RT Blessing Adesiji (@bleso_a)Today, we launched Circle Agent Stack, and I want to explain the core problem this solves.AI agents can browse, reason, write code, call tools, and complete tasks. But they still struggle with one very basic thing: paying for services on the internet.Let’s say an agent needs to call a paid API.That sounds simple.But the normal internet payment flow is built for humans.- Create account.- Add card.- Choose plan.- Go through checkout.- Approve payment.- Wait for access.That works ...