Canvas Medical Slot API
Available appointment time slots
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OpenAPI Specification
openapi: 3.2.0
info:
title: Canvas Medical FHIR AllergyIntolerance Slot 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: Slot
description: Available appointment time slots
paths:
/Slot:
get:
operationId: searchSlot
summary: Search Slots
description: Search for available appointment slots
tags:
- Slot
parameters:
- name: schedule
in: query
schema:
type: string
- $ref: '#/components/parameters/status'
- $ref: '#/components/parameters/date'
- $ref: '#/components/parameters/count'
- $ref: '#/components/parameters/pageToken'
responses:
'200':
description: Bundle of matching slots
content:
application/fhir+json:
schema:
$ref: '#/components/schemas/Bundle'
'401':
$ref: '#/components/responses/Unauthorized'
/Slot/{id}:
get:
operationId: readSlot
summary: Read Slot
tags:
- Slot
parameters:
- $ref: '#/components/parameters/resourceId'
responses:
'200':
description: Slot resource
content:
application/fhir+json:
schema:
$ref: '#/components/schemas/Slot'
'401':
$ref: '#/components/responses/Unauthorized'
'404':
$ref: '#/components/responses/ResourceNotFound'
components:
schemas:
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
Coding:
type: object
properties:
system:
type: string
version:
type: string
code:
type: string
display:
type: string
userSelected:
type: boolean
CodeableConcept:
type: object
properties:
coding:
type: array
items:
$ref: '#/components/schemas/Coding'
text:
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
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'
Slot:
allOf:
- $ref: '#/components/schemas/FHIRResource'
- type: object
required:
- resourceType
- schedule
- status
- start
- end
properties:
resourceType:
type: string
default: Slot
schedule:
$ref: '#/components/schemas/Reference'
status:
type: string
enum:
- busy
- free
- busy-unavailable
- busy-tentative
- entered-in-error
start:
type: string
format: date-time
end:
type: string
format: date-time
Narrative:
type: object
properties:
status:
type: string
enum:
- generated
- extensions
- additional
- empty
div:
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'
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'
parameters:
date:
name: date
in: query
schema:
type: string
description: Filter by date (FHIR date search parameter)
count:
name: _count
in: query
schema:
type: integer
default: 20
description: Maximum number of results per page
pageToken:
name: _page_token
in: query
schema:
type: string
description: Pagination token for next page
resourceId:
name: id
in: path
required: true
schema:
type: string
description: Logical ID of the FHIR resource
status:
name: status
in: query
schema:
type: string
description: Filter by resource status
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/