# HL7 FHIR

**Canonical:** https://apis.io/providers/hl7-fhir/  
**Website:** https://www.hl7.org/  
**APIs profiled:** 8

HL7 FHIR (Fast Healthcare Interoperability Resources) is the standard API specification for healthcare data exchange, published by Health Level Seven International (HL7). FHIR REST APIs provide access to patient, clinical, financial, and administrative healthcare data in JSON, XML, and RDF formats with a CC0 open license.

## Kin Score — 44.2 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 44.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 61.8 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 50.0 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Health**: 42.5 (matched via tags).

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (8)

- **HL7 FHIR R5 Healthcare API** — HL7 FHIR R5 (Release 5) is the current published FHIR standard for healthcare data exchange. FHIR R5 REST APIs provide access to patient demographics, observations, conditions, ...
- **SMART on FHIR Authentication** — SMART on FHIR (v2.2.0) defines OAuth 2.0-based authorization patterns for client applications to authorize, authenticate, and integrate with FHIR-based data systems. It enables ...
- **HL7 FHIR Bundle API** — Batch and transaction operations
- **HL7 FHIR Condition API** — Clinical conditions, diagnoses, and problems
- **HL7 FHIR Encounter API** — Patient visits and encounters
- **HL7 FHIR MedicationRequest API** — Medication prescriptions and orders
- **HL7 FHIR Observation API** — Clinical measurements, lab results, vital signs
- **HL7 FHIR Patient API** — Patient demographic and identity resources

## Agentic access (1)

- **Hl7 Fhir Agentic Access** — 11 operations · 3 acting

## Security (2)

- **Hl7 Fhir Authentication** — oauth2 · 1 scheme
- **Hl7 Fhir Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Hl7 Fhir Plans Pricing**

## Tags

Clinical, FHIR, Healthcare, HL7, Interoperability

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/hl7-fhir/). Scores are computed from the provider's own public artifacts under a published rubric.