openapi: 3.0.2
info:
  title: Fast Healthcare Interoperability Resources (FHIR) AllergyIntolerance Metadata API
  description: This Section describes the expected capabilities of the US Core Server actor which is responsible for providing responses to the queries submitted by the US Core Requestors. The complete list of FHIR profiles, RESTful operations, and search parameters supported by US Core Servers are defined. Systems implementing this capability statement should meet the ONC 2015 Common Clinical Data Set (CCDS) access requirement for Patient Selection 170.315(g)(7) and Application Access - Data Category Request 170.315(g)(8) and the ONC [U.S. Core Data for Interoperability (USCDI) Version 4 July 2023](https://www.healthit.gov/sites/isa/files/2023-07/Final-USCDI-Version-4-July-2023-Final.pdf).
  license:
    name: Creative Commons Zero v1.0 Universal
    url: http://spdx.org/licenses/CC0-1.0.html
  version: 7.0.0
  contact:
    name: HL7 International / Cross-Group Projects
    email: cgp@lists.HL7.org
    url: http://www.hl7.org/Special/committees/cgp
tags:
- name: Metadata
paths:
  /metadata:
    summary: Access to the Server's Capability Statement
    description: All FHIR Servers return a CapabilityStatement that describes what services they perform
    get:
      summary: Fast Healthcare Interoperability Resources Return the server's capability statement
      operationId: metadata
      responses:
        '200':
          description: the capbility statement
          content:
            application/fhir+json:
              schema:
                $ref: https://hl7.org/fhir/R4/fhir.schema.json#/definitions/CapabilityStatement
            application/fhir+xml:
              schema:
                $ref: https://hl7.org/fhir/R4/CapabilityStatement.xsd
        default:
          description: Error, with details
          content:
            application/fhir+json:
              schema:
                $ref: https://hl7.org/fhir/R4/fhir.schema.json#/definitions/OperationOutcome
            application/fhir+xml:
              schema:
                $ref: https://hl7.org/fhir/R4/OperationOutcome.xsd
      parameters:
      - $ref: '#/components/parameters/format'
      - $ref: '#/components/parameters/pretty'
      - $ref: '#/components/parameters/summary'
      - $ref: '#/components/parameters/elements'
      tags:
      - Metadata
components:
  parameters:
    elements:
      name: _elements
      in: query
      description: Requests the server to return a collection of elements from the resource
      allowEmptyValue: true
      style: form
      explode: false
      schema:
        type: array
        format: string
        items:
          format: string
    pretty:
      name: _pretty
      in: query
      description: Ask for a pretty printed response for human convenience
      allowEmptyValue: true
      style: form
      schema:
        type: boolean
    summary:
      name: _summary
      in: query
      description: Requests the server to return a designated subset of the resource
      allowEmptyValue: true
      style: form
      schema:
        type: string
        enum:
        - 'true'
        - text
        - data
        - count
        - 'false'
    format:
      name: _format
      in: query
      description: 'Specify alternative response formats by their MIME-types (when a client is unable acccess accept: header)'
      allowEmptyValue: true
      style: form
      schema:
        type: string
        format: mime-type
externalDocs:
  url: http://hl7.org/fhir/us/core/CapabilityStatement/us-core-server
  description: FHIR CapabilityStatement