Are they required to adhere to a standardized API?
If not, then I think there's still some utility in a service that can normalize that stuff and provide you with a single, consistent interface.
If not, then I think there's still some utility in a service that can normalize that stuff and provide you with a single, consistent interface.
There are however some inititives for open API standards that might be accepted by a majority of the banks.
That's obviously and opportunity for Teller, Figo.io and other players, they can perform legit aggregation just swapping out their scraping for bona fide API access.
But the situation is more complex... even banks can become aggregators for other banks if their customers want... These are interesting times.
100% coverage might be quite time consuming, but getting most the market is not going to be excessively hard.