x402: The Payment Protocol That Lets AI Agents Buy Compute

X402: The Payment Protocol That Lets AI Agents Buy Compute The agentic AI revolution is here - but there's a problem nobody's talking about: AI agents can't pay for things. Most AI inference APIs require a human to set up an account, add a credit card, generate an API key, and stay on top of billing. This works fine when a human is driving. But what about autonomous agents that run overnight, handle pipelines, or orchestrate complex multi-step tasks? Enter x402 - the HTTP payment protocol that gives AI agents a native way to pay for compute.