Aitor

AI agents can browse the web, write code, and orchestrate complex workflows. But when it comes to paying for things, they're stuck. They can't swipe a card, they can't approve an invoice, and they definitely can't call your bank.

AI agents are getting smarter, but most of them still can't get paid. If you've built an agent that provides real value -- answering questions, generating content, analyzing data -- you've probably thought about monetization.

Building AI agents is hard enough. Adding payment infrastructure shouldn't make it harder. If you've ever tried to monetize an AI agent or API

x402 is doing something very useful and at the same time simple : resurrecting HTTP 402 Payment Required as a standard way for machines to ask for payment and then retry the same HTTP request with proof of payment. The result is an internet-native payment handshake that works for APIs, AI agents, and micro-services—without accounts, API keys, or subscription checkout flows.