Public surface / Payer Provider Directory APIs
Premera Blue Cross Provider Directory API
This endpoint declares a complete, interoperable public surface.
Observed surface
- Base URL
https://opala.tech/provdir/premera/v1/fhir-r4- Category
- Payer Provider Directory APIs
- Availability
- answered 16 of the last 16 daily checks (100%)
- Last answered
- 2026-10-03 (answered on this run)
- 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
What each vantage saw
| Vantage | Result | What it saw | Condition |
|---|---|---|---|
github-actions/macos-latest | reached | answered in 109 ms | HTTP 200 |
github-actions/ubuntu-latest | reached | answered in 168 ms | HTTP 200 |
github-actions/windows-latest | reached | answered in 156 ms | HTTP 200 |
Vantages on one network are one network’s view sampled several times. A rule applied to that network’s address space reaches every one of them at once and reads exactly like agreement.
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 →This endpoint's full report: what was observed, what was not, and what would change it →
What its CapabilityStatement declares, resource by resource →
Findings
- Pass: US Core / CARIN / Da Vinci profiles declared in CapabilityStatement.instantiates, rest.resource.profile, rest.resource.supportedProfileI1Spec ↗
- Note: SMART discovery not applicable: a Provider Directory API is public by designI2Spec ↗
- Note: OAuth security not applicable: a Provider Directory API is public by designI3Spec ↗
Observed since 2026-09-18; no changes to declared capability recorded.
Declared app-to-server access
What the endpoint's own documents declare about app-to-server access, observed on this run. Nothing here was requested or exercised, and none of it is graded. An absent field is reported as absent, not as a refusal: a document that does not mention a field has not said anything about it.
| Question | Answer | What the document says | Where it is declared |
|---|---|---|---|
| Declares private_key_jwt client authentication at the token endpoint | not retrieved on this run | the SMART discovery document was requested and not served on this run | SMART discovery: token_endpoint_auth_methods_supported |
| Declares the client_credentials grant, which SMART Backend Services uses | not retrieved on this run | the SMART discovery document was requested and not served on this run | SMART discovery: grant_types_supported |
| Declares the client-confidential-asymmetric capability | not retrieved on this run | the SMART discovery document was requested and not served on this run | SMART discovery: capabilities |
| Declares system-level scopes | not retrieved on this run | the SMART discovery document was requested and not served on this run | SMART discovery: scopes_supported |
| Declares an export operation | not listed | 15 operations are declared and none is named export | CapabilityStatement: rest.operation and rest.resource.operation |
| Instantiates the Bulk Data Access implementation guide | not listed | 1 canonicals are instantiated and none is Bulk Data's | CapabilityStatement: instantiates |
Registry provenance
How this entry was verified
base URL printed by Premera on its own developers page, https://www.premera.com/visitor/developers, under 'Provider Directory API developer guide' as 'Base URL: https://opala.tech/provdir/premera/v1/fhir-r4/' with example queries (Practitioner?family=, Organization?name=, HealthcareService?name=) under the same address; read on 2026-09-18 by a headless-browser render with its sections expanded, because the page is built client-side. The same address is also printed, labeled Premera, on Opala's Provider Directory API documentation page. Live CapabilityStatement retrieved unauthenticated from the davis-ca residential vantage on 2026-09-13: fhirVersion 4.0.1, the 8 Plan-Net resource types, 9 Plan-Net supportedProfile canonicals, implementation.url matching the requested base and implementation.description reading 'Firely Server' (recorded 2026-09-13). No later re-check is recorded, so the date above is the last time anyone checked this entry against the live endpoint.
Share this endpoint's grade
Link the badge back to this evidence page so readers can inspect the current findings.
<a href="https://fhir.chelseakr.com/endpoint/premera-provider-directory/">
<img src="https://fhir.chelseakr.com/badge/premera-provider-directory.svg"
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.
Every observation on record for this endpoint, with the dates it answered and the dates it did not.