Amex Ads: American Express's ad platform for card members, explained

American Express issues cards and also runs the network they settle on, with more than a hundred million merchant locations (American Express release). It sees a card member's spend online and in stores, and it also runs a travel booking site. Amex Ads combines the two: a hotel can reach card members who booked a flight on AmexTravel.com but not a room. That travel-intent signal sits beside spend data in one company, which is unusual among the card networks in our directory.

Amex chose to sell display media, not more offers. Amex Offers already drove $15 billion of global spend in 2024 (American Express release). Yet Amex Ads is a separate product with its own formats and measurement. Chase Media Solutions went the other way, keeping its media business to cash-back offers only. The two banks with the most spend data have made opposite product bets.

Distribution is narrow by design. Amex Ads runs only on Amex-owned properties and is not sold programmatically (Axios, 6 October 2025). Mastercard Commerce Media, launched five days earlier, works the other way and reaches consumers through banks and publishers. A third route also exists: American Express is a bank partner of Cardlytics, which runs offers inside partner channels (Cardlytics 10-K, FY2025).

Onsite. Ads appear on AmexTravel.com while card members search and book. TUMI also ran ads in post-booking emails from Amex Travel (American Express release). American Express says it will add other Amex-owned platforms over time; we found no announcement that it has done so by November 2026.

Offsite and in-store. None. Ads stay within what American Express calls its "four walls" (Marketing Dive, 6 October 2025). Merchant-funded card offers remain a separate program, explained in card-linked offers explained.

Targeting uses first-party data from what American Express calls "a 360-degree view of online and offline Card Member spend", together with travel bookings. The Marriott Bonvoy pilot targeted card members who had booked a flight but no hotel (American Express release).

What stays inside: card member identities and transactions; the ads never leave Amex properties. What advertisers receive: placements in front of authenticated card members and reports on sales results. The launch release promises to maintain "the privacy, security and trust" card members expect. It does not describe opt-out choices or what reports contain at record level. We could not read Amex's privacy notices for this profile.

The US rules on how card issuers may use customer data for marketing are explained in GLBA and advertising with bank data. The other rules a bank's ads must meet are mapped in bank advertising rules.

Amex says it measures sales lift online and in store and ties ad exposure to spend on its cards (American Express release). That is closed-loop measurement for purchases made with American Express cards.

Pilot results are company claims, measured against benchmarks built from third-party advertiser data (American Express release). Marriott achieved results 3x higher than its target benchmark; TUMI's results were 30% higher than its own benchmark. We found no third-party verification or published lift method. Sales paid with other cards are outside the loop.

1. Contact American Express. Amex Ads is sold directly by the Amex Offers digital media team; there is no self-serve or programmatic route.
2. Start with travel intent. The first inventory is AmexTravel.com and Amex Travel emails, so frame the brief around trips and bookings.
3. Choose the audience. Agree segments built on spend and booking data, such as flyers without a hotel.
4. Set the benchmark. Agree what the campaign will be measured against before launch, since Amex reports results against benchmarks.
5. Decide on offers too. If you also fund Amex Offers, plan the two together so you can tell which one drove a sale.

It suits:

• hotels, luggage, travel and premium retail brands;
• advertisers that want an authenticated, high-spending audience;
• brands that want sales measured on card spend, including in stores.

It suits less:

• buyers who need programmatic access or their own DSP;
• mass-market brands seeking reach beyond Amex card members;
• advertisers that want independent verification of results.

• Amex Ads revenue, campaign count or advertiser list beyond the pilot brands.
• Whether Amex Ads has expanded beyond AmexTravel.com and Amex Travel emails.
• Pricing model and minimum spend.
• Opt-out choices and consent language that apply to Amex Ads targeting.
• How sales lift is calculated and what control group is used.

1. American Express via Business Wire, "American Express Unveils Amex Ads to Connect U.S. Card Members to Premium Brands" (6 October 2025; verified via search result, 403 to fetcher). https://www.businesswire.com/news/home/20251006227044/en/American-Express-Unveils-Amex-Ads-to-Connect-U.S.-Card-Members-to-Premium-Brands
2. The Agile Brand Guide, full reprint of the American Express release (7 October 2025). https://agilebrandguide.com/american-express-unveils-amex-ads-to-connect-u-s-card-members-to-premium-brands/
3. Marketing Dive, "American Express debuts ad network boasting contextual targeting prowess" (6 October 2025). https://www.marketingdive.com/news/american-express-debuts-ad-network-boasting-contextual-targeting-prowess/801805/
4. Adweek, "American Express Launches Ad Business in Growing Commerce Media Race" (6 October 2025). https://www.adweek.com/commerce/american-express-launches-ad-business-in-growing-commerce-media-race/
5. Axios, "American Express launches Amex Ads" (6 October 2025; 403 to fetcher, as used in A1). https://www.axios.com/2025/10/06/amex-ads-american-express-media
6. Cardlytics, Form 10-K for fiscal year 2025 (filed March 2026). https://www.sec.gov/Archives/edgar/data/1666071/000166607126000010/cdlx-20251231.htm