$arParams = [
'KEY' => $text
];
$ch = curl_init(API_SIGN);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($arParams));
$response = curl_exec($ch);
curl_close($ch);
return $response;