GenLayer Labs warns AI agent payments on x402 have no way to dispute a charge

Albert Castellana argues the fast-growing standard for agent payments needs an adjudication layer before it can handle bigger transactions AI agents can now pay for things on the internet in seconds, with no human clicking “confirm.” There is one catch: if the agent pays for the wrong thing, nobody can get the money back. That is the warning from Albert Castellana, co-founder of GenLayer Labs. He argues that x402, the payment standard AI agents use to buy services online, was built for speed and has no way to contest a charge. The timing matters, because the largest card networks now sit in the top governance tier of x402. The people who invented the chargeback are now helping steer a system that has none. A payment rail with no undo button The x402 standard lets AI agents settle payments through HTTP 402 responses, using stablecoins like USDC. Coinbase is among the major players that established it. The pitch is simple: machines paying machines, without the friction of traditional checkout flows. The problem shows up when the machine hands over the wrong snack. Once an x402 payment settles, the standard has no built-in mechanism for refunds or disputes. If the agent receives somet...