# Docs by LangChain: LangSmith REST API > Markdown index of the LangSmith REST API documentation. ## LangSmith REST API - [List repo owners](https://docs.langchain.com/langsmith/smith-api/ownerships/list-repo-owners.md) - [Add repo owner](https://docs.langchain.com/langsmith/smith-api/ownerships/add-repo-owner.md) - [Remove repo owner](https://docs.langchain.com/langsmith/smith-api/ownerships/remove-repo-owner.md)