Retail Online Banking - American Bank
Welcome to Prosperity Bank. Below you will find helpful information about your accounts.
Online Banking and Bill Pay Services
On Monday, September 14, 2026, American Bank Online Banking accounts will migrate to Prosperity Bank’s Online Banking system. We understand that this transition will bring about changes, and as always, we are here to help. To read more about this transition please click on the link below. For further assistance, please contact your local banking center with any questions.
Conversion Guides
Quicken Conversion
A guide to help with Quicken conversion.
QuickBooks Online Conversion
A guide to help with QuickBooks Online.
QuickBooks Desktop Conversion
A guide to help with QuickBooks Desktop.

