Canvas Medical DocumentReference API

openapi: 3.0.3
info:
  title: Canvas Medical FHIR AllergyIntolerance DocumentReference API
  description: 'A FHIR R4-compliant REST API providing secure access to electronic health record data. Canvas Medical supports 41 FHIR resources (21 with write capabilities) covering clinical, administrative, financial, and care coordination domains. The API follows the HL7 FHIR R4 specification and supports OAuth 2.0 Client Credentials and Authorization Code flows with SMART on FHIR scopes for machine-to-machine and user-delegated access.

    '
  version: '4.0'
  contact:
    name: Canvas Medical Support
    url: https://help.canvasmedical.com/
  termsOfService: https://www.canvasmedical.com/
  license:
    name: HL7 FHIR R4
    url: https://hl7.org/fhir/R4/
servers:
- url: https://fumage-{canvas-instance}.canvasmedical.com
  description: FHIR R4 base URL (fumage subdomain)
  variables:
    canvas-instance:
      default: yoursandbox
      description: Your Canvas Medical instance name
security:
- OAuth2ClientCredentials: []
- OAuth2AuthCode: []
- BearerAuth: []
tags:
- name: DocumentReference
  description: Clinical documents and attachments
paths:
  /DocumentReference:
    get:
      operationId: searchDocumentReference
      summary: Search DocumentReferences
      tags:
      - DocumentReference
      parameters:
      - $ref: '#/components/parameters/patient'
      - $ref: '#/components/parameters/status'
      - name: type
        in: query
        schema:
          type: string
      - $ref: '#/components/parameters/count'
      - $ref: '#/components/parameters/pageToken'
      responses:
        '200':
          description: Bundle of matching document references
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createDocumentReference
      summary: Create DocumentReference
      tags:
      - DocumentReference
      requestBody:
        required: true
        content:
          application/fhir+json:
            schema:
              $ref: '#/components/schemas/DocumentReference'
      responses:
        '201':
          description: DocumentReference created
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/DocumentReference'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
  /DocumentReference/{id}:
    get:
      operationId: readDocumentReference
      summary: Read DocumentReference
      tags:
      - DocumentReference
      parameters:
      - $ref: '#/components/parameters/resourceId'
      responses:
        '200':
          description: DocumentReference resource
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/DocumentReference'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/ResourceNotFound'
components:
  schemas:
    FHIRResource:
      type: object
      description: Base FHIR R4 resource properties
      properties:
        resourceType:
          type: string
          description: FHIR resource type name
        id:
          type: string
          description: Logical id of this artifact
        meta:
          $ref: '#/components/schemas/Meta'
        text:
          $ref: '#/components/schemas/Narrative'
    DocumentReference:
      allOf:
      - $ref: '#/components/schemas/FHIRResource'
      - type: object
        required:
        - resourceType
        - status
        - content
        properties:
          resourceType:
            type: string
            default: DocumentReference
          status:
            type: string
            enum:
            - current
            - superseded
            - entered-in-error
          type:
            $ref: '#/components/schemas/CodeableConcept'
          category:
            type: array
            items:
              $ref: '#/components/schemas/CodeableConcept'
          subject:
            $ref: '#/components/schemas/Reference'
          date:
            type: string
            format: date-time
          content:
            type: array
            items:
              type: object
              properties:
                attachment:
                  type: object
                  properties:
                    contentType:
                      type: string
                    data:
                      type: string
                      format: byte
                    url:
                      type: string
                    title:
                      type: string
    CodeableConcept:
      type: object
      properties:
        coding:
          type: array
          items:
            $ref: '#/components/schemas/Coding'
        text:
          type: string
    Bundle:
      type: object
      properties:
        resourceType:
          type: string
          default: Bundle
        id:
          type: string
        type:
          type: string
          enum:
          - document
          - message
          - transaction
          - transaction-response
          - batch
          - batch-response
          - history
          - searchset
          - collection
          - subscription-notification
        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:
                $ref: '#/components/schemas/FHIRResource'
              search:
                type: object
                properties:
                  mode:
                    type: string
                    enum:
                    - match
                    - include
                    - outcome
    Narrative:
      type: object
      properties:
        status:
          type: string
          enum:
          - generated
          - extensions
          - additional
          - empty
        div:
          type: string
    OperationOutcome:
      type: object
      properties:
        resourceType:
          type: string
          default: OperationOutcome
        issue:
          type: array
          items:
            type: object
            properties:
              severity:
                type: string
                enum:
                - fatal
                - error
                - warning
                - information
              code:
                type: string
              details:
                $ref: '#/components/schemas/CodeableConcept'
              diagnostics:
                type: string
              location:
                type: array
                items:
                  type: string
    Meta:
      type: object
      properties:
        versionId:
          type: string
        lastUpdated:
          type: string
          format: date-time
        source:
          type: string
        profile:
          type: array
          items:
            type: string
        tag:
          type: array
          items:
            $ref: '#/components/schemas/Coding'
    Coding:
      type: object
      properties:
        system:
          type: string
        version:
          type: string
        code:
          type: string
        display:
          type: string
        userSelected:
          type: boolean
    Reference:
      type: object
      properties:
        reference:
          type: string
        type:
          type: string
        display:
          type: string
  responses:
    ResourceNotFound:
      description: Resource not found
      content:
        application/fhir+json:
          schema:
            $ref: '#/components/schemas/OperationOutcome'
    Unauthorized:
      description: Authentication required
      content:
        application/fhir+json:
          schema:
            $ref: '#/components/schemas/OperationOutcome'
    UnprocessableEntity:
      description: Validation error
      content:
        application/fhir+json:
          schema:
            $ref: '#/components/schemas/OperationOutcome'
  parameters:
    status:
      name: status
      in: query
      schema:
        type: string
      description: Filter by resource status
    count:
      name: _count
      in: query
      schema:
        type: integer
        default: 20
      description: Maximum number of results per page
    resourceId:
      name: id
      in: path
      required: true
      schema:
        type: string
      description: Logical ID of the FHIR resource
    pageToken:
      name: _page_token
      in: query
      schema:
        type: string
      description: Pagination token for next page
    patient:
      name: patient
      in: query
      schema:
        type: string
      description: Filter by patient ID or reference
  securitySchemes:
    OAuth2ClientCredentials:
      type: oauth2
      description: 'Machine-to-machine authentication using client credentials grant. Obtain client_id and client_secret from Canvas admin panel.

        '
      flows:
        clientCredentials:
          tokenUrl: https://{canvas-instance}.canvasmedical.com/auth/token/
          scopes:
            system/*.read: Read all FHIR resources
            system/*.write: Write all FHIR resources
            system/Patient.read: Read Patient resources
            system/Patient.write: Write Patient resources
            system/Appointment.read: Read Appointment resources
            system/Appointment.write: Write Appointment resources
            system/Observation.read: Read Observation resources
            system/Observation.write: Write Observation resources
    OAuth2AuthCode:
      type: oauth2
      description: 'User-delegated access using Authorization Code flow with SMART on FHIR scopes.

        '
      flows:
        authorizationCode:
          authorizationUrl: https://{canvas-instance}.canvasmedical.com/auth/authorize/
          tokenUrl: https://{canvas-instance}.canvasmedical.com/auth/token/
          scopes:
            patient/*.read: Read patient-context FHIR resources
            user/*.read: Read user-context FHIR resources
            user/*.write: Write user-context FHIR resources
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
externalDocs:
  description: Canvas Medical FHIR API Documentation
  url: https://docs.canvasmedical.com/api/