openapi: 3.0.3
info:
  title: SMART Health IT Sandbox FHIR APIs Bulk Data Conformance API
  description: Public, free sandbox APIs operated by SMART Health IT (Computational Health Informatics Program, Boston Children's Hospital / Harvard Medical School) for building and testing SMART on FHIR apps. Three surfaces are described here. (1) The open FHIR R4 sandbox at https://r4.smarthealthit.org - synthetic patient records served over plain FHIR REST with no authentication (DSTU2 and STU3 variants exist at r2/r3.smarthealthit.org). (2) The SMART App Launcher's protected FHIR R4 proxy at https://launch.smarthealthit.org/v/r4/fhir, which requires an OAuth 2.0 access token obtained through the HL7 SMART App Launch flow at /v/r4/auth/authorize and /v/r4/auth/token (no client registration needed). (3) The reference Bulk Data server at https://bulk-data.smarthealthit.org/fhir, which implements FHIR Bulk Data $export with SMART Backend Services JWT authentication. All data is synthetic; these servers are for development and testing, never real PHI.
  version: '1.0'
  contact:
    name: SMART Health IT
    url: https://smarthealthit.org
  license:
    name: Apache 2.0
    url: https://github.com/smart-on-fhir/smart-launcher-v2/blob/main/LICENSE
servers:
- url: https://r4.smarthealthit.org
  description: Open FHIR R4 sandbox (no authentication required)
- url: https://launch.smarthealthit.org/v/r4/fhir
  description: SMART App Launcher protected FHIR R4 proxy (SMART App Launch OAuth 2.0)
- url: https://bulk-data.smarthealthit.org/fhir
  description: Reference Bulk Data server (SMART Backend Services authentication)
security:
- smartOnFhir: []
- {}
tags:
- name: Conformance
  description: Server capability discovery.
paths:
  /metadata:
    get:
      operationId: getCapabilityStatement
      tags:
      - Conformance
      summary: Retrieve the FHIR CapabilityStatement
      description: Returns the server's FHIR R4 CapabilityStatement. On the launcher proxy the security section advertises the OAuth2 SMART-on-FHIR service with authorize, token, and introspect extension URIs.
      security: []
      responses:
        '200':
          description: The server CapabilityStatement.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/FhirResource'
components:
  schemas:
    FhirResource:
      type: object
      description: Any FHIR R4 resource, identified by its resourceType element.
      properties:
        resourceType:
          type: string
        id:
          type: string
      additionalProperties: true
  securitySchemes:
    smartOnFhir:
      type: oauth2
      description: HL7 SMART App Launch OAuth 2.0 profile, used by the launcher's protected FHIR proxy. The open r4.smarthealthit.org sandbox requires no authentication; the Bulk Data server uses SMART Backend Services (client_credentials with a signed JWT assertion).
      flows:
        authorizationCode:
          authorizationUrl: https://launch.smarthealthit.org/v/r4/auth/authorize
          tokenUrl: https://launch.smarthealthit.org/v/r4/auth/token
          scopes:
            openid: OpenID Connect identity.
            fhirUser: Identity of the launching user as a FHIR resource.
            launch/patient: Request a patient in context at launch.
            patient/*.read: Read all resources for the patient in context.
            user/*.read: Read all resources the user can access.
            system/*.read: Backend services system-level read access.
        clientCredentials:
          tokenUrl: https://launch.smarthealthit.org/v/r4/auth/token
          scopes:
            system/*.read: Backend services system-level read access.
externalDocs:
  description: SMART on FHIR developer documentation
  url: https://docs.smarthealthit.org