IBANfox is a simple JSON-based REST API which allows you to validate IBAN numbers and BIC identifiers, construct IBANs from BBANs, and more.

The API is easily accessible through standard HTTP methods, and results are returned in JSON format, allowing interoperability with a wide range of applications, systems, programming languages and frameworks.

This API documentation explains the APIs properties, parameters and features, and provides integration guides and code examples.

Free developer program

The service offers a free developer program which includes:

  1. Free Registration
    It costs nothing to join our developer program.
  2. Free Support
    Our support team ensures you have everything you need to get your application up and running.
  3. Free IBAN lookups
    Place up to 150 requests per month at no cost or commitment.