Updating Created / Created By / Modified / Modified By in SharePoint via Power Automate

Why these fields are special

SharePoint treats these four columns as system-managed metadata:

Created — timestamp when the item was first saved

Created By — user who created the item

Modified — timestamp of the last update

Modified By — user who last updated the item

By default, Power Automate cannot directly modify them because SharePoint locks them to preserve audit integrity.

This is the best way by Using the SharePoint REST API with “bypass” header

You can override system fields if you call the REST API with: