if (-not ([System.Management.Automation.PSTypeName]'ServerCertificateValidationCallback').Type)
{
$certCallback = @"
    using System;
    using System.Net;
    using System.Net.Security;
    using System.Security.Cryptography.X509Certificates;
    public class ServerCertificateValidationCallback
    {
        public static void Ignore()
        {
            if(ServicePointManager.ServerCertificateValidationCallback ==null)
            {
                ServicePointManager.ServerCertificateValidationCallback += 
                    delegate
                    (
                        Object obj, 
                        X509Certificate certificate, 
                        X509Chain chain, 
                        SslPolicyErrors errors
                    )
                    {
                        return true;
                    };
            }
        }
    }
"@
    Add-Type $certCallback
 }
[ServerCertificateValidationCallback]::Ignore()

##ADD YOUR URL
$application = "https://hq-vbo1:4443/v4";
##ADD YOUR CRED (pref crypted one)
#AUTH
$username = "XXXXX"
$password = "XXXXX"

    $creds = @{
        username = $username
        password = $password
        grant_type = "password"
    };

$headers = $null
    try
        {
            $response = Invoke-RestMethod "$application/token" -Method Post -Body $creds -Headers $headers -TimeoutSec 9999
            $token = $response.access_token
        } 
        catch
        {
            $result = $_.Exception.Response.GetResponseStream()
            $reader = New-Object System.IO.StreamReader($result)
            $reader.BaseStream.Position = 0
            $reader.DiscardBufferedData()
            $responseBody = $reader.ReadToEnd() | ConvertFrom-Json
            Write-Host "ERROR: $($responseBody.error)"
            return;
        }

#Licence usage
    try
        {
            $headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
            $headers.Add("Authorization", "Bearer $token")
            $response = Invoke-RestMethod "$application/LicensedUsers?limit=40000" -Method Get -Headers $headers -TimeoutSec 9999
            $licenseUsage = $response.results
        }
        catch
        {
            $result = $_.Exception.Response.GetResponseStream();
            $reader = New-Object System.IO.StreamReader($result);
            $reader.BaseStream.Position = 0;
            $reader.DiscardBufferedData();
            $responseBody = $reader.ReadToEnd() | ConvertFrom-Json
            Write-Host "ERROR: $($responseBody.error)"
            return;
        }

Write-Host "Total licensed users : "$licenseUsage.Count

$listOfOrg = $licenseUsage.organizationName | Group-Object

foreach ($row in $listOfOrg)
    {
    Write-Host $row.Name " use " $row.Count " licenses"
    }