IBAN / BIC validation API

Validates IBANs with the mod-97 checksum and per-country lengths, returning the grouped canonical form; BIC/SWIFT codes are validated and decomposed at /api/v1/bic/validate.

Endpoint

MethodPath
GET/api/v1/iban/validate

Example

curl "https://formfit.dev/api/v1/iban/validate?value=GB29NWBK60161331926819" \
  -H "Authorization: Bearer YOUR_API_KEY"

Response (excerpt)

{"valid":true,"countryCode":"GB","normalized":"GB29 NWBK 6016 1331 9268 19"}

FAQ

Does it verify the bank exists?
No — checksum and format validation only.

More formfit APIs

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