x402 Foundation

x402 Foundation

https://www.x402.org/

The x402 Foundation stewards the x402 protocol, created by Coinbase, which lets agents, APIs and apps pay over HTTP, mainly with stablecoins. It launched under the Linux Foundation in 2026.

x402 SDK Flaws Put AI Agent Wallets at Risk

October 23, 2026

V12 found 25 flaws in the x402 SDKs, including three critical issues that could expose agent wallet balances or let users bypass payments. The x402 Foundation fixed the critical flaws on August 18.
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