kimsufi-checker.php

<?php
# -- config --
$INTERVAL = 5; // sec
$CODE = '1801sk20';
$COUNTRY = 'it';
$BUY_URL = "https://www.kimsufi.com/it/ordine/kimsufi.xml?reference=$CODE";
# ------------

function notify() {
	global $CODE, $BUY_URL;
	$url = 'https://api.telegram.org/botTOKEN_HERE/sendMessage';
	$options = [
		'http' => [
			'method' => 'POST',
			'header' => "Content-Type:application/x-www-form-urlencoded\r\n",
			'content' => http_build_query(['chat_id' => CHAT_ID_HERE, 'text' => "Available $CODE\n$BUY_URL"]),
			],
		];
	$context = stream_context_create($options);
	file_get_contents($url, false, $context);
}

function check($code, $country) {
	
	$json = json_decode(file_get_contents("https://www.ovh.com/engine/api/dedicated/server/availabilities?country=$country"));

	foreach ($json as $server) {
		if ($server->hardware === $code) {
			
			$available = false;
			foreach ($server->datacenters as $location) {
				if ($location->availability !== 'unavailable') {
					$available = true;
					break;
				}
			}
			
			if ($available) {
				notify();
			}
		}
	}
}

for ($i = 0; $i < (60/$INTERVAL); $i++) {
	check($CODE, $COUNTRY);
	sleep($INTERVAL);
}