import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;


public class SendSms{

      public static void main(String[] args)
      {
           //Your authentication key
           String authkey = "YourAuthKey";
           //Multiple mobiles numbers separated by comma
           String mobiles = "9999999";
           //Sender ID should be 6 characters long.
           String senderId = "102234";
           //Your approved Entity Id, Add URL encoding here.
           String pe_id = "123456564315412";
           //Your approved Template id, Add URL encoding here.
           String template_id = "123456564315412";
           //define route
           String route="1 or 4";

           //Prepare Url
           URLConnection myURLConnection=null;
           URL myURL=null;
           BufferedReader reader=null;

           //encoding message
           String encoded_message=URLEncoder.encode(message);

           //Send SMS API
           String mainUrl="https://apitxt.com/api/sendMsg?";

           //Prepare parameter string
           StringBuilder sbPostData= new StringBuilder(mainUrl);
           sbPostData.append("authkey="+authkey);
           sbPostData.append("&mobiles="+mobiles);
           sbPostData.append("&pe_id="+pe_id);
           sbPostData.append("&template_id="+template_id);
           sbPostData.append("&route="+route);
           sbPostData.append("&sender="+senderId);

           //final string
           mainUrl = sbPostData.toString();
           try
           {
               //prepare connection
               myURL = new URL(mainUrl);
               myURLConnection = myURL.openConnection();
               myURLConnection.connect();
               reader= new BufferedReader(new InputStreamReader(myURLConnection.getInputStream()));
               //reading response
               String response;
               while ((response = reader.readLine()) != null)
               //print response
               System.out.println(response);

               //finally close connection
               reader.close();
           }
           catch (IOException e)
           {
               e.printStackTrace();
           }
      }
}