Publisert - 04.11.2026

Developer Documentation

Documentation for API consumers integrating with the Legemiddelgrunndata API. New to the API? Start with Getting Started.

Pages

Area Page Covers
Start Getting Started Environments, access and a first request
Concepts Authentication API keys (v1), HelseID with DPoP (v2), authentication errors
Concepts Response format Versioned and unversioned envelope, isInFest
Concepts Errors and limits Status codes, error format, rate limiting
Concepts Versioning and Diff Fetch only changes with since-version
REST API Treatment groups Endpoints and schema
REST API Reimbursement groups Endpoints and schema
REST API Last updated Cheap check for changes
REST API Shared types and code systems ProductReference, Coding, CodeableConcept, Identifier, Period, RHF codes
FHIR FHIR R4 endpoints Read-only FHIR view

Folder indexes: concepts, rest-api, fhir.

Endpoints

Endpoint Auth Documented in
GET /api/v1/treatment-group API key Treatment groups
GET /api/v1/treatment-group/{id} API key Treatment groups
GET /api/v1/reimbursement-group API key Reimbursement groups
GET /api/v1/reimbursement-group/{id} API key Reimbursement groups
GET /api/v1/last-updated API key Last updated
GET /api/v2/treatment-group HelseID Treatment groups
GET /api/v2/treatment-group/{id} HelseID Treatment groups
GET /api/v2/reimbursement-group HelseID Reimbursement groups
GET /api/v2/reimbursement-group/{id} HelseID Reimbursement groups
GET /api/v2/last-updated HelseID Last updated
GET /fhir/r4/{Resource}, GET /fhir/r4/{Resource}/{id} HelseID FHIR R4 endpoints
GET /fhir/r4/metadata None FHIR R4 endpoints

Moved pages

api-reference.md, data-models.md, authentication.md and versioning-and-diff.md in this folder are short redirect pages that keep old links working. Do not extend them.

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