"AI agents are starting to execute more sophisticated tasks, such as identifying vendors that can deliver freight, comparing prices, and messaging the vendor to organizing a delivery. But when it comes to making a payment for the shipment, they still need to involve a human. One new startup, Natural, is redesigning the whole system from the ground up. And it now has $30 million in fresh capital to pursue an ambitious plan that will put it in direct competition with giants like Stripe."