Every SaaS Is Now an API — Like It or Not: How a 6-Person Team Replaced 100+ People's Back Office

Fintool founder Nicolas Bustamante shares how he runs an entire company through Agent + API integrations (Brex, QuickBooks, HubSpot, Stripe) with just 6 people—handling more than he did with 100+. He introduces the B2A (Business to Agent) concept and warns that SaaS without good APIs will be bypassed by agents through WebMCP or browser automation.