Idempotent registration for Client ID Metadata Document (CIMD) clients. Uses external_client_id as the unique identifier for upsert operations. Create: Returns 201 when a new client is created (requires \
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
URL to the Client ID Metadata Document. Acts as the unique identifier for upsert operations.
1 - 120CIMD client successfully updated (idempotent).
Response after successfully registering or updating a CIMD client