Linux Foundation Launches x402 to Enable Native Payments for AI Agents
The Linux Foundation has established the x402 Foundation to govern a new open standard that allows AI agents, applications, and APIs to make payments directly over HTTP. Originally developed at Coinbase, the protocol embeds financial transactions into standard web requests, eliminating the need for separate billing systems or manual checkout steps. It supports both traditional payment methods like credit cards and digital assets such as stablecoins. Forty organizations have joined the initiative, including Amazon Web Services, Google, Visa, Mastercard, American Express, and Stripe. The protocol repurposes the long-dormant HTTP 402 status code to signal when a payment is required before a web server fulfills a request.
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