If you need to update your payment information for your monthly Flat Bill, you can do this from the settings menu of your Simple Flat Bill account.
Navigate to https://home.thesimple.com/flatbill/login and login to your account. In the upper left hand corner you will see a menu button; click on it and select settings:
From the settings menu you can hit Update Payment Info.
You’ll be shown a popup window that will allow you to input your new payment information.
If you need any assistance please email us email@example.com or call us at 877-896-1443. We would love to help!