We're based on the example in https://developer.amazon.com/zh/docs/frustration-free-setup/wi-fi-provisionee-app-and-backend-integration-guide.html#skill-device-association-event-sdae-api, try to request the following API
But it returned an 400 error.
Our skill id: amzn1.ask.skill.6296c57b-a882-4f36-88f5-e54e314c8609
I have sent an email to email@example.com, but have not received a reply so far.
Please help us look at this problem.
Thank you very much.