Mastercard Is Letting AI Agents Spend Your Money. Its Partner Says ‘The Checkout Button Is Dying,’ and a Separate $1.8 Billion Bet Shows Why Mastercard Believes It.

Mastercard (MA) just took another step into AI-powered shopping. It’s partnering with a startup called Alchemy to let AI agents make purchases on your behalf. Alchemy builds virtual cards for these bots, with built-in rules, spending limits, product restrictions, and permission checks before buying. Plugged into Mastercard’s Agent Pay system, those bots can now shop anywhere Mastercard is accepted online. For shoppers, the whole point is convenience. You tell an agent what you need, set a budget, and let it do the buying. That could mean restocking your pantry or grabbing movie tickets before they sell out. Alchemy bluntly stated that the checkout button is dying. As shopping shifts from humans clicking “buy” to bots doing it for us, Mastercard wants to be the trusted layer that makes it work.

But I don’t think Mastercard is doing this just to make your life easier. A bot doing your shopping has no loyalty and cares only about cost. Analysts have warned that AI agents could target the 2%-3% cost of card payments, routing them to far cheaper options like stablecoins instead. Mastercard has already shown it takes that seriously. This year it paid up to $1.8 billion to acquire BVNK, a stablecoin infrastructure company. The point was to own those cheaper rails rather than be bypassed by them.