Информация о заказе

    $postData['key'] = 'API KEY';
    $postData['data'] = [
        'id' => '4',
        'number' => '234',
    ];
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,"https://your_site/api/order/info");
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($postData));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $res = curl_exec($ch);
    curl_close($ch);