fregmetadata (registermetadata) describes metadata about resources available from the norwegian person index (folkeregisteret, freg), all resources containing metadata from folkeregisteret will include registermetadata
Project FHIR API
This is the location where you can find your resource using a FHIR client.
Simplifier FHIR API
The global endpoint is where users can search for all resources in Simplifier. Resources have a globally unique guid Id here.