generated: '2026-07-24' method: searched source: collections/nhsd-developers-portal.postman_collection.json + NHSD Developer Guide docs: https://about.healthdirect.gov.au/what-we-do/portfolio/nhsd/integration-hub/documentation summary: types: [oauth2, apiKey] api_key_in: [header] oauth2_flows: [clientCredentials] note: >- Dual credential model — every NHSD FHIR request carries BOTH an OAuth 2.0 bearer access token AND a static x-api-key header. This is a system-to-system provider-directory API; there is no SMART-on-FHIR user/patient authorization (no patient/*.read or system/*.rw scopes documented). schemes: - name: oauth2ClientCredentials type: oauth2 flow: clientCredentials tokenUrl: https://iam.int.nhsd.healthdirect.org.au/iam/oauth/token token_url_note: Integrator test environment; production IAM host mirrors this path. grant_params: [grant_type=client_credentials, client_id, client_secret] request_content_type: application/x-www-form-urlencoded token_response_field: accessToken token_use: 'Sent as Authorization: Bearer on FHIR requests.' scopes: [] sources: [collections/nhsd-developers-portal.postman_collection.json] - name: apiKey type: apiKey in: header parameter_name: x-api-key applies_to: [token request, all FHIR resource requests] sources: [collections/nhsd-developers-portal.postman_collection.json] onboarding: gated: true note: >- Client credentials and API key are issued only after a formal onboarding — a connection request for the Integrator Test Environment, production registration, and an executed NHSD Agreement (~8 steps, ~3 months). request_url: https://healthdirect-serviceline.atlassian.net/servicedesk/customer/portal/3/group/12/create/44