Developers do not need another “best AI API provider” list. Most lists collapse into the same problem: a few affiliate links, some vague pricing claims, and no clear way to verify whether a provider actually supports the model, Base URL pattern, payment method, or billing behavior a real project needs. So I built a more boring thing: an AI API directory. Not a leaderboard. Not a recommendation engine. A structured directory of observed facts. The idea is simple: before wiring a third-party AI API provider into Codex, Cursor, Claude Code, or your own app, you should be able to compare a few concrete fields: supported providers and models OpenAI-compatible or Anthropic-compatible API behavior custom Base URL support pricing notes payment methods invoice support referral or recharge rules public verification sources traffic and domain signals when available The important shift is this: “Compatible with OpenAI” describes an API shape. It does not describe trust, uptime, pricing, ownership, or support quality.…