Update: Some offers mentioned below are no longer available. View the current offers here.While Amex cards are known for providing plenty of traditional perks, ranging from rental car protection to Centurion Lounge access, there are also a handful of benefits available to more proactive cardmembers — Amex Offers is easily one of my favorites.I’ve taken advantage of plenty of offers over the years, earning me thousands of bonus points and hundreds of dollars in statement credits on purchases I likely would have made either way.One such purchase is a stay at Ritz-Carlton, one of my new favorite hotel brands following the Marriott-SPG merger. Now, as of Wednesday, Amex is offering $100 off a Ritz purchase of $500 or more, including room rate and charges billed to your account during a stay.This happens to be one of the most widespread Amex Offers I’ve come across. For example, here are the personal credit cards we see it offered on:The Platinum Card® from American ExpressStarwood Preferred Guest® American Express Luxury CardStarwood Preferred Guest® Credit Card from American ExpressIt’s available on these business cards as well:Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.The Business Platinum Card® from American ExpressThe Blue Business®️ Plus Credit Card from American ExpressBusiness Green Rewards Card from American ExpressStarwood Preferred Guest® Business Credit Card from American ExpressThe information for the Business Green Rewards Card from American Express has been collected independently by The Points Guy. The card details on this page have not been reviewed or provided by the card issuer.You need to register first by clicking “Add to Card” within your Amex account, either on Amex’s site or via the mobile app. Only properties in the US, Puerto Rico, US Virgin Islands, Canada, Mexico, Aruba and the Cayman Islands are eligible, excluding Ritz-Carlton Reserve, Residences and Destination Club properties.Be sure to read the full terms and conditions to be sure you’ll be eligible for the $100 credit before you make a purchase. Credits post within 90 days after the promo ends, on December 24, 2018.