News on stakeholder testing

On this page, we provide information on latest developments in stakeholder testing.

There are regular service breaks in the stakeholder testing environment caused by development work.

Check the service break schedule for testing

Schedule for testing the data content changes for 2027

The changes affecting the schema will be published for testing in summer 2026 in two phases (17 June and 12 August).

• You can test the changes in the technical interfaces, the e-service and the upload service.
• The documentation for 2027 will be published on the Documentation page in May–June.

Latest releases in the stakeholder testing environment

We will provide information about new functionalities, corrections and known deficiencies published in the stakeholder testing environment at news on stakeholder testing (in Finnish).

Interface's addresses have changed

The IP addresses of the Incomes Register's test environment (EXT) technical interface have changed on February 10, 2026.

• If you use direct IP addresses on the interface, changes to the system will be required due to the change of address.
• If you use name-based IP addresses, the change will have no effect and no action is required.