openapi: 3.2.0
info:
  title: API
  version: 1.0.0
components:
  callbacks:
    myCallback:
      '{$request.query.queryUrl}':
        post:
          requestBody:
            description: Callback payload
            content:
              application/json:
                schema:
                  $ref: '#/components/schemas/SomePayload'
          responses:
            '200':
              description: callback successfully processed
    transactionCallback:
      'http://notificationServer.com?transactionId={$request.body#/id}&email={$request.body#/email}':
        post:
          requestBody:
            description: Callback payload
            content:
              application/json:
                schema:
                  $ref: '#/components/schemas/SomePayload'
          responses:
            '200':
              description: callback successfully processed
  schemas:
    SomePayload: {}