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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Web;
using System.IO;
using System.Net;
using System.Text;
 
namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine("Hello, world!");
            // If https is not working for you so please change it to http
            String url="https://secure.h3techs.com/sms/api/send.php";
            String result = ""; 
            String to = "92333xxxxxxx";
            String masking = HttpUtility.UrlEncode("99095");
            String message = HttpUtility.UrlEncode("Hello this is a test message"); 
            String strPost = "email=hello@brandedsmspakistan.com&key=11b0497be3267d50b36ed86d63e098fffe&mask="+ masking +"&to=" + to +"&message=" + message; 
            StreamWriter myWriter = null; 
            HttpWebRequest objRequest = (HttpWebRequest)WebRequest.Create(url); 
            objRequest.Method = "POST"; 
            objRequest.ContentLength = Encoding.UTF8.GetByteCount(strPost); 
            objRequest.ContentType = "application/x-www-form-urlencoded"; 
            try 
            { 
            myWriter = new StreamWriter(objRequest.GetRequestStream()); 
            myWriter.Write(strPost); 
            } 
            catch (Exception e) 
            { 
                Console.WriteLine(e.Message); 
            } 
            finally 
            { 
                myWriter.Close(); 
            } 
            HttpWebResponse objResponse = (HttpWebResponse)objRequest.GetResponse(); 
            using (StreamReader sr = new StreamReader(objResponse.GetResponseStream())) 
            { 
                result = sr.ReadToEnd(); 
                // Close and clean up the StreamReader 
                sr.Close(); 
            } 
            Console.WriteLine(result);
        }
    }
}