google spell check api

spellcheck.php

<?php
header("Content-Type: text/xml; charset=utf-8");

$url="https://www.google.com/tbproxy/spell?lang=en";

 $text = urldecode("mystary");



$body = '<!--?xml version="1.0" encoding="utf-8" ?-->';

 $body .= '';

 $body .= ''.$text.'';

$body .= '';



$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, $url);

curl_setopt($ch, CURLOPT_POST, 1);

 curl_setopt($ch, CURLOPT_POSTFIELDS, $body);

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$contents = curl_exec($ch);

curl_close($ch);



print $contents;
?>

Is Google spell check API free ?

not working anymore.