Standard
Visa's protocol for authenticating and authorising AI agents at the transaction level, defining how an agent proves who it is and what it is permitted to do.
Meta, Walmart and AI startup Sierra are working on universal standards for AI agents used across business systems. The only account of how it would work comes from a Futurum analyst, who says it holds only if OpenAI and Anthropic adopt it.
Reality
Each of the three spent the past year shipping its own agent payment protocol. Know Your Agent reconciles those stacks rather than building a new one, and none of them has said who pays when an agent buys the wrong thing.
Perspective Coverage
4 publishersReality
Three payment firms say they have started on a shared way to identify AI agents that pay. Each already ships a protocol covering part of the job. The authorization schema an agent builder would implement is still unwritten.
Reality
The engineering post behind Meta's new personal agent assumes the thing will be attacked through the mail it reads, and the bounty schedule says what one compromised user is worth. It does not say how often the model is fooled.
Reality
The Sao Paulo framework promises that an agent registered with one network will be recognized by the others, with certification and continuous monitoring attached. No specification, governance body or timeline has been published.
Reality