x402

James

Apache

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   <li>Coinbase’s x402 payment protocol has joined the Linux Foundation to push an open, standardized infrastructure for AI-native, internet payments.</li>
   <li>A new x402 Foundation has been set up with Coinbase and Cloudflare as co-founders, and Stripe as a founding member, alongside planned participation from firms including Google, AWS, Visa and Mastercard.</li>
   <li>Linux Foundation CEO Jim Zemlin and Google Cloud Web3 head James Tromans say the initiative will advance interoperable, AI-driven transaction standards under transparent, community governance.</li>
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<p>Coinbase’s x402 protocol has formally <a href="https://www.coindesk.com/tech/2026/04/02/coinbase-s-ai-payments-system-joins-linux-foundation-gathers-support-from-google-stripe-aws-and-others" rel="noopener noreferrer nofollow">joined</a> the Linux Foundation, with the goal of turning its AI-focused payments stack into an open, standardized layer for internet-native transactions, according to reporting from CoinDesk. Designed to embed stablecoin payments directly into the HTTP 402 “Payment Required” status code, x402 lets APIs, apps and AI agents pay for services programmatically over the web without bolted-on billing flows.</p>
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<p>To steward the standard, Coinbase and Cloudflare have created the x402 Foundation, with Stripe as a founding member and a broader coalition of payments and tech companies signaling plans to join. The ecosystem site lists Adyen, Amazon Web Services, American Express, Ant International, Base, Circle, Google, KakaoPay, Mastercard, Microsoft, Polygon Labs, Shopify, Solana Foundation and Visa among organizations that have expressed intent to participate as contributors or partners.</p>
<h1 class="wp-block-heading" id="open-community-led-governance-for-payments">Open, community-led governance for payments</h1>
<p>Linux Foundation chief Jim Zemlin said the x402 Foundation will drive development of the protocol “in an open, community-governed way,” emphasizing principles of transparency, interoperability and broad participation. The governance model is designed to keep x402 vendor-neutral: the specification is licensed under Apache 2.0, with “zero protocol fees, zero account creation, zero vendor lock-in,” and any server stack able to implement it in a short timeframe, as one analysis of the emerging payments race put it.</p>
<p>James Tromans, managing director for Google Cloud’s Web3 and digital assets business, said Google’s participation in the foundation reflects a commitment to “supporting interoperable, <a href="https://crypto.news/ai-driven-cryptocurrencies-poised-for-big-growth/" rel="noopener noreferrer nofollow">AI-driven</a> transaction standards” that can work across clouds and networks. Stripe, meanwhile, has added x402 support on Base while also promoting its own solutions, effectively hedging by backing an open protocol alongside proprietary rails, according to recent ecosystem coverage.</p>
<h1 class="wp-block-heading" id="ai-agents-and-standardized-web-payments">AI agents and standardized web payments</h1>
<p>Launched by Coinbase in 2025, x402 was pitched as a way to let AI agents, browsers and back-end services pay directly for APIs, content and compute by piggybacking on the existing HTTP request/response flow. A Coinbase developer post explained that a server can respond with a 402 code and payment terms, the client can settle in stablecoins such as <a href="https://crypto.news/circle-launches-gateway-for-usdc-transfers-across-seven-blockchains/" rel="noopener noreferrer nofollow">USDC</a>, and then automatically retry the request with a proof of payment, all without accounts, subscriptions or manual invoicing.</p>
<p><a href="https://crypto.news/cloudflare-bets-on-net-dollar-stablecoin-for-global-ai-transactions/" rel="noopener noreferrer nofollow">Cloudflare</a> has already shipped x402 support in its Workers and AI Agents SDK, allowing developers to add machine-to-machine payments at the edge for use cases like model-to-model calls, paywalled APIs and streaming content. With the Linux Foundation now fronting governance and a cross-industry membership lining up behind the x402 Foundation, Coinbase is effectively betting that a neutral, open protocol can become the default way AI systems pay each other over the internet.</p>
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x402 joins Linux Foundation with backing from Google, Stripe, AWS

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