Mastercard 发布 AI 智能体支付功能，提供早期访问和现场演示
Mastercard Opens Up AI Agent Payments With Early Access and Live Demo
Mastercard 发布了名为 'Agent Pay for Machines' 的系统，允许 AI 智能体在人类设定的支出限制内发现服务、同意条款并支付。该系统基于 x402 协议，通过数字签名的 '支付凭证' 进行支付，并在 Cloudflare Connect 上进行了现场交易演示。
原文给出了能力变化和开放入口，读者可以据此判断它会怎样改变现有工作流。
In brief
- Mastercard opened early access to Agent Pay for Machines, a system letting AI agents discover services, agree to terms, and pay for them within human-set spending limits, and demoed a live transaction at Cloudflare Connect.
- Built on the x402 protocol, it works via signed “payment vouchers” an agent generates when it hits a “402 Payment Required” response; a demo saw a marketing agent run an ad campaign across nine payments to two merchants on one budget, settled via Coinbase, Base and BVNK in fiat or stablecoins.
- It extends Mastercard’s rapid stablecoin and agent push, from Stablecoin Security to its Global Money Platform.
Mastercard is moving its vision of AI agents transacting on their own from concept to live demo, opening early access to a system called Agent Pay for Machines that lets autonomous software discover services, agree to terms and pay for them, all within limits a human sets.
The company first announced plans for the system in June and today unveiled the milestone at Cloudflare’s Connect conference, where Mastercard’s Jorn Lambert demonstrated a live transaction.
The pitch addresses a problem emerging as AI agents grow more capable: they are becoming “economic actors” that need to buy data from one provider, an AI model from another and computing power from a third, but today’s paid services typically demand an account, API key or billing relationship with each one, which breaks down when an agent is picking services on the fly.
Agent Pay for Machines builds on x402, the open protocol that lets online services request payment, and pairs it with Mastercard’s network. The flow hinges on authority rather than the payment itself.
A business gives an agent a task and a spending cap; when the agent hits a paid service that returns a “402 Payment Required” response, it generates a digitally signed voucher, a secure promise to pay within its approved limit, which the provider verifies before delivering the service. The interactions happen off-chain at machine speed, and providers can batch vouchers to redeem later.
In the demo, an agent for marketing agency Hype planned a protein-bar campaign on a set budget, discovering registered providers and executing a two-step plan, social media research from one vendor and campaign images via Cloudflare, across nine payments to two independent merchants with no separate accounts or invoices.
Behind the scenes, Coinbase’s developer platform supplied the wallet, the Ethereum layer-2 network Base provided on-chain settlement, and BVNK, the stablecoin firm Mastercard acquired in August, handled payment and settlement in fiat or stablecoins through Mastercard’s Global Money Platform.
The launch follows end-to-end pilots with Cloudflare, Ant International, AWS, BVNK and Coinbase, and Mastercard is releasing buyer- and seller-side APIs, a toolkit and a sandbox to developers.
It caps a rapid stablecoin and agent push the company has detailed in recent weeks. Mastercard just launched a Stablecoin Security risk tool and the BVNK-powered Global Money Platform.
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来源：Decrypt · decrypt.co