AmeriHealth Caritas Formulary FHIR API
HL7 FHIR R4 Formulary API published to satisfy CMS-9115-F drug formulary publication requirements for Medicaid managed care and D-SNP populations. Covered drug lists, tier information, and prior authorization indicators are exposed through FHIR MedicationKnowledge and List resources. Documented at developer.amerihealthcaritas.com as a public, no-authentication surface; the canonical public base URL is not separately published at api-ext.amerihealthcaritas.com and formulary resources are currently surfaced inside the Patient Access API under MedicationKnowledge / List.