Summary
On July 14, 2026, the Linux Foundation announced the operational launch of the x402 Foundation, a neutral standards body for internet-native payments backed by 40 founding members including Visa, Mastercard, American Express, Stripe, Adyen, Fiserv, Google, AWS, Circle, Coinbase, Solana, Stellar, and Ripple. The x402 protocol revives the long-unused HTTP 402 'Payment Required' status code to let AI agents pay for APIs and services over standard HTTP without accounts, subscriptions, or manual card entry.
What changed
The x402 payment protocol moved under a neutral Linux Foundation standards body with 40 founding members spanning card networks, processors, cloud providers, and stablecoin and blockchain rails.
Why it matters
It converts a vendor-driven agent-payments experiment into an industry standard with card-network and processor backing, giving builders a credible, neutral rail for machine-to-machine and agent-initiated payments - a prerequisite for autonomous agent commerce reaching production scale.
Evidence excerpt
40 founding member organizations spanning payments infrastructure, cloud, and blockchain networks.