Fasterize offers two mechanisms for purging site files: via the dashboard or via the API.

Here are the different possibilities to clear the cache of Fasterize:

On the dashboard

In the Fasterize configuration screen, click on the "Quick Action" button in the top right-hand corner, then on "Flush cache" to find the different purge possibilities.

You can also find the "Flush cache" button directly on the project page by clicking on the three dots.

On the API : 

API documentation can be viewed here :