Get image from report api

How about an api where you can (using a filter) get an image of a whole report and/or dashboard.  The imbed stuff has some overhead and the login is problematic.  We want to display a report (by customer) and make it fast and an image would work fine for now.  We can optionally add the link to the interactive version if we need, but having that image allows a lot of flexibility on the web page side.  In this case, we would probably run a nightly job to gen the photos we need and save them to azure blob storage. The in-house access control would then be all that is needed.