country structure/length rules, returning a validity flag and granular error details on failure.","exampleAgentPrompt":"Can you check if this IBAN is valid: GB29 NWBK 6016 1331 9268 19? If it's not, tell me exactly what's wrong with it.","exampleUseCases":null,"resultDescription":"Returns a boolean valid field. On failure, includes an error_type enum (invalid_checksum, invalid_length, invalid_structure, or invalid_country), the detected country code, and the expected format specification for that country.","failureModes":["IBAN with invalid checksum returns valid=false and error_type=invalid_checksum","IBAN with wrong length for its country returns error_type=invalid_length","Malformed structure (bad character positions) returns error_type=invalid_structure","Unknown or unsupported country code prefix returns error_type=invalid_country","Missing iban query parameter returns a 400 or schema validation error"],"whenToPreferThis":"Use this as a cheap, fast, offline first-pass validation before calling a more expensive bank verification or fusion route. Ideal when you just need structural/checksum correctness without live bank reachability checks, and no API keys or network calls are desired. At $0.003 it is the cheapest gate to eliminate obviously malformed IBANs early.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:41:33.267Z","isFirstParty":false,"canonicalSlug":"iban-structural-validator-c3f730fa"}