BlockBeats message, April 2, according to CoinDesk, the AI payment protocol x402 developed by Coinbase announced that it is joining the Linux Foundation and establishing an initial governing body, the x402 Foundation, with the goal of building open standard infrastructure for high-frequency micropayments for AI agents.
The x402 Foundation’s initial members include Cloudflare and Stripe, and it has also received letters of intent for support from organizations such as Adyen, Amazon Web Services (AWS), American Express, Ant International, Base, Circle, Fiserv, Google, KakaoPay, Mastercard, Microsoft, Polygon Labs, Shopify, Solana Foundation, Visa, and others.
The x402 protocol is designed specifically for payment scenarios where AI agents execute autonomously. It can handle microtransactions at high frequency with denominations of only a fraction of a U.S. cent—an area that traditional credit card networks find difficult to carry efficiently. By joining the Linux Foundation, x402 hopes to solve interoperability issues and build a standardized role similar to how the SSL protocol standardizes encrypted connections between browsers and servers.
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