IBAN API: A Free IBAN Validation Engine

The IBAN “International Bank Account Number” is primarily used for money transfers.

IBAN numbers identify each bank account with a unique name, which includes the country, the bank details like code, bank location code, and the account owner's number.

IBAN API is an IBAN validation tool that allows enterprises and websites to validate user-input IBANs on their system and forms.

Currently, it offers developer-friendly libraries (PHP and JavaScript) and several pricing plans, which include a free basic plan.

With IBAN API, you can perform a basic validation with no bank information, or validation with bank information.


  1. https://ibanapi.com/
  2. https://github.com/ibanapi