matrix-spec/api/client-server/list_public_rooms.yaml

swagger: '2.0'
info:
  title: "Matrix Client-Server Room Creation API"
  version: "1.0.0"
host: localhost:8008
schemes:
  - https
  - http
basePath: /_matrix/client/%CLIENT_MAJOR_VERSION%
consumes:
  - application/json
produces:
  - application/json
paths:
  "/publicRooms":
    get:
      summary: Lists the public rooms on the server.
      description: |-
        Lists the public rooms on the server.

        This API returns paginated responses.
      responses:
        200:
          description: A list of the rooms on the server.
          schema:
            type: object
            description: A list of the rooms on the server.
            properties:
              chunk:
                title: "PublicRoomsChunks"
                type: array
                description: |-
                  A paginated chunk of public rooms.
                items:
                  type: object
                  title: "PublicRoomsChunk"
                  properties:
                    aliases:
                      type: array
                      description: |-
                        Aliases of the room. May be empty.
                      items:
                        type: string
                    name:
                      type: string
                      description: |-
                        The name of the room, if any. May be null.
                    num_joined_members:
                      type: number
                      description: |-
                        The number of members joined to the room.
                    room_id:
                      type: string
                      description: |-
                        The ID of the room.
                    topic:
                      type: string
                      description: |-
                        The topic of the room, if any. May be null.
                    world_readable:
                      type: boolean
                      description: |-
                        Whether the room may be viewed by guest users without joining.
                    guest_can_join:
                      type: boolean
                      description: |-
                        Whether guest users may join the room and participate in it.
                        If they can, they will be subject to ordinary power level
                        rules like any other user.
                    avatar_url:
                      type: string
                      description: The URL for the room's avatar, if one is set.
              start:
                type: string
                description: |-
                  A pagination token for the response.
              end:
                type: string
                description: |-
                  A pagination token for the response.
          examples:
            application/json: |-
              {
                "chunk": [
                  {
                    "aliases": ["#murrays:cheese.bar"],
                    "avatar_url": "mxc://bleeker.street/CHEDDARandBRIE",
                    "guest_can_join": false,
                    "name": "CHEESE",
                    "num_joined_members": 37,
                    "room_id": "!ol19s:bleecker.street",
                    "topic": "Tasty tasty cheese",
                    "world_readable": true
                  }
                ],
                "start": "p190q",
                "end": "p1902"
              }
        400:
          description: >
            The request body is malformed or the room alias specified is already taken.
      tags:
        - Room discovery