57 AI agents knocked on my API in 24 hours. None had an API key. I posted about my API on a small community. The next morning, I checked the logs. 57 requests. 57 401 Unauthorized . 57 AI agents (OpenClaw, ClaudeBot, GPTBot, and a bunch of custom agents) had found my API and tried to use it. Every single one was rejected because they didn't have a key. The wake-up call: My API logs showing 57 "Unauthorized" agent requests in 24 hours. Zero had API keys. That's when it hit me: UI/UX is for humans. DX is for developers. But AI agents need something else entirely. Let me introduce you to AX – Agent Experience . The Three Layers of Experience Layer Who it's for What matters UI/UX Human visitors Buttons, colors, forms, readability DX Developers API docs, SDKs, curl examples, auth flow AX AI Agents Machine-readable discovery, structured responses, self-documenting endpoints Most APIs nail UI/UX. Many have decent DX. Almost none think about AX. And AX is becoming critical.…