Through June 30, 2017 or while supplies last, you can get $25 back after spending $65 or more at Boxed.com when you first register your American Express card for this promo. Boxed.com is an online warehouse store which sells many of the same items you’d find at places such as Costco.

To sweeten this deal further, you can stack promo codes on top of this Amex offer. First time users of Boxed.com can use promo code DQ3MN to get $15 off their first order of $60 or more. Or if you already have a Boxed.com account, you can use promo code OPZAUAN to get 10% off your order. In order to stack these discounts with the Amex promo, your final order amount after the discount (but before Amex’s) must be at least $65. This means that if you use the $10 off discount code, you can effectively get $40 off your purchase of $80 or more.

Enrolling in Amex Offers

To enroll in any of the following promos, connect your card with Twitter, then tweet the appropriate hashtag. Alternatively, these offers may also be available to you by logging into your American Express account online or through other channels such as Facebook or the American Express iPhone app.

It’s also worthwhile to login to your online American Express account to check your offers, as your online account will also show additional Amex Offers that are specially targeted to you that are not available to the general public.

If you’re not already familiar with Amex Offers and want to learn the basics of the program–including how to sign up for offers–see this guide.

Recently added Amex Offers

See all Currently Available Amex Offers
As always, to see a complete list of all public, currently available Amex Offers, including the above offers and more, see this page, which automatically updates whenever new offers are found.