Aetna Provider Directory FHIR API
HL7 FHIR R4 Provider Directory API implementing the Da Vinci PDex Plan Net Implementation Guide (upgraded to version 1.2.0 on 2026-06-23), covering both Medicare and Commercial networks. Exposes Practitioner, PractitionerRole, Organization, OrganizationAffiliation, InsurancePlan, Location and HealthcareService across two surfaces - an interactive directory at /v1/providerdirectory and a data surface at /v1/providerdirectorydata that additionally offers Bulk FHIR $export and $exportstatus. Unlike several peer payers, Aetna requires OAuth on the directory; it is not anonymously callable.
This API exposes 20 operations across 20 paths, and defines 10 schemas. It is described by OpenAPI 3.0.3, at version 1.0.0.
Requests are made against 2 base URLs: https://apif1.aetna.com/fhir, https://qapif1.aetna.com/fhir.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Aetna Provider Directory FHIR API declares
2 security schemes
for authenticating requests.
It supports OAuth 2.0 (FHIR_User_AccessCode_Oauth) using the authorizationCode flow, exposing 4 scopes.
It supports OAuth 2.0 (FHIR_Application_Oauth) using the clientCredentials flow, exposing 2 scopes.
FHIR_Application_Oauth— { "BuildEieHeader" : "Header 3.2", "SecurityTemplate" : "FHIROpenApp", "Backend" : "Non-IIB, FHIRServer APIGEE APIs, requires Mutual TLS", "Errorhandlingpolicy…
Paths & Operations 20
Across 20 paths, the API surfaces 20 operations — 20 GET. Each is listed below with its method, path, parameters, and response codes.
Schemas 10
The contract defines 10 schemas that model the data the API accepts and returns. The most detailed are Entry (1 property), Bundle (1 property). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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