> For the complete documentation index, see [llms.txt](https://docs.january.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.january.ai/client-sdks/react-native-sdk.md).

# React Native SDK

The January React Native SDK gives iOS and Android apps one TypeScript API for foods, restaurants, food analysis, voice capture, food, water, and weight logs, and glucose prediction.

* [Overview](/client-sdks/react-native-sdk/overview.md): what the SDK does and what it requires.
* [Getting started](/client-sdks/react-native-sdk/getting-started.md): install, authenticate, and make a first request.
* [Core concepts](/client-sdks/react-native-sdk/concepts.md): the client lifecycle, user identity and timezone, and food portions.
* [Guides](/client-sdks/react-native-sdk/guides.md): one page per feature.
* [Reference](/client-sdks/react-native-sdk/reference.md): methods, errors, models, platform details, and troubleshooting.