openapi: 3.0.0
info:
  title: Callback Example
  version: 1.0.0
paths:
  /subscribe:
    post:
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                inProgressUrl:
                  type: string
                failedUrl:
                  type: string
                successUrl:
                  type: string
      responses:
        "200":
          description: OK
      callbacks:
        inProgress:
          "{$request.body#/callback}":
            post:
              requestBody:
                $ref: "#/components/requestBodies/callbackMessage1"
              responses:
                "200":
                  description: OK
        Failed:
          "{$request.body#/callback}":
            post:
              requestBody:
                $ref: "#/components/requestBodies/callbackMessage2"
              responses:
                "200":
                  description: OK
        Success:
          "{$request.body#/callback}":
            post:
              requestBody:
                $ref: "#/components/requestBodies/callbackMessage3"
              responses:
                "200":
                  description: OK
components:
  requestBodies:
    callbackMessage1:
      description: Callback message one
      content:
        application/json;charset=utf-8:
          schema:
            type: object
            properties:
              inProgressUrl:
                type: string
              failedUrl:
                type: string
              successUrl:
                type: string
      required: true

    callbackMessage2:
      description: Callback message two
      content:
        application/json;charset=utf-8:
          schema:
            type: object
            properties:
              inProgressUrl:
                type: string
              failedUrl:
                type: string
              successUrl:
                type: string
      required: true

    callbackMessage3:
      description: Callback message three
      content:
        application/json;charset=utf-8:
          schema:
            type: object
            properties:
              inProgressUrl:
                type: string
              failedUrl:
                type: string
              successUrl:
                type: string
      required: true