I use the Starling Bank integration, though it is a little limited at the moment. I believe that Starling has some kind of API access to view what’s in your savings goals etc. I’d love to have the ability to see this in HA - would be great for the wife and I to track our holiday savings fund for example.
There are a lot of scopes in the starling API, it would be great to make use of more than just the balance