Mastercard has launched Agent Pay for AI, a groundbreaking payment system enabling artificial intelligence agents to conduct micropayments and settle transactions autonomously. This new protocol tackles a critical challenge in the payment space: facilitating small, automated machine-to-machine payments that traditional card systems struggle to handle efficiently.
Agent Pay for AI leverages Polygon, an Ethereum-based blockchain network, to securely store user permissions granted to AI agents. By recording these authorizations on a public blockchain instead of a centralized database, Mastercard ensures that multiple stakeholders can independently verify whether an AI agent is operating within its allowed boundaries without relying on a single authority.
The initiative emerges from a partnership between Mastercard and key players in fintech and crypto, including payment platform Adyen, crypto exchange Coinbase, and internet infrastructure leader Cloudflare. This alliance signals Mastercard's intent to develop interoperable, open infrastructure rather than a closed proprietary system—a strategic move given the crowded field where competitors like Visa, Stripe, Coinbase, and Google are also developing AI-focused payment protocols.
The Agent Pay for AI protocol targets scenarios where AI requires micropayments for incremental services, like accessing data or completing tasks continuously on behalf of users. These machine-to-machine transactions have been underserved by current payment rails designed primarily for human-initiated purchases. Mastercard’s product chief framed this development as forward-looking infrastructure anticipating a significant shift: as AI chatbots increasingly mediate e-commerce transactions, the protocol aims to become a core enabler of this evolving commerce flow over the next five years.
While Mastercard does not expect Agent Pay for AI to generate major revenue in the immediate term, the company views it as tapping into a substantial new market emerging from AI’s integration into everyday financial operations. By selecting the Polygon blockchain, known for its scalability and Ethereum compatibility, Mastercard aligns its solution with established crypto networks, paving the way for wider adoption of AI-driven payments.