AI products are going to have to deal with accounting. An agent performs some work. It uses some models and perhaps some other metered services. Someone has to meter that activity. They have to attribute costs, apply the product's pricing rules, bill the customer, collect, reconcile with vendors, and maintain the ledger.

Stripe can use OpenRouter to build the financial and accounting infrastructure for every product that sells metered AI work.

I think the analogy is ADP. Payroll for all the work that's going to be done by AI agents.