The Norwegian Directorate of Health HAPI

National clinical guidelines and the ATC code list for evidence retrieval.

The Directorate of Health's HAPI provides access to national clinical guidelines (list + single documents) and the ATC code list (medicines classification). A robust source for the compliance/health segment and general evidence retrieval. Migrated to a Firebase Function with a Firestore TTL cache (guidelines 30d, ATC 180d) for cost control and low latency.