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The NemID Service Provider Package

The implementation guidelines describes the technical details regarding integration of  NemID.

NemID on your website

NemID Integration - OCES (Implementation Guidelines for NemID)


NemID in your app

NemID Integration - Mobile (Integration for Mobile Applications)

NemID code app - app switch (Guidelines for integration of "app switch")


NemID code app in test

If you need to use NemID code app for testing in the test environment, for example, if you want to test your own transaction texts or app switch functionality, you can contact TU support via the contact form for instructions on how to download it to iOS or Android


Error codes

In this document you find a list of all error codes that can be returned from any NemID client.

NemID Error Codes 


Configuration and setup 

This is a guideline to how you access Nets DanID’s test and production environment.

Configuration and setup


Visual guidelines for NemID

Recommendations for the UX integration of NemID.

Løsningsbeskrivelse og visuelle guidelines (Danish)

Communikation kit (Danish)

Information Kit for NemID code app


Terms and concepts in NemID

A description of the different terms and concepts used in NemID
Terms and Concepts in NemID


Test documents

Guidelines for Developer site. 

Developer Site Guideline

Recommended test procedures