protected void Page_Load(object sender, EventArgs e) { string json = ""; Dictionary <string, object> ResponseMap = new Dictionary <string, object>(); string raw_req = ""; using (StreamReader reader = new StreamReader(HttpContext.Current.Request.InputStream)) { raw_req = reader.ReadToEnd(); } ResponseMap.Add("RequestBody", raw_req); json = JSONUtil.MapToJsonString(ResponseMap); Response.Clear(); Response.ContentType = "application/json; charset=utf-8"; Response.Write(json); Response.End(); }