AI agents today can research, negotiate, and collaborate, but when it comes to handling payments, everything suddenly becomes messy.

A 2026 guide to AI agent billing, covering patterns, playbooks, and system architecture.

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.

Privy Wallets Now Power Agentic Payments and Commerce on Nevermined

A quick guide to integrating X402, covering setup basics and key implementation steps.

A brief guide to using X402 for streamlined AI agent billing and payments.