One Key, One Bill, One Shape: The Accidental Superpower of Passthru Endpoints
Enterprises spent $12.5 billion on foundation model APIs in 2025 — a market that grew on a purchase pattern so standard nobody thinks about it: sign up, get a key, fund a balance, pay per call. Data APIs never converged on anything like it. We built Passthru Endpoints so sellers could list an API they already had. What we actually built was the missing standard.