Tap on the "Pay a bill" button at bottom of the home screen.

On the 'Existing' tab, select the vendor you would like to send a payment to and tap the "Continue" button.
​To enter the vendor's bank account details, tap "Add vendor's bank account" and tap "Save" when finished. Account holder's name, account type, routing number and account number are all required.

Enter the amount to be paid and tap the "Continue" button.

Select a due date.
​Due dates are defaulted to the day that the bill is created. Optional : Enter the vendor's invoice number and write notes by taping "Add invoice number and note".

Tap the "Pay now" button, and you're all done!
​Ensure that you have completed your account set up before making a payment.