Public surface / Reference and test servers

HAPI FHIR public test server (R4)

This endpoint answers publicly but declares little about itself.

Current grade C

Reachability100

Capability transparency100

Interop readiness0

Observed surface

Base URL: https://hapi.fhir.org/baseR4
Category: Reference and test servers
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 1328 ms (median across 3 reachable vantages on one network)R2 Spec ↗

Capability transparency100

Pass: fhirVersion declared: '4.0.1' (expected 4.x)T1 Spec ↗
Pass: software name and version declaredT2 Spec ↗
Pass: 146 resource types declaredT3 Spec ↗
Pass: 146/146 declared resources document their interactionsT4 Spec ↗

Interop readiness0

Needs attention: 147 profile canonical(s) declared in CapabilityStatement.instantiates, rest.resource.profile, none of them US Core, CARIN, or Da Vinci; also checked rest.resource.supportedProfile, instantiates, imports, meta.profileI1 Spec ↗
Not observed: no vantage retrieved .well-known/smart-configuration on this run, so whether it is published is unknownI2 Spec ↗
Needs attention: no OAuth security service declaredI3 Spec ↗

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

Registry provenance

How this entry was verified

live CapabilityStatement fetch; publisher confirmed as HAPI FHIR reference server (recorded 2026-08-04)

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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.