Documentation
Production certificates
The requesting of production certificates has been transferred to the Finnish Tax Administration’s certificate service.
Review instructions for the Tax Administration's certificate service:
Production certificates: Submit an interface application and request a certificate
Testing certificates
General description and interface descriptions of the Incomes Register certificate service.
Certificate service – General description (pdf), 20 January 2020, version 1.04
Certificate service – Interface description (pdf), 10 April 2019, version 1.03
Technical interface of the certificate service – ZIP – For application developers, 15 December 2017, version 1.01
Data delivery and distribution
You can find the interface descriptions related to the submission and distribution of Incomes Register earnings and benefits payment data, and the related application guidelines on the documentation page.