Issue while getting data using API

Issue while getting data using API

Hi

Suddenly I started Getting the Error "The remote server returned an error 403 forbidden" in My C# Code while getting data from Site24 API . It was working few days back but now stopped working. Below is my Code. Token is also active in account. What i am missing. ?

innerurl = "https://www.site24x7.com/api/reports/sla_reports/availability?period=3";
var httpWebRequest = (HttpWebRequest)WebRequest.Create(innerurl);
httpWebRequest.ContentType = "application/json";
httpWebRequest.Accept = "*/*";
httpWebRequest.Method = "GET";
httpWebRequest.Headers["Authorization"] = "My Token Here";
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse(); [Here it gives 401 Forbidden]