x402 Foundation
The Linux Foundation-hosted standards body coordinating x402 specification work, reference implementations, and ecosystem grants. Launched on 2 April 2026 with 22 founding participants including Google, Microsoft, AWS, Visa, Mastercard, Stripe, Cloudflare, Circle, Coinbase, Solana Foundation, and Polygon Labs.
Related terms
- x402 - An open payment protocol built on top of HTTP 402 that lets servers demand stablecoin payment before serving a resource, and lets clients (i
Recent stories
PROTOCOL
- Coinbase Q1 call: 99% of x402 settled in USDC, 90% of agentic stablecoin volume on Base - Choi calls x402 'the open standard for the next wave of agentic commerce' · theglobeandmail.com
- Circle ships Nanopayments on mainnet - gas-free USDC down to $0.000001 across 11 chains, fully x402 v2 compatible · circle.com
- Kite ships mainnet + Agent Passport - first x402-native chain with programmable agent wallets goes live · globenewswire.com
- Utexo enables USDT payments on x402 with near-instant Bitcoin-native settlement · prnewswire.com
- AWS Bedrock integrates x402 - first major cloud provider with native HTTP 402 payment rails for agents · cryptobriefing.com