Mastercard opens early access to AI agent payments at Cloudflare Connect

Mastercard wants your AI agent to have a corporate card, and it has a plan to stop that agent from going on a shopping spree. On October 20, 2026, the payments giant opened early developer access to its Agent Pay for Machines program at the Cloudflare Connect conference. The pitch: let software agents pay for things on their own, inside spending limits a human set in advance. Nine payments, two merchants, one budget The demo was refreshingly mundane, which is probably the point. An AI agent ran an ad campaign for a protein bar on behalf of a marketing agency. Over the course of that campaign, the agent made nine separate payments. Those went to two merchants, AIsa and Cloudflare AI Gateway, and all of them came out of a single budget that had been approved up front. Developers getting early access receive three main pieces. There’s a suite of APIs for both the buyer side and the seller side, a broader developer toolkit, and a testing sandbox. Cards, bank accounts and stablecoins Agent Pay for Machines supports cards, bank accounts and stablecoins. Every payment method comes with built-in spending controls. The demo agent also ran on the x402 protocol, which Coinbase initiated. Acco...