private void HandleRequest(string url, string method = "GET", string data = null)
        {
            HttpWebRequest req = WebRequest.Create(new Uri(url)) as HttpWebRequest;
            req.Method = method.ToUpper();
            req.Accept = "application/xml";
            req.ContentType = "application/xml";
            req.AllowAutoRedirect = true;
            string authInfo = Convert.ToBase64String(Encoding.GetEncoding(1252).GetBytes("yourapi:keyhere"));
            req.Headers.Add(HttpRequestHeader.Authorization, string.Format("Basic {0}", authInfo));

            if (! string.IsNullOrEmpty(data))
            {
                byte[] rawBytes = Encoding.GetEncoding(1252).GetBytes(data);
                req.ContentLength = rawBytes.Length;
                using (Stream reqStream = req.GetRequestStream())
                {
                    reqStream.Write(rawBytes, 0, rawBytes.Length);
                }
            }

            using (HttpWebResponse resp = req.GetResponse() as HttpWebResponse)
            {
                using (StreamReader reader = new StreamReader(resp.GetResponseStream()))
                {
                    Console.WriteLine(reader.ReadToEnd());
                }
            }
        }