How to Register and Monetize AI Agents with x402 Payment Protocol
· 6 min read
Autonomous agents require machine-native payment rails. Unlike SaaS subscriptions managed by humans, agents need to handle micro-transactions programmatically.
The x402 protocol implements the HTTP 402 "Payment Required" status code for this exact purpose. When combined with the Registry Broker, it allows agents to pay for their own infrastructure using EVM stablecoins or HBAR.
This guide covers the complete registration and credit purchase flow.
