openapi: 3.0.1
info:
  title: Health Gorilla FHIR R4 API
  description: >-
    HL7 FHIR R4 REST API for the Health Gorilla health-data interoperability
    network. Provides access to patient records, person-authorized federated
    record retrieval across national exchange networks (QHIN / TEFCA),
    diagnostic (lab and radiology) ordering and results, clinical documents,
    and coverage/eligibility data. All requests require OAuth 2.0 bearer
    authentication.
  termsOfService: https://www.healthgorilla.com/terms-of-service
  contact:
    name: Health Gorilla Developer Support
    email: info@healthgorilla.com
    url: https://developer.healthgorilla.com
  version: 'R4'
servers:
  - url: https://api.healthgorilla.com/fhir/R4
    description: Production
  - url: https://sandbox.healthgorilla.com/fhir/R4
    description: Sandbox
security:
  - bearerAuth: []
tags:
  - name: CapabilityStatement
    description: FHIR server capability discovery.
  - name: Patient
    description: Patient demographics and patient-scoped record retrieval.
  - name: ServiceRequest
    description: Diagnostic (lab and radiology) order requests.
  - name: RequestGroup
    description: Parent diagnostic orders nesting individual ServiceRequest tests.
  - name: DiagnosticReport
    description: Structured lab and radiology results.
  - name: Observation
    description: Individual result observations.
  - name: DocumentReference
    description: Clinical document metadata.
  - name: Binary
    description: Raw clinical document content.
  - name: Coverage
    description: Patient insurance coverage / eligibility.
  - name: Practitioner
    description: Ordering and rendering providers.
paths:
  /metadata:
    get:
      operationId: getCapabilityStatement
      tags:
        - CapabilityStatement
      summary: Retrieve the FHIR server CapabilityStatement.
      description: >-
        Returns the FHIR R4 CapabilityStatement describing supported
        resources, search parameters, operations, and authentication.
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/CapabilityStatement'
  /Patient:
    get:
      operationId: searchPatients
      tags:
        - Patient
      summary: Search Patient resources.
      parameters:
        - $ref: '#/components/parameters/identifier'
        - $ref: '#/components/parameters/name'
        - name: birthdate
          in: query
          schema:
            type: string
            format: date
        - name: gender
          in: query
          schema:
            type: string
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of matching Patient resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
    post:
      operationId: createPatient
      tags:
        - Patient
      summary: Create a Patient resource.
      requestBody:
        required: true
        content:
          application/fhir+json:
            schema:
              $ref: '#/components/schemas/Patient'
      responses:
        '201':
          description: Created
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Patient'
  /Patient/{id}:
    get:
      operationId: readPatient
      tags:
        - Patient
      summary: Read a Patient resource by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Patient'
        '404':
          $ref: '#/components/responses/OperationOutcome'
    put:
      operationId: updatePatient
      tags:
        - Patient
      summary: Update a Patient resource.
      parameters:
        - $ref: '#/components/parameters/id'
      requestBody:
        required: true
        content:
          application/fhir+json:
            schema:
              $ref: '#/components/schemas/Patient'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Patient'
  /Patient/{id}/$everything:
    get:
      operationId: patientEverything
      tags:
        - Patient
      summary: Retrieve all records for a patient.
      description: >-
        FHIR $everything operation returning a Bundle of all resources in the
        patient compartment, including federated records retrieved across the
        national exchange network.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: A FHIR Bundle of patient-scoped resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
        '202':
          description: >-
            Accepted - federated retrieval is in progress; poll the returned
            location for completed, partial, or failed status.
  /RequestGroup:
    post:
      operationId: createRequestGroup
      tags:
        - RequestGroup
      summary: Submit a diagnostic order.
      description: >-
        Creates a RequestGroup parent order that nests one or more
        ServiceRequest resources (individual tests) for submission to a
        participating diagnostic laboratory or radiology partner.
      requestBody:
        required: true
        content:
          application/fhir+json:
            schema:
              $ref: '#/components/schemas/RequestGroup'
      responses:
        '201':
          description: Created
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/RequestGroup'
    get:
      operationId: searchRequestGroups
      tags:
        - RequestGroup
      summary: Search RequestGroup orders.
      parameters:
        - $ref: '#/components/parameters/patient'
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of RequestGroup resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
  /RequestGroup/{id}:
    get:
      operationId: readRequestGroup
      tags:
        - RequestGroup
      summary: Read a RequestGroup order by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/RequestGroup'
  /ServiceRequest:
    get:
      operationId: searchServiceRequests
      tags:
        - ServiceRequest
      summary: Search ServiceRequest resources.
      parameters:
        - $ref: '#/components/parameters/patient'
        - name: status
          in: query
          schema:
            type: string
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of ServiceRequest resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
    post:
      operationId: createServiceRequest
      tags:
        - ServiceRequest
      summary: Create a ServiceRequest resource.
      requestBody:
        required: true
        content:
          application/fhir+json:
            schema:
              $ref: '#/components/schemas/ServiceRequest'
      responses:
        '201':
          description: Created
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/ServiceRequest'
  /ServiceRequest/{id}:
    get:
      operationId: readServiceRequest
      tags:
        - ServiceRequest
      summary: Read a ServiceRequest resource by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/ServiceRequest'
  /DiagnosticReport:
    get:
      operationId: searchDiagnosticReports
      tags:
        - DiagnosticReport
      summary: Search DiagnosticReport resources.
      parameters:
        - $ref: '#/components/parameters/patient'
        - name: category
          in: query
          schema:
            type: string
        - name: date
          in: query
          schema:
            type: string
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of DiagnosticReport resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
  /DiagnosticReport/{id}:
    get:
      operationId: readDiagnosticReport
      tags:
        - DiagnosticReport
      summary: Read a DiagnosticReport resource by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/DiagnosticReport'
  /Observation:
    get:
      operationId: searchObservations
      tags:
        - Observation
      summary: Search Observation resources.
      parameters:
        - $ref: '#/components/parameters/patient'
        - name: code
          in: query
          schema:
            type: string
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of Observation resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
  /DocumentReference:
    get:
      operationId: searchDocumentReferences
      tags:
        - DocumentReference
      summary: Search DocumentReference resources.
      parameters:
        - $ref: '#/components/parameters/patient'
        - name: type
          in: query
          schema:
            type: string
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of DocumentReference resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
  /DocumentReference/{id}:
    get:
      operationId: readDocumentReference
      tags:
        - DocumentReference
      summary: Read a DocumentReference resource by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/DocumentReference'
  /Binary/{id}:
    get:
      operationId: readBinary
      tags:
        - Binary
      summary: Retrieve raw document content.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: The document content (CCDA, PDF, or other format).
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Binary'
            application/octet-stream:
              schema:
                type: string
                format: binary
  /Coverage:
    get:
      operationId: searchCoverage
      tags:
        - Coverage
      summary: Search Coverage resources.
      parameters:
        - $ref: '#/components/parameters/patient'
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of Coverage resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
  /Coverage/{id}:
    get:
      operationId: readCoverage
      tags:
        - Coverage
      summary: Read a Coverage resource by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Coverage'
  /Practitioner:
    get:
      operationId: searchPractitioners
      tags:
        - Practitioner
      summary: Search Practitioner resources.
      parameters:
        - $ref: '#/components/parameters/identifier'
        - $ref: '#/components/parameters/name'
        - $ref: '#/components/parameters/count'
      responses:
        '200':
          description: A FHIR Bundle of Practitioner resources.
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
  /Practitioner/{id}:
    get:
      operationId: readPractitioner
      tags:
        - Practitioner
      summary: Read a Practitioner resource by id.
      parameters:
        - $ref: '#/components/parameters/id'
      responses:
        '200':
          description: OK
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Practitioner'
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        OAuth 2.0 bearer access token. Obtain a token using the client
        credentials issued during onboarding via the Health Gorilla OAuth 2.0
        token endpoint, then pass it as `Authorization: Bearer {token}`.
  parameters:
    id:
      name: id
      in: path
      required: true
      description: The logical id of the resource.
      schema:
        type: string
    identifier:
      name: identifier
      in: query
      description: A resource identifier (system|value).
      schema:
        type: string
    name:
      name: name
      in: query
      description: A portion of the name.
      schema:
        type: string
    patient:
      name: patient
      in: query
      description: Reference to the subject Patient (e.g. Patient/{id}).
      schema:
        type: string
    count:
      name: _count
      in: query
      description: Number of results per page.
      schema:
        type: integer
  responses:
    OperationOutcome:
      description: A FHIR OperationOutcome describing an error.
      content:
        application/fhir+json:
          schema:
            $ref: '#/components/schemas/OperationOutcome'
  schemas:
    Resource:
      type: object
      properties:
        resourceType:
          type: string
        id:
          type: string
        meta:
          type: object
    Bundle:
      type: object
      properties:
        resourceType:
          type: string
          example: Bundle
        type:
          type: string
          example: searchset
        total:
          type: integer
        link:
          type: array
          items:
            type: object
            properties:
              relation:
                type: string
              url:
                type: string
        entry:
          type: array
          items:
            type: object
            properties:
              fullUrl:
                type: string
              resource:
                type: object
    Patient:
      type: object
      properties:
        resourceType:
          type: string
          example: Patient
        id:
          type: string
        identifier:
          type: array
          items:
            type: object
        name:
          type: array
          items:
            type: object
        gender:
          type: string
        birthDate:
          type: string
          format: date
        address:
          type: array
          items:
            type: object
        telecom:
          type: array
          items:
            type: object
    ServiceRequest:
      type: object
      properties:
        resourceType:
          type: string
          example: ServiceRequest
        id:
          type: string
        status:
          type: string
          example: active
        intent:
          type: string
          example: order
        code:
          type: object
        subject:
          type: object
        requester:
          type: object
        performer:
          type: array
          items:
            type: object
    RequestGroup:
      type: object
      properties:
        resourceType:
          type: string
          example: RequestGroup
        id:
          type: string
        status:
          type: string
          example: active
        intent:
          type: string
          example: order
        subject:
          type: object
        author:
          type: object
        action:
          type: array
          items:
            type: object
            properties:
              resource:
                type: object
                description: Reference to a nested ServiceRequest.
    DiagnosticReport:
      type: object
      properties:
        resourceType:
          type: string
          example: DiagnosticReport
        id:
          type: string
        status:
          type: string
        category:
          type: array
          items:
            type: object
        code:
          type: object
        subject:
          type: object
        effectiveDateTime:
          type: string
          format: date-time
        result:
          type: array
          items:
            type: object
            description: References to Observation resources.
        presentedForm:
          type: array
          items:
            type: object
    Observation:
      type: object
      properties:
        resourceType:
          type: string
          example: Observation
        id:
          type: string
        status:
          type: string
        code:
          type: object
        subject:
          type: object
        valueQuantity:
          type: object
        referenceRange:
          type: array
          items:
            type: object
    DocumentReference:
      type: object
      properties:
        resourceType:
          type: string
          example: DocumentReference
        id:
          type: string
        status:
          type: string
        type:
          type: object
        subject:
          type: object
        content:
          type: array
          items:
            type: object
            properties:
              attachment:
                type: object
                properties:
                  contentType:
                    type: string
                  url:
                    type: string
    Binary:
      type: object
      properties:
        resourceType:
          type: string
          example: Binary
        id:
          type: string
        contentType:
          type: string
        data:
          type: string
          format: byte
    Coverage:
      type: object
      properties:
        resourceType:
          type: string
          example: Coverage
        id:
          type: string
        status:
          type: string
        beneficiary:
          type: object
        payor:
          type: array
          items:
            type: object
        subscriberId:
          type: string
    Practitioner:
      type: object
      properties:
        resourceType:
          type: string
          example: Practitioner
        id:
          type: string
        identifier:
          type: array
          items:
            type: object
        name:
          type: array
          items:
            type: object
    CapabilityStatement:
      type: object
      properties:
        resourceType:
          type: string
          example: CapabilityStatement
        status:
          type: string
        fhirVersion:
          type: string
          example: 4.0.1
        rest:
          type: array
          items:
            type: object
    OperationOutcome:
      type: object
      properties:
        resourceType:
          type: string
          example: OperationOutcome
        issue:
          type: array
          items:
            type: object
            properties:
              severity:
                type: string
              code:
                type: string
              diagnostics:
                type: string