Information to software suppliers

The site contains information about OP's payment transaction services, especially for software vendors making financial management systems or bank connection software.

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Payments

Information about our specifications for incoming payment data material, our processing lead times and upcoming changes.

Web Services

What’s new with Web Services.

Account reporting

Information about the technical format of account reporting material retrievable from OP.

API solutions

The greatest benefit from real-time payments with the corporate banking API solutions.

Invoicing

Current information about corporate customer invoicing services.

Service notice on payment transactions

Instructions for customers

Here you can find all technical documentation required for bank connection channel maintenance.