Mastercard Launches AI Agent Payment Protocol with Blockchain-Based Permissions

Mastercard announced a new protocol called Agent Pay for Machines that enables AI agents to pay each other and conduct micropayments, with permissions stored on the Polygon blockchain. The initiative involves partnerships with fintech companies Adyen, Coinbase, and Cloudflare, and reflects broader industry movement toward agentic finance. While current agentic payment volumes remain small, major financial companies view this as a significant emerging market over the next five years.
Mastercard has launched Agent Pay for Machines, a protocol designed to facilitate payments between AI agents and enable smaller money transfers for tasks like accessing data from websites. The system stores human-granted permissions on the Polygon blockchain network rather than private databases, allowing multiple parties to verify that AI agents are operating within their authorized parameters. The initiative is being developed in collaboration with Adyen, Coinbase, and Cloudflare. While Mastercard's chief product officer acknowledged this won't be a major revenue driver immediately, he expects it to become a meaningful market within five years. The move reflects broader industry trends, with competitors like Visa, Stripe, and Google also developing AI payment infrastructure, though agentic payment volumes currently represent only a small fraction of overall commercial transactions.
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Exclusive: Mastercard launches protocol to let AI agents pay each other, send micropayments
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