Why does my Touch ID/Face ID login expire?

For your security, over time we will require re-authentication of your Account. You will be required to log in using your User ID and Password. Once logged in, you can re-activate Touch ID/Face ID in the 'Account' tab of the American Express^® App.

Apple, the Apple logo, Touch ID, Face ID and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App store is a service mark of Apple Inc.