function Invoke-ITGlueProvision {
    param (
        [Parameter(Mandatory = $true)]
        [string]$CompanyName,

        [Parameter(Mandatory = $true)]
        [hashtable]$Credentials
    )

    if (-not $Credentials.ITGUrl -or -not $Credentials.ITGKey) {
        Write-Host "[WARN] Missing ITGUrl or ITGKey in credentials. Skipping IT Glue provisioning."
        return
    }

    $headers = @{
        "x-api-key"    = $Credentials.ITGKey
        "Content-Type" = "application/vnd.api+json"
    }

    $body = @{
        data = @{
            type       = "organizations"
            attributes = @{
                name = $CompanyName
            }
        }
    } | ConvertTo-Json -Depth 10

    try {
        $response = Invoke-RestMethod -Uri "$($Credentials.ITGUrl)/organizations" -Method POST -Headers $headers -Body $body
        Write-Host "[INFO] Created IT Glue org: $($response.data.attributes.name)"
    }
    catch {
        if ($_.Exception.Response.StatusCode.Value__ -eq 422) {
            Write-Warning "[WARN] IT Glue org may already exist: $CompanyName"
        }
        else {
            Write-Error "[ERROR] IT Glue provisioning failed: $($_.Exception.Message)"
        }
    }
}