Help Center/ IoT/ FAQs/ Secondary Development/ FAQs About Application Development/ Subscription and Push/ Invalid Callback Address Occurs When Calling the Subscription API
Updated on 2022-02-24 GMT+08:00

Invalid Callback Address Occurs When Calling the Subscription API

A callback address must contain the public IP address (or domain name), port number, and file path.
  • A correct example is as follows: http://IP:PORT/filePath or http://IP:PORT/.
  • An incorrect example is as follows: http://IP:PORT or http://IP/filePath.