DBDaniel Buchnerinbackalleycoder.hashnode.dev·Jun 25 · 5 min readIntroducing x401: Bringing Proof of Identity to the Agentic WebHTTP has had a payment status code since 1997. It still doesn't have a native identity one. x401 fixes that. If you've worked with x402, Coinbase's HTTP-native payment protocol built on the long-dor00