The official SDK for UniSMS https://unismsapi.com/ for sending and retrieving SMS messages.
This is Vanilla PHP.
require_once './UniSms.php';
$secret_key = "sk_XXXXXXXXXXXXXXXXXXXXXXXXX";
$client = new UniSms($secret_key);
$client->recipient = "+63912345678";
$client->content = "Hello world";
$client->send();require_once './UniSms.php';
$secret_key = "sk_XXXXXXXXXXXXXXXXXXXXXXXXX";
$client = new UniSms($secret_key);
$client->get("msg_b788f2bf-5816-47c1-8eb0-f018a699d7bc");