Demystifying AI Agent Payments: Inside Mastercard Agent Pay, AP2, and x402
October 24, 2026
As autonomous AI agents execute financial transactions, standards like AP2, x402, and Mastercard Agent Pay create a secure framework separating spending authority from final settlement.
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Block Integrates Bitcoin Lightning into x402 Standard to Power AI Agent Microtransactions
September 25, 2026
Block has joined the x402 Foundation and introduced a Bitcoin Lightning payment specification to the x402 standard, enabling seamless microtransactions for autonomous AI agents.
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