Recognized by BusinessWeek as one of the world's most valuable brands, American Express has more than 100 million cardmembers worldwide. American Express deals extend to holders of personal, corporate, and small business cards and include purchase protection, cash back rewards, and bonus miles. There's no such thing as American Express coupons, but cardholders have access to member-only offers and can redeem reward points for retail purchases and special travel offers.
Ends 4/30. American Express is offering a $20 statement credit on Staples purchases of $100 or more (online or in-stores) when you sync your eligible AmEx card with Twitter and send a short Twitter message with #AmexStaples. Must use the synced AmEx card for Staples purchase by 4/30.
For some American Express cardholders, you can just log in to your American Express online account and click on "Offers For You," then click "Save Offer" to activate it.