<?php
$api_url = 'https://your-domain.com/api/v2';
$api_key = 'YOUR_API_KEY';

$post = [
    'key' => $api_key,
    'action' => 'services',
];

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $api_url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);

echo $response;