For every version of the interface (production/test/development), you can read the corresponding version of the documentation by visiting the SOAP URL with your browser, for example: https://ssl.ibanrechner.de/soap/.

Below you will find the documentation for the current production version:

• calculate_iban
• validate_iban
• country_supported
• find_bank
• get_form
• get_dutch_banks
• get_swiss_banks