openapi: 3.1.0
info:
  title: Cigna Drug Formulary Bulk Data 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: Bulk Data
paths:
  /Group/{groupId}/$export:
    get:
      operationId: bulkExportGroup
      summary: Initiate a bulk data export for a panel of attributed members
      tags:
      - Bulk Data
      parameters:
      - name: groupId
        in: path
        required: true
        schema:
          type: string
      responses:
        '202':
          description: Bulk export accepted
externalDocs:
  description: Cigna Service APIs
  url: https://developer.cigna.com/docs/service-apis