Is it possible to build only the front end of the app on the Studio … using the Builder and control Designer and code the rest of it ourself? We have some existing tools in and want to revamp the User interface.
Yes, You can build the UI in studio, and register your backend Api Connectors to BIND data to controls from your backend and submit data to your backend. we support both - Rest Api connectors and DB Connectors.
You can refer to below articles to get started with Connectors -
Hope this Helps!