public static void Main(string[] args)
CookieContainer cookieContainer = new CookieContainer();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://sprinter.decidesoluciones.es/authentication?j_username=USER&j_password=PASS");
request.CookieContainer = cookieContainer;
request.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Console.WriteLine(">>> Status " + response.StatusCode);
request = (HttpWebRequest)WebRequest.Create("https://sprinter.decidesoluciones.es/rest/Categories");
request.ContentType = "application/json";
request.CookieContainer = cookieContainer;
HttpWebResponse responseGet = (HttpWebResponse)request.GetResponse();
var streamReader = new StreamReader(responseGet.GetResponseStream());
Console.WriteLine (">>> response: " + streamReader.ReadToEnd());