Use the VNC Info API to get vnc information of the VPS present on your server. Using this information you can remotely connect to your VPS. A third party VNC client software would be needed for accessing the VPS console which will utilize this information.
See also: VNC
HTTP Request
https://hostname:4085/index.php?act=vnc
Parameters
| Name | Method | Value | Description | Required | 
|---|---|---|---|---|
| act | GET | vnc | The action specified to carry out operation and return data | Yes | 
| novnc | POST | Int | The ID of the Vps | Yes | 
Sample Code
<?php
    require_once('/usr/local/virtualizor/sdk/admin.php');
    $key =  'your_api_key';
    $pass = 'your_api_pass';
    $ip = 'your_server_ip';
    $admin = new Virtualizor_Admin_API($ip, $key, $pass);
    $post = array();
    $post['novnc'] = 62;
    $output = $admin->vnc($post);
    print_r(json_encode($output));
?>
Output
{
    "title": "VNC",
    "info": {
        "port":"5951",
        "ip":"xx.xx.xx.xx",
        "password":"xxxxxxxxxx",
    },
    "timenow": 1535458345,
    "time_taken": "0.134"
}