Mastercard Commerce Media: how the card network sells offers and ads

Mastercard does not issue cards, so the cardholder relationship sits with banks. Its reach runs through other companies: it says the network works in its owned channels and in "bank and other publishing outlets around the world" (Mastercard, 1 October 2025). So the network's size depends on issuers choosing to show Mastercard's offers. That is the opposite of Amex Ads, which runs only on American Express's own properties.

That dependence makes partners central. Mastercard called its Citi relationship a "force multiplier" for scale (Mastercard, 1 October 2025). On 13 August 2026 Citi agreed to buy Kard, a rewards platform it described as a commerce media network (Citigroup, 13 August 2026). Whether that changes how Citi uses Mastercard's offers is not public. For a buyer, it is a reason to ask which issuers will carry a campaign.

The product is less new than the name. A spokesperson told Marketing Dive that the network does not replace Mastercard's existing offers business but builds on it (Marketing Dive, 1 October 2025). The 25,000 advertisers and 500 million enrolled consumers came with that business. What is new is the packaging: one network, sold with WPP, linked to Dynamic Yield personalisation and aimed at AI shopping agents through Microsoft.

Offers. The core unit is a card-linked offer: cashback, a discount or an incentive that a consumer activates on an enrolled card. Mastercard then attributes the purchase to the offer. Publishers can also pay rewards in a brand's own loyalty currency (Mastercard, 1 October 2025).

Ads and content. The release lists "advertisements" among the content advertisers can deliver, without naming formats or placements. American Airlines is a launch partner, and Mastercard mentions reaching consumers "on the move" as they travel.

Planned channels. Point of sale, digital wallets and new markets are planned for 2026 and beyond. We found no announcement that these channels had gone live by 9 November 2026. How offers move from merchant to cardholder is set out in card-linked offers explained.

Mastercard uses "insights from permissioned data" inside its Offers platform to pick the audience for each offer, within the advertiser's own parameters. The release says opted-in consumers receive offers matched to their interests.

What stays inside: transaction data stays with Mastercard, which selects audiences for advertisers rather than handing over lists. What advertisers receive: delivery to the chosen audience, attribution and incrementality results, and "greater transparency into campaign performance insights" (Mastercard, 1 October 2025). Mastercard does not explain how consent is collected or by whom, and its privacy pages could not be accessed.

A card network usually reaches consumers through issuers, so the issuer's own notices and the US rules in GLBA and advertising with bank data also apply to each campaign. The rules on what the ads themselves may say are mapped in bank advertising rules.

Card-linking lets Mastercard see the purchase on an enrolled card in a store or online. It says advertisers can attribute both conversion and incrementality, which most retail networks cannot do for sales outside their own stores. Measurement is closed-loop for spend on enrolled Mastercard cards only.

The "up to 22-times" return on ad spend (ROAS) is a company claim, given as a maximum across retail, travel, dining and other categories. We found no independent audit, accreditation or published method.

1. Contact Mastercard or WPP Media. Mastercard sells directly and through its collaboration with WPP; there is no public self-serve console.
2. Set the offer parameters. Define the reward, budget, dates and target behaviour in Mastercard's Offers platform with the team.
3. Ask where it will run. Request the list of issuers, publishers and Mastercard channels for your market.
4. Agree measurement. Confirm how incrementality is measured and how the control group is formed.
5. Plan for overlap. If you also buy bank-owned offers, such as Chase Media Solutions or Cardlytics, check that the same customer is not rewarded twice.

It suits:

• merchants that want new customers across many banks at once;
• brands with in-store sales that online ad platforms miss;
• travel, dining and entertainment brands that already fund card offers.

It suits less:

• brands that want awareness formats such as video;
• advertisers that need a published list of placements before buying;
• buyers who require audited measurement.

• Mastercard Commerce Media revenue and growth since launch.
• The list of issuers and publishers that carry the network.
• Whether point-of-sale or wallet placements have launched.
• How consumer consent is captured and by whom.
• Pricing model and minimum spend.

1. Mastercard, "Powering Smarter and More Personal Advertising With Mastercard Commerce Media" (1 October 2025), investor relations PDF. https://s25.q4cdn.com/479285134/files/doc_news/Powering-Smarter-and-More-Personal-Advertising-With-Mastercard-Commerce-Media-2025.pdf
2. Marketing Dive, "Mastercard makes bigger grab for commerce media dollars with new network" (1 October 2025). https://www.marketingdive.com/news/mastercard-bigger-grab-commerce-media-dollars-new-network/761568/
3. PPC Land, "Mastercard launches commerce media network with $100B market potential" (October 2025). https://ppc.land/mastercard-launches-commerce-media-network-with-100b-market-potential/
4. Citigroup, "Citi Expands Customer Engagement and Commerce Media Capabilities with Addition of Kard" (13 August 2026). https://www.citigroup.com/global/news/press-release/2026/citi-expands-customer-engagement-commerce-media-capabilities-kard-addition