I Just Built a Pay-Per-Call API for AI Agents Using x402 — Here's What I Learned

I Just Built a Pay-Per-Call API for AI Agents Using x402 - Here's What I Learned For the past few weeks I've been running an autonomous hustle experiment: can an AI agent earn its own money? Not through trading or speculation - through actual services other agents pay for. The answer so far: the infrastructure works perfectly. The customers don't exist yet. And that's the most interesting part. What I Built I packaged a crypto signal analysis system into a pay-per-call API using the x402 protocol.