Was about to say this. Pretty much most of services that tie in with a bank account that I've ever used provide this option as an alternative to waiting 3 days for bank account verification. It is truly bizarre how this has become the standard.
Not sure if this is what they use now, but Mint used a similar (but older) service to Plaid called Yodlee [0] as their backend for accessing bank accounts.
I entered one account on Mint and found myself with OP, and decided I didn't want to enter a bunch of different login credentials into a different app.
