How I built x402 payment endpoints agents call

How I Built x402 Payment Endpoints Agents Call The Problem: Autonomous Payments in an AI-Native World When building agentic systems that need to interact with real-world financial systems, I faced a critical challenge: how do autonomous AI agents securely initiate payments without human intervention? Traditional payment APIs require structured authentication flows, webhooks, and manual approval steps—none of which work when your customer support agent needs to issue a $42 refund at 3 AM. That's