AI agents with credit cards Agents that book, buy and pay are here. We look at the virtual card infrastructure letting software spend money safely, and the fraud models that have to keep up. AI agents with credit cards When the buyer is a piece of software, every assumption in the payments stack changes. - Single-use virtual cards with spend rules - Merchant-locked credentials - Who is liable when the agent gets it wrong "The agent does not get tired, which is exactly what makes it dangerous."