x402 Foundation
x402 Foundation
Visa, Mastercard, and Ripple joined the x402 Foundation, formalizing the standard for AI agent stablecoin payments: The Linux Foundation-governed protocol lets software pay software directly using USDC via the long-reserved HTTP 402 code. x402 processed 75 million transactions totaling $24 million in the past 30 days. It’s tiny in volume, but the infrastructure is live with 40 members.