generated: '2026-08-30' method: searched source: https://developerportal.aetna.com/managedcontent/pdfs/Previous_Releases.pdf source_note: >- Aetna's own "Previous Releases" document, split into a Production section and a Sandbox section. Retrieved 2026-08-30 (HTTP 200) and read as text. It is a PDF, not a feed - there is no RSS, no JSON, no HTML changelog page, and no per-release permalink. Entries below are the recent window, transcribed faithfully; the document itself runs back to 2021-01-07. format: pdf feed: null scheme: dated entries, no release version numbers; per-operation semantic versions live in the API catalog current_versions: patient_access: US Core 6.1.0 in Production since 2025-09-29 (upgraded from 3.1.1) provider_directory: Da Vinci PDex Plan Net IG 1.2.0 since 2026-06-23 provider_access: Da Vinci PDex IG STU 2.1.0 since 2026-05-05 entries: - date: '2026-08-19' environment: Production type: addition breaking: false highlights: - New "ECS Provider" role enables access to Provider Access APIs for organizations contracted with Aetna as ECS Providers. - date: '2026-06-25' environment: Production type: addition breaking: false highlights: - >- IAL2 (NIST SP 800-63A Identity Assurance Level 2) authentication added as an optional alternative to the existing well-known username/password member authentication, using CLEAR and ID.me as Credential Service Providers. - Existing applications are unaffected; IAL2 applications cannot use the Sandbox environment. - Developer Portal UI refreshed around application registration and management. - date: '2026-06-23' environment: Production type: addition breaking: false highlights: - >- Provider Directory APIs (Medicare and Commercial) under /v1/providerdirectorydata upgraded to Da Vinci Implementation Guide 1.2.0 - explicitly non-breaking. - New search parameters for PractitionerRole, InsurancePlan and HealthcareService. - date: '2026-05-05' environment: Production type: version-upgrade breaking: false highlights: - /provideraccess/v1/Group upgraded to Da Vinci PDex IG STU 2.1.0. - /provideraccess/v1/Group/ExportFile/{fileId} upgraded to Bulk Data Access IG STU 3.0.0 + PDex STU 2.1.0. - date: '2026-03-27' environment: Production type: addition breaking: false highlights: - >- Provider Access API launched in Production under product public-provider-group-fhir, letting provider organizations and EHR vendors identify attributed member groups and request bulk data export for treatment purposes. - 'Operations: /provideraccess/v1/Group, /Group/{id}, /Group/$exportstatus/{id}, /Group/{id}/$davinci-data-export, /Group/ExportFile/{fileId}.' - date: '2026-03-04' environment: Production type: breaking breaking: true highlights: - >- HOSTNAME configuration change required for subscribers to public-realtimepharmacybenefitcheckatapi-fhir, public-clinicaldataexchange-fhir, public-coveragerequirementsdiscoveryapi-fhir and public-priorauthorizationsupportapi-fhir - production host moved to https://apix.cvshealth.com. note: >- This is the only breaking change in the recent window and it moved a subset of Aetna's production APIs onto a CVS Health host. apix.cvshealth.com resolves (23.206.172.75) and answers 404 at the root and at /.well-known/smart-configuration, i.e. it is a live gateway that exposes nothing anonymously. The four affected products are not among the specs this pipeline could retrieve (all returned HTTP 403), so no contract in this repo declares that host. - date: '2025-12-05' environment: Production type: addition breaking: false highlights: - Payer to Payer API subscription opened for US Core 6.1.0 upgraded production APIs; new products public-payertopayerapi-fhir-f and -g. - Known limitation stated by Aetna - POST is not implemented yet and returns an error. - Developer Portal enabled multifactor authentication; EHR application creation and token generation restored. - date: '2025-10-16' environment: Production type: addition breaking: false highlights: - Da Vinci CDex $submit-attachment live - /clinicaldataexchange/v1/$submit-attachment (product public-clinicaldataexchange-fhir). - Prior Authorization Support $submit and $inquire live - /priorauthorizationsupport/v1/Claim/$submit and /$inquire. - date: '2025-09-29' environment: Production type: version-upgrade breaking: false highlights: - Patient Access production APIs upgraded from US Core 3.1.1 to US Core 6.1.0. - US Core 6.1.0 QuestionnaireResponse, ServiceRequest and Specimen resources added in production. - date: '2025-09-23' environment: Production type: portal breaking: false highlights: [Developer Portal UI refreshed and API Library reorganised.] - date: '2025-05-15' environment: Production type: coverage-expansion breaking: false highlights: [Patient Access APIs extended to fully insured Commercial members residing in Tennessee; no client changes required.] - date: '2025-04-04' environment: Production type: addition breaking: false highlights: - >- Da Vinci Coverage Requirements Discovery live in Production for provider systems to check whether prior authorization and documentation are required. - 'Hooks supported: order-sign, order-dispatch, appointment-book.' - >- Explicitly NOT supported - Meritain members, Medicaid members, pharmacy prior auth, and SNOMED procedure codes (CPT and HCPCS only). - date: '2024-12-05' environment: Production type: addition breaking: false highlights: - >- Realtime Pharmacy Benefit Check launched for members and EHR systems to obtain prescription cost and coverage information, in compliance with California AB 2352 and Texas HB 0662H. - 'Products: public-realtimepharmacybenefitcheckapi-fhir and public-realtimepharmacybenefitcheckatapi-fhir.' - date: '2024-11-15' environment: Production type: portal breaking: false highlights: [EHR application approval process and registration questionnaire added to the Developer Portal.] - date: '2024-04-19' environment: Production type: version-upgrade breaking: true highlights: - Upgraded to Da Vinci PDex US Drug Formulary 2.0.0 STU 2 - "major changes in number of Profiles, Resources, and Search Parameters". - The existing List API was DECOMMISSIONED from Patient Access products. - MedicationKnowledge upgraded to STU 2; new Formulary InsurancePlan, Basic and Location APIs added. - Patient Access CapabilityStatement updated; FHIR server endpoint URLs unchanged. - date: '2024-04-11' environment: Production type: addition breaking: false highlights: [ExplanationOfBenefit and Coverage now support the _revinclude parameter.] - date: '2024-02-02' environment: Production type: cosmetic breaking: false highlights: ['"-apigw" suffix removed from API and Product display names; Aetna states no functional impact.'] - date: '2023-12-15' environment: Production type: coverage-expansion breaking: false highlights: [Patient Access APIs extended to fully insured Commercial members residing in California.] - date: '2023-11-15' environment: Production type: addition breaking: false highlights: - Commercial insurance plan and provider data added to the Provider Directory APIs alongside Medicare data; no subscription changes required. - date: '2023-09-29' environment: Production type: addition breaking: false highlights: - Bulk FHIR export added for the Medicare Provider Directory - v1providerdirectorydataexport and v1providerdirectorydataexportstatusid. - 'Bulk search parameters: _since and _type; _type supports the seven Da Vinci PDex Plan Net profiles.' - Provider Directory CapabilityStatement updated. - date: '2023-09-29' environment: Sandbox type: deprecation breaking: true highlights: [Version 1 APIs in the Sandbox environment decommissioned.] - date: '2022-05-07' environment: Production type: deprecation breaking: true highlights: [Search parameter patient.identifier removed; _id and service-date search parameters introduced.]