Americanexpress,serve Articles on Engadget

May 11, 2012 at 12:06AM

Isis bolsters its mobile wallet with American Express cards

August 1, 2011 at 2:04PM

Verizon Wireless to tie American Express' Serve into mobile numbers, keep your credit card holstered

March 28, 2011 at 2:55PM

American Express challenges PayPal with 'Serve' digital payment platform