The LangSmith API is used to programmatically create and manage LangSmith resources. ## Host http://localhost:1984 ## Authentication To authenticate with the LangSmith API, set the `X-Api-Key` header to a valid [LangSmith API key](https://docs.langchain.com/langsmith/create-account-api-key#create-an-api-key).

The LangSmith API is used to programmatically create and manage LangSmith resources. ## Host http://localhost:1984 ## Authentication To authenticate with the LangSmith API, set the `X-Api-Key` header to a valid [LangSmith API ...