What x402 Actually Is x402 is a crypto-payment protocol quietly co-authored by Google, Coinbase and the Ethereum Foundation. Its job is to let any AI Agent move stablecoins, ETH and other on-chain assets as effortlessly as sending an e-mail. Sixty payment partners—Stripe, PayPal, Visa and a long tail of crypto check-outs—have already wired themselves into the standard, turning the protocol into a two-way bridge between Web2 ledgers and Web3 wallets.Not a Lone Gadget, but the Missing Plug in a...