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Ahmed Balaha

Coinbase and Linux Foundation Launch X402 to Activate HTTP 402 Payments

On April 2, 2026, Coinbase and the Linux Foundation launched the X402 Foundation to steward an open-source standard that uses HTTP status code 402 as a built-in payment trigger. The X402 flow lets servers quote a price and accepted tokens, while clients submit a signed payment payload (including stablecoins or other ERC-20 tokens) within normal web/API requests. Early tooling is tied to Base, with Cloudflare's Agents SDK supporting transactions on Base Sepolia using USDC.
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