openapi: 3.1.0
info:
  title: Matrix Client-Server Account Sync API
  version: v3
  description: 'REST API used by Matrix clients to communicate with a homeserver. Covers

    login, account management, sync, room creation and membership, message

    send and history, profile and presence, device management, end-to-end

    encryption keys, and the public rooms directory. Newer endpoints sit

    under /_matrix/client/v3 with selected features under /v1.

    '
  contact:
    name: Matrix.org Foundation
    url: https://matrix.org
servers:
- url: https://{homeserver}/_matrix/client
  description: Matrix homeserver Client-Server API root
  variables:
    homeserver:
      default: matrix.org
security:
- BearerAuth: []
tags:
- name: Sync
paths:
  /v3/sync:
    get:
      summary: Synchronize client state with the server
      operationId: sync
      parameters:
      - in: query
        name: since
        schema:
          type: string
      - in: query
        name: timeout
        schema:
          type: integer
      - in: query
        name: full_state
        schema:
          type: boolean
      - in: query
        name: set_presence
        schema:
          type: string
          enum:
          - offline
          - online
          - unavailable
      - in: query
        name: filter
        schema:
          type: string
      responses:
        '200':
          description: Sync state delta.
      tags:
      - Sync
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: 'Matrix access token issued by the homeserver after login, passed as

        `Authorization: Bearer {access_token}`. Some endpoints (login,

        register, refresh) do not require authentication.

        '