//Your authentication key

​

    String authkey = "YourAuthKey";

​

    //Mobile number to which OTP needs to be sent

    String mobiles = "+91XXXXXXXXXX";

​

    //Your otp value to be sent.

    String otpValue = "12345";

​

    URLConnection myURLConnection=null;

    URL myURL=null;

    BufferedReader reader=null;

​

    //encoding message

    //Send SMS API

    String mainUrl="https://2factor.in/API/V1/"+authkey+"/SMS/"+mobiles+"/"+otpValue;

​

    //Prepare parameter string

    StringBuilder sbPostData= new StringBuilder(mainUrl);

    sbPostData.append("1=1");

    //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

        Log.d("RESPONSE", ""+response);

​

        //finally close connection

        reader.close();

    }

    catch (IOException e)

    {

    e.printStackTrace();

​

    }

​