One balance for GPT, Claude, Gemini, DeepSeek and more. Pay-as-you-go, metered by token, no subscription and no monthly minimum. Top up any amount and start.
Sylor API is a unified, OpenAI-compatible gateway. Instead of managing separate subscriptions and minimums for each provider, you keep one balance and are billed per token in real time — accurate to every request, with no hidden fees.
Metered by token. No subscription, no monthly commitment — spend exactly what you use.
The same top-up works across GPT, Claude, Gemini, DeepSeek, GLM and more.
Start small. Add more whenever you need it — your balance never expires.
Switch models by changing one parameter. Keep your existing OpenAI code.
👉 Live per-model prices (input / output per 1M tokens) are always visible in your dashboard after you sign in. Prices update automatically as providers release new models.
Pay-as-you-go, metered by token. Top up any amount and pay only for what you use across all models. No subscription, no monthly minimum. Live per-model prices are in your dashboard.
You use one shared balance across GPT, Claude, Gemini and more — no separate subscriptions or per-provider minimums — and only pay for tokens you actually use. For many users that is more cost-efficient than several provider accounts.
Registration is free. You only pay when you top up and make requests, so you can create an account and start with a small top-up.
Register, top up any amount, and call GPT, Claude, Gemini and more through a single OpenAI-compatible endpoint.