docs-matrix-spec/api/client-server/application_service.yaml

swagger: '2.0'
info:
  title: "Matrix Application Service API"
  version: "1.0.0"
host: localhost:8008
schemes:
  - https
  - http
basePath: "/"
consumes:
  - application/json
produces:
  - application/json
paths:
  "/transactions/{txnId}":
    put:
      summary: Send some events to the application service.
      description: |-
        This API is called by the HS when the HS wants to push an event (or
        batch of events) to the AS.
      parameters:
        - in: path
          name: txnId
          type: string
          description: |-
            The transaction ID for this set of events. Homeservers generate
            these IDs and they are used to ensure idempotency of requests.
          required: true
          x-example: "35"
        - in: body
          name: body
          description: A list of events
          schema:
            type: object
            example: |-
              {
                "events": [
                  {
                    "age": 32,
                    "content": {
                        "body": "incoming message",
                        "msgtype": "m.text"
                    },
                    "event_id": "$14328055551tzaee:localhost",
                    "origin_server_ts": 1432804485886,
                    "room_id": "!TmaZBKYIFrIPVGoUYp:localhost",
                    "type": "m.room.message",
                    "user_id": "@bob:localhost"
                  },
                  {
                    "age": 1984,
                    "content": {
                        "body": "another incoming message",
                        "msgtype": "m.text"
                    },
                    "event_id": "$1228055551ffsef:localhost",
                    "origin_server_ts": 1432804485886,
                    "room_id": "!TmaZBKYIFrIPVGoUYp:localhost",
                    "type": "m.room.message",
                    "user_id": "@bob:localhost"
                  }
                ]
              }
            description: "Transaction informations"
            properties:
              events:
                type: array
                description: A list of events
                items:
                  type: object
                  title: Event
            required: ["events"]
      responses:
        200:
          description: The transaction was processed successfully.
          examples:
            application/json: |-
              {}
          schema:
            type: object

  "/rooms/{roomAlias}":
    get:
      summary: Query if a room alias should exist on the application service.
      description: |-
        This endpoint is invoked by the homeserver on an application service to query
        the existence of a given room alias. The homeserver will only query room
        aliases inside the application service's ``aliases`` namespace. The
        homeserver will send this request when it receives a request to join a
        room alias within the application service's namespace.
      parameters:
        - in: path
          name: roomAlias
          type: string
          description: The room alias being queried.
          required: true
          x-example: "#magicforest:example.com"
      responses:
        200:
          description: |-
            The application service indicates that this room alias exists. The
            application service MUST have created a room and associated it with
            the queried room alias using the client-server API. Additional
            information about the room such as its name and topic can be set
            before responding.
          examples:
            application/json: |-
              {}
          schema:
            type: object
        401:
          description: |-
            The homeserver has not supplied credentials to the application service.
            Optional error information can be included in the body of this response.
          examples:
            application/json: |-
              {
                "errcode": "COM.EXAMPLE.MYAPPSERVICE_UNAUTHORIZED"
              }
          schema:
            type: object
        403:
          description: |-
            The credentials supplied by the homeserver were rejected.
          examples:
            application/json: |-
              {
                "errcode": "M_FORBIDDEN"
              }
          schema:
            type: object
        404:
          description: |-
            The application service indicates that this room alias does not exist.
            Optional error information can be included in the body of this response.
          examples:
            application/json: |-
              {
                "errcode": "COM.EXAMPLE.MYAPPSERVICE_NOT_FOUND"
              }
          schema:
            type: object
  "/users/{userId}":
    get:
      summary: Query if a user should exist on the application service.
      description: |-
        This endpoint is invoked by the homeserver on an application service to query
        the existence of a given user ID. The homeserver will only query user IDs
        inside the application service's ``users`` namespace. The homeserver will
        send this request when it receives an event for an unknown user ID in
        the application service's namespace.
      parameters:
        - in: path
          name: userId
          type: string
          description: The user ID being queried.
          required: true
          x-example: "@alice:example.com"
      responses:
        200:
          description: |-
            The application service indicates that this user exists. The application
            service MUST create the user using the client-server API.
          examples:
            application/json: |-
              {}
          schema:
            type: object
        401:
          description: |-
            The homeserver has not supplied credentials to the application service.
            Optional error information can be included in the body of this response.
          examples:
            application/json: |-
              {
                "errcode": "COM.EXAMPLE.MYAPPSERVICE_UNAUTHORIZED"
              }
          schema:
            type: object
        403:
          description: |-
            The credentials supplied by the homeserver were rejected.
          examples:
            application/json: |-
              {
                "errcode": "M_FORBIDDEN"
              }
          schema:
            type: object
        404:
          description: |-
            The application service indicates that this user does not exist.
            Optional error information can be included in the body of this response.
          examples:
            application/json: |-
              {
                "errcode": "COM.EXAMPLE.MYAPPSERVICE_NOT_FOUND"
              }
          schema:
            type: object