Current banks in the system (transfers are instant):
Bank of America Capital One 360 (P2P) Chase (QuickPay) First Bank Frost Bank TD Bank US Bank Wells Fargo (SurePay)
You have to sign up with each bank in order to receive or send money in that bank account. You need to use a different email address for each bank account used. You can also send and receive payments with a clearXchange account from any other bank that's not listed above.