Не подскажете, в чем может быть затык?
$baseurl = "https://"+$hostname+":9398/api/jobs"
$credPair = "$($USERNAME):$($PASSWORD)"
$encodedCredentials = [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($credPair))
$Uri = $baseurl
$Headers = @{ 'Authorization' = "Basic $encodedCredentials" }
$Method = 'POST'
$Result=Invoke-RestMethod -Uri $baseurl -Method $Method -Headers $headers