Promptoll: Multi AI Chat & API

Promptoll is the AI gateway for developers who use more than one model. Connect once and reach every major LLM — GPT-5.5, Claude, Gemini, DeepSeek and more — through a single OpenAI-compatible API. No new SDKs, no rewrites: point your existing OpenAI client at Promptoll and switch models with a single line. WHY PROMPTOLL • One API, every model. Drop-in OpenAI compatibility means your existing code just works. • One key for everything. Generate an API key and call any model — no separate accounts, no scattered billing. • Pay as you go. Top up a balance and pay only for what you use. No subscriptions, no minimums. • Full cost transparency. Every request is logged with model, token count, latency and exact spend. • Smart routing. Optionally let the gateway auto-route to the cheapest equivalent model and cut your bill. IN THE APP • Dashboard — your balance, request volume, token usage and…