Cheaper GPT API for apps and agents

Use GPT models through APIsRouter with one OpenAI-compatible Base URL, request logs and pay-as-you-go billing.

API base URLhttps://api.apisrouter.com/v1
InterfaceOpenAI-compatible /v1
BillingPay 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.