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Introduction > Banking services > API Banking

Internetbanking API

API Banking enables secure and automated processing of bank statements and transactions for accounts held at Fio banka. With API Banking services, you receive an instant overview of transactions on your account and you don't even need to be logged in to your Internetbanking account.

  • Links your accounts and accounting system
  • You can submit mass payments
  • You can see immediately what is going on in the accounts
  • The API is free of charge

API Banking is the perfect solution for e-shops and other companies that need to download their bank statements directly into accounting programs. Instant access to transaction details allow you to respond quickly by automatically shipping merchandise or providing other services to your customers.

Account transaction data can be provided in a number of formats including: XML, MT940, OFX, GPC, CSV, JSON, HTML and PDF.

Through API Banking mass payments can be submitted. These can be imported into the banking system in the ABO format or XML and they will be ready for authorization in the Internetbanking as a single batch (see section "Reports", page "Payments to authorize"). You may submit any domestic and foreign payments in the XML format.

Currently: We are changing the address of API Banking

For greater security, we are moving the Fio API Banking domain from the current to a separate URL For a transitional period of 6 months, both of the above addresses will be valid (until 30 November 2024).

What does this mean for you?
Instructions sent from API Banking need to start going to the new URL, i.e.:

  • modify the import (upload) of payment instructions to the bank from a URL starting with to a URL starting with,
  • similarly modify the export of movements and statements from the bank to you (see documentation below).

  • More information and a Fio API Banking installation manual are available here.

Fio API Plus

Many of those interested in the API Banking service will also use the Fio API Plus application. This application has been specifically designed for those who don't want to program their own interface for API Banking, but who are interested in the advantages it provides. With Fio API Plus you can regularly and quickly download bank statements or account transactions in a number of different formats. The application, just like API Banking, is completely free for all clients!

  • The manual for the Fio API Plus application can be found here.
  • An overview of the Fio API Plus application can be found here.


Access to account data can be created by the owner or another individual with permission to access an account within the Internetbanking application. All communication between the bank and the user's workstation is encrypted using SSL protocol.


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