Code Sample:
//Enter your login username
$username="xxxxxxx";

//Enter your login password
$password="";

//Enter your text message
$message="hello";

//Enter your Sender ID
$sender="";

//Enter your receiver mobile number
$mobile_number="XXXXXXXXXXX";

//Don't change below code use as it is
$url="Your Website Url?user=".urlencode($username)."&password=".urlencode($password)."&
mobile=".urlencode($mobile_number)."&message=".urlencode($message)."&sender=".urlencode($sender)."&type=".urlencode('3');

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$curl_scraped_page = curl_exec($ch);

curl_close($ch);

Code Sample:

Private Function SendSMS_txtLocal(ByVal Test As Boolean, _
ByVal From As String, _
ByVal Message As String, _
ByVal SendTo As String, _
ByVal URL As String) As String
' Send a message using the txtLocal transport
Const TransportURL As String =" Your Website Url"
Const TransportUserNameAs String =9030888111
Const TransportPasswordAs String ="mypassword"
Const TransportVerboseAs Boolean =True
Dim strPost As String
' Build POST String

strPost = "user=" + TransportUserName + "&password=" + TransportPassword + "&message=" +
System.Web.HttpUtility.UrlEncode(Message) +
"&sender=" + OPTINS + "&mobile=" + SendTo + "&type=1"

If URL = "" Then
strPost += "&url=" + URL
End If

If Test = True Then
strPost += "&test=1"
End If

If TransportVerbose =True Then
strPost += "&info=1"
End If

' Create POST
Dim request As WebRequest = WebRequest.Create(TransportURL)
request.Method = "POST"
Dim byteArray As Byte() = Encoding.UTF8.GetBytes(strPost)
request.ContentType = "application/x-www-form-urlencoded"
request.ContentLength = byteArray.Length
Dim dataStream As Stream = request.GetRequestStream()

dataStream.Write(byteArray, 0, byteArray.Length)
dataStream.Close()

' Get the response.
Dim response As WebResponse = request.GetResponse()
dataStream = response.GetResponseStream()
Dim reader As New StreamReader(dataStream)
Dim responseFromServerAs String = reader.ReadToEnd()

' Clean upthe streams.
reader.Close()
dataStream.Close()
response.Close()

' Return result to calling function
If responseFromServer.Length > 0 Then
Return responseFromServer
Else
Return CType(response, HttpWebResponse).StatusDescription
End If
End Function

Code Sample:
string user = "XXXXXX";
string Password = "XXXXXX";
string Msg = "test";
string OPTINS = "XXXXXX";
string MobileNumber="XXXXXXXX";
string type="3";
string strUrl =
"Your Website Url?user=" + user +"&password=" +Password+ "&message=" + Msg + "&sender=" + OPTINS + "&mobile=" +
MobileNumber + "&type=" + 3;

System.Net.WebRequest request = System.Net.WebRequest.Create(strUrl);

HttpWebResponse response = (HttpWebResponse)request.GetResponse();

Stream s = (Stream)response.GetResponseStream();

StreamReader readStream = new StreamReader( s );

string dataString = readStream.ReadToEnd();

response.Close();

s.Close();

readStream.Close();

Response.Write("Sent");

Code Sample:

Sample Java API For Sending SMS:

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;

public class SMSSender
{
public String sendSms(String sToPhoneNo,String sMessage)
{
try
{
// Construct data
String data = "user=" + URLEncoder.encode("textlocalusername****", "UTF-8");
data += "&password=" + URLEncoder.encode("textlocalpassword****", "UTF-8");
data += "&message=" + URLEncoder.encode(sMessage, "UTF-8");
data += "&sender=" + URLEncoder.encode("OPTINS", "UTF-8");
data += "&mobile=" + URLEncoder.encode(sToPhoneNo, "UTF-8");
data += "&type=" + URLEncoder.encode(1, "UTF-8");
// Send data
URL url = new URL("Your Website Url");
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
wr.write(data);
wr.flush();
// Get the response
BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
String sResult=""
; while ((line = rd.readLine()) != null)
{
// Process line...
sResult=sResult+line+" ";
}
wr.close();
rd.close();
return sResult;
}
catch (Exception e)
{
System.out.println("Error SMS "+e);
return "Error "+e;
}
}
}

Code Sample:

void Page_Load(Object Src, EventArgs E)
{
myPage.Text = readHtmlPage("Your Website Url");
}
private String readHtmlPage(string url)
{
String result = "";
String message = HttpUtility.UrlEncode("Hello world!");
String strPost = "?user=9030888111&password=password&msg=" + message + "&sender=OPTINS" + "&mobile=mobnum" + "&type=1";
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)
{
return 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();
}
return result;
}