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LangSmith

LangSmith is a full-lifecycle DevOps service from LangChain that provides monitoring and observability. To integrate with Langflow, just add your LangChain API key as a Langflow environment variable and you are good to go!

Step-by-step Configuration​

  1. Obtain your LangChain API key from https://smith.langchain.com
  2. Add the following keys to Langflow .env file:

LANGCHAIN_API_KEY="your-api-key"LANGCHAIN_PROJECT="your-project-name"

or export the environment variables in your terminal:

export LANGCHAIN_API_KEY="your-api-key"export LANGCHAIN_PROJECT="your-project-name"

  1. Restart Langflow using langflow run --env-file .env
  2. Run a project in Langflow.
  3. View the Langsmith dashboard for monitoring and observability.

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