API reference

Service contracts, in the open

HDIM publishes OpenAPI 3.0 contracts for its core services. Browse the read-only reference below, or download the raw spec for your own tooling — useful for technical due diligence and integration planning.

Reference only — these are contract specifications, not a live endpoint.

Patient Service API

v1.3.0

Patient health records, demographics, and FHIR R4 patient resources.

39 paths · OpenAPI 3.0

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Quality Measure (HEDIS) API

v1.0.13

HEDIS quality-measure evaluation, measure definitions, and results.

149 paths · OpenAPI 3.0

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Regional Sync Service API

v1.3.1

Regional / multi-tenant data synchronization and de-identified pull contracts.

31 paths · OpenAPI 3.0

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Care Gap Service API

v1.3.0

Care-gap detection and closure workflow endpoints.

3 paths · OpenAPI 3.0

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