Edit - magnussolution/magnusbilling-api GitHub Wiki
You can edit any data from any menu.
Update the Lastname and Firstname for username 24320
<?php
require_once "vendor/autoload.php";
use magnusbilling\api\magnusBilling;
$magnusBilling = new MagnusBilling('API KEY', 'SECRET KEY');
$magnusBilling->public_url = "http://1.1.1.1/mbilling"; // Your MagnusBilling URL
//get ID for username 24320
$id_user = $magnusBilling->getId('user', 'username', '24320');
$result = $magnusBilling->update('user',$id_user, [
'lastname' => 'My new Lastname',
'firstname' => 'My new Firstname',
]);
print_r($result);