> Mint now signs in to select banks using OAuth (open standard for authentication). ... Citibank, JP Morgan Chase, Bank of America, Wells Fargo, and Capital One
It allows apps to interconnect and pull data - I can use a single banking app to check balances across all my accounts.
I was very disappointed when I found this out too. Fail.
There will probably be resellers offering api access to our own data (I think that's the deal with tokens.io) so... classic lobbiest produced walled garden to limit free enterprise and competition.
The only development in this space that I'm aware of is from a South African company called root. You can run custom code before/after transactions through their credit card. https://root.co.za/card
Unfortunately, it's rare.