Last modified: Apr 8, 2025

Getting Started with Altinn Correspondence

You can either use Altinn as a service owner to send messages, or integrate with Altinn as an end-user-system.

Service owner: a public entity that has entered into an agreement to configure and manage services in Altinn, such as a messaging service.

System provider: provides an end-user-system that receives and stores Altinn messages via machine-to-machine integration.