openapi: 3.1.0
info:
  title: Cigna Drug Formulary Bulk Data Location 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: Location
paths:
  /Location:
    get:
      operationId: searchLocation
      summary: Search locations of Cigna network providers
      tags:
      - Location
      parameters:
      - name: address
        in: query
        schema:
          type: string
      - name: address-postalcode
        in: query
        schema:
          type: string
      responses:
        '200':
          description: FHIR Bundle of Location resources
externalDocs:
  description: Cigna Service APIs
  url: https://developer.cigna.com/docs/service-apis