<?php
require_once __DIR__ . '/../config/config.php';
$wh = new WhatsAppService();
$to = '573022548060';
$message = 'Prueba de envío (desarrollo) ' . date('Y-m-d H:i:s');
try {
    $res = $wh->sendTextMessage($to, $message);
    echo "Response:\n";
    echo json_encode($res, JSON_PRETTY_PRINT) . "\n";
} catch (Exception $e) {
    echo "Error: " . $e->getMessage() . "\n";
}