Canvas Announcements API

openapi: 3.2.0
info:
  title: Canvas LMS REST Announcements API
  version: v1
  summary: The complete Canvas LMS REST API, converted from the Swagger 1.2 documents Instructure publishes under https://canvas.instructure.com/doc/api/.
  description: The Canvas LMS REST API covers courses, assignments, quizzes, grades, users, enrollments, accounts, files, modules, rubrics, submissions, SIS imports, LTI, analytics and account administration.
  contact:
    name: Instructure Canvas
    url: https://canvas.instructure.com/doc/api/
  license:
    name: AGPL-3.0
    url: https://github.com/instructure/canvas-lms/blob/master/LICENSE
servers:
- url: https://canvas.instructure.com/api
  description: Instructure-hosted Canvas (canvas.instructure.com)
- url: https://{canvas_host}/api
  description: Any Canvas instance; Canvas is multi-tenant and self-hostable, so the host is the institution's Canvas domain.
  variables:
    canvas_host:
      default: canvas.instructure.com
      description: Your institution's Canvas hostname, e.g. school.instructure.com
security:
- bearerAuth: []
- oauth2: []
tags:
- name: Announcements
  x-resource: announcements
  externalDocs:
    url: https://canvas.instructure.com/doc/api/announcements.html
paths:
  /v1/announcements:
    get:
      tags:
      - Announcements
      operationId: list_announcements
      summary: List announcements
      description: 'Returns the paginated list of announcements for the given courses and date range. Note that

        a +context_code+ field is added to the responses so you can tell which course each announcement

        belongs to.'
      parameters:
      - name: context_codes
        in: query
        schema:
          type: array
          items:
            type: string
        required: true
        description: 'List of context_codes to retrieve announcements for (for example, +course_123+). Only courses

          are presently supported. The call will fail unless the caller has View Announcements permission

          in all listed courses.'
      - name: start_date
        in: query
        schema:
          type: string
          format: date
        required: false
        description: 'Only return announcements posted since the start_date (inclusive).

          Defaults to 14 days ago. The value should be formatted as: yyyy-mm-dd or ISO 8601 YYYY-MM-DDTHH:MM:SSZ.'
      - name: end_date
        in: query
        schema:
          type: string
          format: date
        required: false
        description: 'Only return announcements posted before the end_date (inclusive).

          Defaults to 28 days from start_date. The value should be formatted as: yyyy-mm-dd or ISO 8601 YYYY-MM-DDTHH:MM:SSZ.

          Announcements scheduled for future posting will only be returned to course administrators.'
      - name: available_after
        in: query
        schema:
          type: string
          format: date
        required: false
        description: 'Only return announcements having locked_at nil or after available_after (exclusive).

          The value should be formatted as: yyyy-mm-dd or ISO 8601 YYYY-MM-DDTHH:MM:SSZ.

          Effective only for students (who don''t have moderate forum right).'
      - name: active_only
        in: query
        schema:
          type: boolean
        required: false
        description: 'Only return active announcements that have been published.

          Applies only to requesting users that have permission to view

          unpublished items.

          Defaults to false for users with access to view unpublished items,

          otherwise true and unmodifiable.'
      - name: latest_only
        in: query
        schema:
          type: boolean
        required: false
        description: 'Only return the latest announcement for each associated context.

          The response will include at most one announcement for each

          specified context in the context_codes[] parameter.

          Defaults to false.'
      - name: include
        in: query
        schema:
          type: array
          items: {}
        required: false
        description: "Optional list of resources to include with the response. May include\na string of the name of the resource. Possible values are:\n\"sections\", \"sections_user_count\"\nif \"sections\" is passed, includes the course sections that are associated\nwith the topic, if the topic is specific to certain sections of the course.\nIf \"sections_user_count\" is passed, then:\n  (a) If sections were asked for *and* the topic is specific to certain\n      course sections sections, includes the number of users in each\n      section. (as part of the section json asked for above)\n  (b) Else, includes at the root level the total number of users in the\n      topic's context (group or course) that the topic applies to."
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
                  x-canvas-declared-type: DiscussionTopic
      externalDocs:
        url: https://canvas.instructure.com/doc/api/announcements.html
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Canvas OAuth2 access token sent as "Authorization: Bearer <token>". See https://canvas.instructure.com/doc/api/file.oauth.html'
    oauth2:
      type: oauth2
      description: Canvas OAuth2. See https://canvas.instructure.com/doc/api/file.oauth.html and https://canvas.instructure.com/doc/api/file.oauth_endpoints.html
      flows:
        authorizationCode:
          authorizationUrl: https://canvas.instructure.com/login/oauth2/auth
          tokenUrl: https://canvas.instructure.com/login/oauth2/token
          refreshUrl: https://canvas.instructure.com/login/oauth2/token
          scopes: {}
externalDocs:
  description: Canvas LMS REST API Documentation
  url: https://canvas.instructure.com/doc/api/
x-generated-from: https://canvas.instructure.com/doc/api/api-docs.json
x-provenance:
  method: derived
  derived_by: API Evangelist enrichment pipeline (Swagger 1.2 -> OpenAPI 3.1 conversion)
  source: openapi/_original/swagger-1.2/*.json (144 verbatim first-party Swagger 1.2 documents)
  source_url: https://canvas.instructure.com/doc/api/api-docs.json
  fetched: '2026-09-05'
  http_status: 200