openapi: 3.1.0 info: title: Humana FHIR Clinical Coverage API description: Minimal OpenAPI description for Humana's FHIR R4 / US Core STU3 patient access APIs covering common clinical, medication, and coverage resources. Each endpoint returns a FHIR Bundle (searchset) of the named resource type. Generated from public documentation; verify before production use. version: R4 contact: name: Humana Developer Portal url: https://developers.humana.com/ x-generated-from: https://developers.humana.com/apis/allergyintolerance-api/doc x-generated-by: claude-crawl-2026-05-08 servers: - url: https://fhir.humana.com/api description: Humana FHIR production - url: https://sandbox-fhir.humana.com/api description: Humana FHIR sandbox security: - bearerAuth: [] tags: - name: Coverage description: Coverage and insurance FHIR resources paths: /Coverage: get: operationId: searchCoverage summary: Search Coverage tags: - Coverage parameters: - name: patient in: query required: true schema: type: string responses: '200': description: FHIR Bundle content: application/json: schema: $ref: '#/components/schemas/Bundle' components: schemas: Bundle: type: object properties: resourceType: type: string const: Bundle type: type: string total: type: integer entry: type: array items: type: object securitySchemes: bearerAuth: type: http scheme: bearer