HTTP/1.1
User-Agent: Lavf/58.20.100
Accept: */*
Range: bytes=0-
Connection: close
Host: xxxxxx.xxx
Icy-MetaData: 1
X-API-KEY: MyApiKey
X-API-SECRET:asfd
[http @ 0x1ff5db0] header='HTTP/1.0 403 Forbidden'
[http @ 0x1ff5db0] http_code=403
[http @ 0x1ff5db0] HTTP error 403 Forbidden
Something like this.