using System;

using System.Text;

using System.Web;

using System.Net;

using System.IO;

​

public class Program

{

  public static void Main()

  {

      string apiToken = "xxxxxxxx"; //Your api_token At Lifetimesms.com

      string apiSecret = "xxx"; //Your api_secret  At Lifetimesms.com  

      string toNumber = "923xxxxxxxxx,923xxxxxxxxx,923xxxxxxxxx";

      string Masking = "xxx";

      string voice_id = "xx";

      string date = "25-02-2025";

      string time = "21:30:55";

​

  string jsonResponse=  Voice_Submit(apiToken, apiSecret, toNumber, Masking,  voice_id, date, time);

    Console.WriteLine(jsonResponse);

  }

  public static string Voice_Submit(string apiToken, string apiSecret, string toNumber, string Masking,  string voice_id , string date, string time)

    {

       String api = "http://lifetimesms.com/voice-sms" ;

        String parameters = "api_token=" + apiToken + "&api_secret=" + apiSecret + "&to=" + toNumber + "&from=" + Masking + "&voice_id=" + voice_id + "&date=" + date + "&time=" + voice_id;

        var httpWebRequest = (HttpWebRequest)WebRequest.Create(api);    

    httpWebRequest.Accept = "application/json";

        httpWebRequest.ContentType = " application/x-www-form-urlencoded";   

        httpWebRequest.Method = "POST";

    using (var streamWriter = new System.IO.StreamWriter(httpWebRequest.GetRequestStream()))

                {

​

                    parameters = "api_token=" + apiToken + "&api_secret=" + apiSecret + "&to=" + toNumber + "&from=" + Masking + "&voice_id=" + voice_id + "&date=" + date + "&time=" + time;

​

                    streamWriter.Write(parameters);

                    streamWriter.Flush();

                    streamWriter.Close();

                }

​

                var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();

     using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))

                {

                    var result = streamReader.ReadToEnd();

                   return result.ToString();

         }

​

      return null;

    }

}