Timestamp Error

[xennn]

PS C:\Scripts\PSDuo> Get-DUOuser
Invoke-RestMethod : {"code": 40104, "message": "Missing request timestamp", "stat": "FAIL"}

[xennn]

To convert date via powershell in unixformat
[int](get-date (get-date).AddDays(-1) -UFormat %s -Millisecond 0)