Quickstart

OpenRouter provides a unified API that gives you access to hundreds of AI models through a single endpoint, while automatically handling fallbacks and selecting the most cost-effective options. Get started with just a few lines of code using your preferred SDK or framework.

In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards. For detailed information about app attribution, see our App Attribution guide.

Using the OpenRouter SDK (Beta)

First, install the SDK:

Then use it in your code:

Using the OpenRouter API directly

Using the OpenAI SDK

The API also supports streaming.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.