PANews reported on September 25 that Block has joined the x402 Foundation, which is committed to promoting open standards for AI Agent payments, Cointelegraph reported. Block also contributed Bitcoin Lightning payment capabilities to x402, hoping to provide infrastructure for payments between individuals, businesses, and AI Agents. The x402 Foundation was established in April this year under the Linux Foundation; other supporters include Google, Microsoft, Amazon Cloud Technology (AWS), and crypto industry companies such as Coinbase and the Solana Foundation.