Aetna Realtime Pharmacy Benefit Check API
Consumer Real-Time Pharmacy Benefit Check 1.0.0, launched 2024-12-05, letting members and EHR systems retrieve prescription drug cost and coverage information at the point of prescribing. Built to satisfy California AB 2352 and Texas HB 0662H. Exposed as a FHIR messaging operation at /v1/realtimepharmacybenefitcheck/$process-message (member-facing) and /realtimepharmacybenefitcheck/v1/$process-message (provider-facing). Production traffic moved to the apix.cvshealth.com host on 2026-03-04. Spec documents returned HTTP 403 to this harvest.