# Docs by LangChain: LangSmith REST API

> Markdown index of the LangSmith REST API documentation.

## LangSmith REST API

- [Get tags](https://docs.langchain.com/langsmith/smith-api/tags/get-tags.md)
- [Create tag](https://docs.langchain.com/langsmith/smith-api/tags/create-tag.md)
- [Get tag](https://docs.langchain.com/langsmith/smith-api/tags/get-tag.md)
- [Update tag](https://docs.langchain.com/langsmith/smith-api/tags/update-tag.md)
- [Delete tag](https://docs.langchain.com/langsmith/smith-api/tags/delete-tag.md)