Confluence Cloud API - number of posts by user

$headers = @{
    'Accept'        = 'application/json'
    'Content-Type'  = 'application/json'
    'Authorization' = ("Basic {0}" -f ([Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f 'alexandrm@rabota.ua', '********')))))
}

$users = @()
$res = @{
    _links = @{
        next = '/rest/api/content?expand=version.by&limit=200'
    }
}
while ($res._links.next) {
    Write-Host $res._links.next
    $res = Invoke-RestMethod -Uri ('https://rabota.atlassian.net/wiki' + $res._links.next) -Headers $headers
    foreach ($x in $res.results) {
        $users += New-Object PSObject -Property @{
            user = $x.version.by.publicName
        }
    }
}

$users | Group-Object user | Sort-Object count -Descending | select count, name

Count Name
---
633 Alexandr Marchenko
107 Alla Ustymenko
82 Yar
82 Bogdana Matvieieva