If you want to get Soundcloud API Key then follow setup blow

1- Open soundcloud.com then press F12 to open the developer console

2- Open network tab

3- Click XHR requests (If no results found play any song or refresh the page)

4 -Choose the first XHR request

5- Copy value between “client_id=” and “&” e.g (uN6D9tWD2uBjPHpRPgZExfzjyz0Sv4Bf)