Block Brings Bitcoin Lightning Payments to x402 for AI Agents

Block has expanded its push into payments for AI agents by joining the x402 Foundation and adding Bitcoin Lightning support to the payment protocol.

The company sees Lightning as a suitable choice for low-cost, high-volume payments that agentic commerce will depend on.

x402 is an open payment standard enabling AI agents and web services to autonomously pay for API access, data, and digital services.

Block joins other notable backers of the x402 Foundation, including Google, Microsoft, Amazon Web Services, Coinbase, and the Solana Foundation.