Update: Although the Foursquare app says that you can unlock this special with every checkin, it appears that the credit can only be earned once per card. Please post a comment if you can confirm either way.
Save Money With American Express And Twitter!
Stackable 20% Off Any Item And $10 Off $50 Savings At H&M With American Express!
Stackable Virgin America 20% Off And 10% Off Coupons With American Express!
Sync your American Express card with Foursquare and then download Foursquare to your smartphone.
Then search for Shell and checkin to unlock and load a $3 statement credit on a $25 purchase to your registered card.
That’s like getting 12% off your gas purchases!
Plus this is even sweeter on American Express cards that give extra bonuses for spending on gas like the consumer Premier Rewards Gold, Costco American Express, Blue Cash/Blue Cash Preferred, and the business Simply Cash card.