Signal 01
X402 Foundation Github Releases releases x402 agent payment support
X402 Foundation Github Releases 发布 x402 代理支付支持
feat(go): add sign-in-with-x server and client support (#2485)
x402协议v2.13.1发布，新增sign-in-with-x服务器和客户端支持，为AI代理支付提供标准化认证授权能力。
Why it matters: Direct strong concept: x402 protocol release with sign-in-with-x support, enabling agentic payment authentication and authorization.
为什么重要：x402协议新增sign-in-with-x功能，为AI代理提供标准化的支付认证和授权机制，是代理支付基础设施的关键进展。