# HAPI FHIR

**Canonical:** https://apis.io/providers/hapi-fhir/  
**Website:** https://hapifhir.io  
**APIs profiled:** 2

HAPI FHIR provides an open-source implementation of the HL7 FHIR (Fast Healthcare Interoperability Resources) standard for Java. It enables developers to quickly build and deploy FHIR‑based clinical data repositories, offering RESTful APIs, a powerful server framework, and extensive tooling for validation, searching, and transaction processing. The project powers numerous health‑IT solutions and is maintained by the community and Smile CDR, delivering a robust, scalable platform for interoperable healthcare data exchange.

## Kin Score — 22.0 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: flat (-3.6 from 25.6).

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 19.4 |
| Contract Governance | 22.0 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 32.1 |
| Access Clarity | 0.0 |

Regulatory layer — **Health**: 8.6 (matched via tags).

## Agent readiness — 14.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **HAPI FHIR Fhir API** — The Fhir API from HAPI FHIR — 1 operation(s) for fhir.
- **HAPI FHIR Patient API** — The Patient API from HAPI FHIR — 2 operation(s) for patient.

## Security (1)

- **Hapi Fhir Domain Security** — TLSv1.2 · HSTS

## Tags

Healthcare, Interoperability, Open Source, Java, FHIR

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/hapi-fhir/). Scores are computed from the provider's own public artifacts under a published rubric.