Loading
Loading
Validate any International Bank Account Number against international banking standards. Returns a full breakdown of the IBAN structure, BBAN checksum result, SEPA compatibility, and bank details for supported countries.
The API accepts a single IBAN string and checks it for country format, length, and check digit validity. For select countries, BBAN checksum and bank lookup are also performed. Returns valid: false (not an error) for structurally invalid IBANs.
Authorize every request with your API key, passed either as a header or as a query parameter:
X-apiKeyapiKeyThis is version v1.0 of the API.
The iban parameter is required. Pass the IBAN as a single string without spaces.
formatoptionalStringdefault: jsonResponse format: 'json' (default) or 'xml'.
ibanrequiredStringIBAN number to validate. Checked for country format, length, and checksum. Returns valid=false (not an error) when IBAN is structurally invalid.
A successful request returns a 200 OK with a JSON object containing validation results and bank details.
validTrue if the IBAN passes all validation checks.
ibanThe IBAN number provided in the request.
is_alpha_numeric (Boolean), is_iban_supported_country (Boolean), is_valid_length (Boolean), is_valid_structure (Boolean), is_iban_check_digit_valid (Boolean), …
bic (String), bank (String), bank_code (String), branch_code (String), country (String), …
Besides the response body, every response carries custom headers you can use to track credit usage, and concurrency usage on endpoints that enforce a concurrency limit. See the Custom Response Headers documentation and the endpoints with concurrency limits for more details.
X-Concurrent-Threadsheaderconcurrency-limited endpointsSpecifies the maximum number of concurrent requests allowed.
X-Concurrent-Threads-Activeheaderconcurrency-limited endpointsIndicates the number of active concurrent requests being processed.
X-AF-Credits-Costheaderall responsesSpecifies the number of credits consumed by the current request.
See the HTTP Status Codes documentation for a complete reference of common API errors and HTTP status codes.
IBAN parameter required