Big brands are starting to block AI agents

Greg Isenberg (@gregisenberg) pointed out that Delta, Chase and Amazon are blocking AI agents from their sites, and sketched how this probably plays out: blocking first, then an arms race, then a market where companies compete for agents with better prices, faster checkout and SEO built for agents. Reporting backs up the trend: Delta says it has no deal letting third-party AI agents book on its platforms, Amazon has blocked some AI shopping agents, and banks are restricting agents from customer accounts. The stages are his prediction, not a fact.

Why it mattersIf your customers start sending agents to buy, book or compare for them, decide now whether your site welcomes them. And if you rely on agents to work on third-party sites, expect some of those flows to break.

How we knowCompany figures are labelled as their own claims; anything we couldn't verify is labelled as a report or a claim.