The official American Express app for Windows Phone is currently not visible in the Windows Store when a search is conducted. The credit card company says it is aware of the problem.

American Express

Several Windows Central readers have tipped us to this problem. When contacted via Twitter, an AMEX rep told us they are aware of this issue but did not offer any word on when it might be fixed

The app itself is still available via direct download at the link below.

Thanks again to all of the tips!

Download American Express from the Windows Store