Publisert - 28.04.2026

No Authorization - Test Environment Only

While the Production environment will require HelseID authorization, one of the base URLs provided by the Test environment is the backdoor base URL which bypasses the need for HelseID authorization.

All endpoints are available via the backdoor, and will return data from our Test environment.

Note that the stability of the backdoor endpoint is by no means guaranteed, and is only made available for simpler startup on developer machines, not intended for deploy into dedicated testing environments.

Headers (Backdoor Only)

Endpoints that use the backdoor base URL, have their own set of headers:

Name
nhn-source-system Source of the request
nhn-event-id Correlation ID
Correlation-Id Same as above
X-Nilar-Organisation Organisation number or requesting party
X-Nilar-Requester-Public-Id* National identification number of requester
X-Nilar-Requester-Hpr* HPR number of requester

* Requires one of X-Nilar-Requester-Public-Id or X-Nilar-Requester-Hpr to be set

Note: The above headers are for the backdoor only, and can change without notice. For the normal headers, see HelseID authorization - headers.

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