<?php
// WebAdd account details
$username = urlencode('youremail@address.com');
$hash = urlencode('Your API hash');
	
// Message details
$numbers = urlencode(917735838811,917735838811);
$sender = urlencode('WEBADD');
$message = rawurlencode('This is your message');

// Prepare data for POST request
$data = 'username=' . $username . '&hash='  . $hash . '&numbers=' . $numbers . "&sender=" . $sender . "&message=" . $message;

// Send the GET request with cURL
$ch = curl_init('http://sms.webadd.in/api2/send/?' . $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);

// Process your response here
echo $response;
?>