$kite->getProfile() issue on server

$kite->getProfile() works fine on localhost, there is no issue. but on live server this function not work.
try {
$kite = new KiteConnect($api_key);
$kite->setAccessToken($token);
$kite->getProfile();
}
catch (Exception $e) {
echo "Authentication failed: " . $e->getMessage();
header("location: token.php");
throw $e;
}