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.
Parent topic: Subscription and Push
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