“Can an agent pay?” is the easy part. Can it know the price, decide if the work is worth it, and walk away before anything runs? That’s a UX problem x402 needs to solve. We wrote about why the quote - not the checkout is the important primitive: testril.ai/blog/x402-as-agen…

AI agents that query an API end up paying twice. Once to load the rows into context, once to reason over them. We put a number on it: 31x more tokens than returning the answer. How we measured it, and what a data source should send instead: testril.ai/blog/why-ai-agent…