openapi: 3.1.0
info:
  title: Cigna Drug Formulary Bulk Data MedicationRequest API
  description: Public FHIR-based Drug Formulary API exposing Cigna's covered drug lists, formulary tiers, prior authorization, step therapy, and quantity limits. Implements the HL7 Da Vinci PDex US Drug Formulary IG required by the CMS Interoperability and Patient Access rule.
  version: '1.0'
  contact:
    name: Cigna Developer Support
    url: https://developer.cigna.com/support
servers:
- url: https://fhir.cigna.com/DrugFormulary/v1
  description: Cigna Drug Formulary Production
tags:
- name: MedicationRequest
paths:
  /MedicationRequest:
    get:
      operationId: searchMedicationRequest
      summary: Retrieve medication requests for the authenticated member
      tags:
      - MedicationRequest
      responses:
        '200':
          description: FHIR Bundle of MedicationRequest resources
externalDocs:
  description: Cigna Service APIs
  url: https://developer.cigna.com/docs/service-apis