# Docs by LangChain: LangSmith REST API

> Markdown index of the LangSmith REST API documentation.

## LangSmith REST API

- [List tenants](https://docs.langchain.com/langsmith/smith-api/tenant/list-tenants.md)
- [Create tenant](https://docs.langchain.com/langsmith/smith-api/tenant/create-tenant.md)