# Copyright 2018 Kamax Sàrl
# Copyright 2018 New Vector Ltd
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
openapi: 3.1.0
info:
  title: Matrix Identity Service Ping API
  version: 2.0.0
paths:
  /v2:
    get:
      summary: Checks that an identity server is available at this API endpoint.
      description: |-
        Checks that an identity server is available at this API endpoint.

        To discover that an identity server is available at a specific URL,
        this endpoint can be queried and will return an empty object.

        This is primarily used for auto-discovery and health check purposes
        by entities acting as a client for the identity server.
      operationId: pingV2
      responses:
        "200":
          description: An identity server is ready to serve requests.
          content:
            application/json:
              schema:
                type: object
              examples:
                response:
                  value: {}
servers:
  - url: "{protocol}://{hostname}{basePath}"
    variables:
      protocol:
        enum:
          - http
          - https
        default: https
      hostname:
        default: localhost:8090
      basePath:
        default: /_matrix/identity
