{"uid":"cap__SOVRfkcnHlP72JUS8l3h","slug":"french-iban-validator-fr-mod-97-length-27-9678b1bf","name":"French IBAN Validator (FR, mod-97, length 27)","description":"Call when an agent needs whether an IBAN is a mod-97-valid FR number of length 27. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/check-iban-fr first.","url":"https://agentshelf.syntexa.ch/v1/check-iban-fr?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["FR97AAAA0000000000000000000"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HRdqa0K-9-t0cXIoqKK0v","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is a mod-97-valid French IBAN (FR prefix, exactly 27 characters)","exampleAgentPrompt":"Can you check whether this IBAN is a valid French bank account number: FR7630006000011234567890189?","exampleUseCases":[{"title":"Pre-payment FR IBAN check","prompt":"Before we send the wire transfer, can you verify that FR7630006000011234567890189 is a valid French IBAN so we don't get a rejection?"},{"title":"User onboarding bank validation","prompt":"A user just entered FR1420041010050500013M02606 as their bank account — can you confirm it's a properly formatted and mod-97-valid French IBAN before we save it?"},{"title":"Invoice payout validation","prompt":"We received an invoice with FR7614508359660025056176070 as the payment destination — can you check if that's a legitimate FR IBAN before we approve the payout?"}],"resultDescription":"Returns a boolean validity result indicating whether the submitted string is a correctly formatted French IBAN: FR country code prefix, exactly 27 characters in length, and passing the mod-97 checksum algorithm.","failureModes":["Input string is empty or missing — validation fails with input error","IBAN is correct length but fails mod-97 checksum — returns invalid","IBAN has correct FR prefix but wrong length (not 27 chars) — returns invalid","Non-FR IBAN submitted — returns invalid (use sibling endpoints for other country codes)","Malformed input (non-alphanumeric characters, spaces not stripped) — may return invalid or error"],"whenToPreferThis":"Use this endpoint when you specifically need to validate a French (FR) IBAN of exactly 27 characters with mod-97 checksum verification. If you need to validate IBANs for other countries (LT, LU, LV, MK, MR, PK, PS), use the corresponding sibling endpoints. Prefer the free sandbox endpoint POST /v1/sandbox/check-iban-fr for testing before using this paid endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:25.688Z","isFirstParty":false,"canonicalSlug":"french-iban-validator-fr-mod-97-length-27-9678b1bf"}