Launching the x402 Foundation with Coinbase, and support for x402 transactions
Sep 23, 2025Will Allen, Cam Whiteside, Rohin Lohe, Steve James

Summary
Introduces the x402 protocol for machine-to-machine payments, enabling AI agents to pay for resources. Proposes a new deferred payment scheme for x402 to support scenarios like pay-per-crawl and batch settlements. Integrates x402 support into the Agents SDK and MCP servers, demonstrated with a playground and example code for agentic payments and tool usage.
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