American Express is teaming up with Twitter to offer unique deals to your synced card. This is similar to the current promotion where you can sync your American Express card with your Foursquare account to get deals on check-ins.

Step 1: Go to https://sync.americanexpress.com/twitter

Step 2: Sign in with twitter and enter in your American Express card.

Step 3: You’re all synced up. Go to twitter to send out a tweet to activate the deals.

Step 4: Send out the follow tweets:
Tweet 1: #AmexHM #AmexGulfOil #AmexC21stores #AmexWholefoods #AmexDell #AmexSeamless10
Tweet 2: #AmexVirginAmer #AmexFedEx #AmexCheesecake #AmexMcDonalds #Amex1800flowers #AmexSportsAuth #AmexBestBuy

Step 5: Check your @connect on your Twitter account for the notifications. Example: thx for enrolling in #AmexVirginAmer offer. Spend w/ synced Card & receive credit. See terms: http://aexp.co/CNy

Step 6: Use your synced American Express at the merchants listed below and spend the appropriate amount to get an automatic statement credit.

@WholeFoods
Tweet #AmexWholefoods get 1-$20 credit w/single purchase in store of $75+ on synced AmexCard thru 4/30 QtyLtd See terms http://aexp.co/yN8
@BestBuy_Deals
Tweet #AmexBestBuy, get $10 back 1x w/single purchase of $100+ w/synced Amex Card! (QtyLtd, Exp 4/30) See terms http://aexp.co/XvN
@McDonalds,
Tweet #AmexMcDonalds, get $5 back 1x on next $5+ store pur w/synced Amex Card! QtyLtd, Exp 3/31. Terms http://aexp.co/W4b
@GulfOil,
Tweet #AmexGulfOil, get $5 back 1x on next $25+ store pur w/synced Amex Card! QtyLtd, Exp 4/30. Terms http://aexp.co/ZUZ
@VirginAmerica
Tweet #AmexVirginAmer for 10% back on main cabin tix w/synced Amex Card! (1x stmnt credit, QtyLtd, Exp 3/31) Terms: http://vgn.am/6018Rh2e
@Dell,
Tweet #AmexDell, get $100 back 1x on next $599+ online purch w/synced Amex Card! QtyLtd, Exp 4/30. Terms http://aexp.co/RGr
@Seamless
Tweet #AmexSeamless10, get $10 back 1x on next $25+ online purch w/synced Amex Card! (QtyLtd, Exp 3/20) See terms http://aexp.co/MAS
@HM
Tweet #AmexHM, get $10 back 1x on next $50+ pur in US stores w/synced Amex Card! Exp 4/30, See terms http://aexp.co/Ox1
@FedExDelivers
Tweet #AmexFedEx and get $5 back 1x on next $20+ in store purchases w/ synced Amex Card! (QtyLtd, Exp 5/31) See terms http://aexp.co/pOc
@Cheesecake
Tweet #AmexCheesecake, get $10 back 1x on next $50+ in store purchase w/synced Amex Card! (QtyLtd, Exp 4/30) See terms http://aexp.co/5Lp
@1800Flowers,
Tweet #Amex1800flowers, get $10 back 1x on next $50+ online pur w/synced Amex Card thru 4/30. Terms http://aexp.co/YMZ
@SportsAuthority
Tweet #AmexSportsAuth, get $15 back 1x on next $75+ in store purch w/synced Amex Card! (QtyLtd, Exp 4/30) See terms http://aexp.co/w9M
@century21stores
Tweet #AmexC21stores, get $10 back 1x on next $50+ online purch w/synced Amex Card! (Exp 4/30) See terms http://aexp.co/ye8

Here is a youtube video about how to sync if the instructions above weren’t clear enough

http://www.youtube.com/watch?v=0B-Km9vAIwo

Hat Tip to Slickdeals

Enjoy!