https://www.programiz.com/online-compiler/3tHcWltzZMIIt
Here is the code I wrote. I'm having trouble with the POST request. Could you please tell me what the issue might be?
403
<?xml version="1.0" encoding="utf-8"?><Error><Code>AuthenticationFailed</Code><Message>Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.