Coinbase and the Linux Foundation launched the x402 Foundation to oversee the development of a new open-source internet payments standard. This industry group will steward the x402 protocol, which allows websites to request and receive payments as part of standard web traffic. The move transitions the technology from a Coinbase-led project to a neutral, community-governed entity.
Enabling Agentic Commerce and AI Transactions
The x402 protocol revives the long-dormant HTTP 402 "Payment Required" status code to create a native payment layer for the web. This allows APIs and websites to request payment directly during HTTP interactions before granting access to specific services. Developers are currently utilizing the protocol to facilitate transactions for AI agents that perform tasks on behalf of users.
"Agents are going to buy, sell, and transact on our behalf. They will need a payment rail that’s open, interoperable, and doesn’t require a human clicking confirm purchase," Shan Aggarwal, chief business officer at Coinbase, told Decrypt.
Broad Industry Adoption and Infrastructure
Several major technology and finance firms joined the foundation, including Google, Stripe, Visa, Mastercard, Shopify, and Cloudflare. The Solana Foundation also participates, with Rishin Sharma noting that Solana has driven nearly 65% of x402 transaction volume this year. These partnerships aim to ensure the protocol remains vendor-neutral and accessible to all developers.
"The x402 Foundation will create an open, community-governed home to develop these capabilities in the open, ensuring they evolve with transparency, interoperability, and broad participation," Linux Foundation Executive Director Jim Zemlin said.
Shift Toward Open Web Protocols
This initiative marks a return to the foundational philosophy of the internet, which relied on open protocols rather than closed, proprietary systems. By moving the x402 protocol under the Linux Foundation, the industry avoids the risk of a single company controlling the payment gateway for AI agents. This mirrors previous shifts where critical infrastructure, such as Kubernetes, moved to neutral foundations to encourage global adoption.
Future Development and Integration
The foundation will prioritize maintaining interoperability across different technical implementations and supporting merchants who build services around the standard. Projects like Sam Altman's World are already integrating x402 to help agents prove they represent real humans. Infrastructure efforts, such as MoonPay's Open Wallet Standard, are also adding support for the protocol.
Industry observers will now watch how quickly traditional payment processors integrate these stablecoin-friendly rails into their existing systems. The success of the x402 Foundation depends on whether it can convince a critical mass of web developers to replace traditional checkout pages with native HTTP payment requests. This transition could fundamentally change how digital content is monetized in an AI-first economy.