What this operation supports in Webflow
Deletes a single uploaded Asset by its ID, removing the file from the Site's asset library.
Request behavior and expectations
If that asset is still referenced by an image field on a live page or Collection Item, deleting it removes the underlying file but doesn't automatically clean up or replace those references for you.
Operational considerations
Checking where an asset is actually used before deleting it avoids leaving a broken image reference behind on a page that was relying on it, which is easy to miss since the delete call itself succeeds regardless of whether the asset is still in use anywhere on the site.
Use cases
Automate cleanup of outdated images or outdated creative assets in response to campaigns ending.