swagger: 2
info:
  title: Echo API
  description: Simple Rest Echo
  version: "1.0.0"
host: "localhost:8002"
schemes:
  - http
basePath: /v1
produces:
  - application/json
paths:
  /echo:
    get:
      description: "Returns the 'message' to the caller"
      operationId: "echo"
      parameters:
        #- name: X-header-param
        - name: headerParam
          in: header
          type: string
          required: false
        - name: message
          in: query
          type: string
          required: true
      responses:
        200:
          description: "Success"
          schema:
            $ref: EchoResponse
        default:
          description: "Error"
          schema:
            $ref: Error
definitions:
  EchoResponse:
    required:
      - message
    properties:
      message:
        type: string
  Error:
    properties:
      code:
        type: integer
        format: int32
      message:
        type: string
      fields:
        type: string