Public surface / Provider and health system APIs

VA Lighthouse Patient Health API (production)

This endpoint declares a complete, interoperable public surface.

Current grade A

Reachability100

Capability transparency80

Interop readiness100

Observed surface

Base URL: https://api.va.gov/services/fhir/v0/r4
Category: Provider and health system APIs
Availability: answered 10 of 10 checks so far; availability is reported once 14 observations exist
Vantage agreement: reachable from all 3 vantages, which are 3 hosts on one network (github-actions): one network's view sampled 3 times, not 3 independent networks

Interpretation

A grade describes two public discovery documents at one point in time. It does not inspect patient data, authenticated behavior, or clinical quality.

Read the scoring method →

Findings

Reachability100

Pass: /metadata answers with HTTP 2xx over HTTPS: reachable from all 3 vantages, which are 3 hosts on one network (github-actions): one network's view sampled 3 times, not 3 independent networksR1 Spec ↗
Pass: /metadata responded in 328 ms (median across 3 reachable vantages on one network)R2 Spec ↗

Capability transparency80

Pass: fhirVersion declared: '4.0.1' (expected 4.x)T1 Spec ↗
Needs attention: software name/version missingT2 Spec ↗
Pass: 19 resource types declaredT3 Spec ↗
Pass: 19/19 declared resources document their interactionsT4 Spec ↗

Interop readiness100

Pass: US Core / CARIN / Da Vinci profiles declared in CapabilityStatement.instantiates, rest.resource.profile, rest.resource.supportedProfileI1 Spec ↗
Pass: SMART discovery document present and completeI2 Spec ↗
Pass: OAuth/SMART security service declared in CapabilityStatementI3 Spec ↗

Observed since 2026-08-05; no changes to declared capability recorded.

Registry provenance

How this entry was verified

live CapabilityStatement fetch on the VA's api.va.gov domain; implementation description 'FHIR R4 Health APIs.'; sourced from developer.va.gov (recorded 2026-08-05)

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alt="FHIR Scorecard: grade A"></a>

This is an observational snapshot of a public, unauthenticated surface. It is not an audit, a ranking of care quality, or a statement about anyone's regulatory compliance. See how we grade.