# Docs by LangChain: LangSmith REST API

> Markdown index of the LangSmith REST API documentation.

## LangSmith REST API

- [Get onboarding state](https://docs.langchain.com/langsmith/smith-api/me/get-onboarding-state.md)
- [Create onboarding state](https://docs.langchain.com/langsmith/smith-api/me/create-onboarding-state.md)
- [Update onboarding state field](https://docs.langchain.com/langsmith/smith-api/me/update-onboarding-state-field.md)
- [Get ls user ID](https://docs.langchain.com/langsmith/smith-api/me/get-ls-user-id.md)
- [Get the authenticated user's provider user ID](https://docs.langchain.com/langsmith/smith-api/me/get-the-authenticated-users-provider-user-id.md)