Problem with webhook making. [HTTP 400 (Bad Request)]

I want to make a feedback webhook but for some reason the webhook is not reading or something like that. I keep getting an error saying HTTP 400 (Bad Request). I don’t know any solutions at all so if anyone can help me please reply. Thanks!

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Make sure you aren’t requesting too fast. It will deny your requests if you do so.

It is still happening with a wait command.