One OpenAI-compatible API. Every frontier model. Cheaper.
One OpenAI-compatible /v1 endpoint for Claude, GPT, Gemini, DeepSeek and 20+ frontier models. Drop-in replacement for OpenAI SDK.
| API base URL | https://api.apisrouter.com/v1 |
|---|---|
| Interface | OpenAI-compatible /v1 |
| Billing | Pay as you go |
Start with one Base URL
Most tools only need a Base URL, API key and model ID. Put https://api.apisrouter.com/v1 in the Base URL field.
FAQ
What Base URL should I use?
Use https://api.apisrouter.com/v1. Do not paste endpoint paths into the Base URL field.
Can one APIsRouter key call multiple models?
Yes. One key can route to available Claude, GPT, Gemini, DeepSeek, Kimi, Qwen, GLM, Grok and image models.