2fa2a43f96* port unrelated changes from IA PR * few more ports * fix build * edit to try to restart build
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1.1 KiB
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27 lines
No EOL
1.1 KiB
Text
---
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title: LangSmith
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slug: /integrations-langsmith
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---
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LangSmith is a full-lifecycle DevOps service from LangChain that provides monitoring and observability. To integrate with Langflow, add your LangChain API key and configuration as Langflow environment variables, and then start Langflow.
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1. Obtain your LangChain API key from [https://smith.langchain.com](https://smith.langchain.com/)
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2. Add the following keys to the Langflow .env file.
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Replace `LANGCHAIN_API_KEY` and `LANGSMITH_PROJECT_NAME` with your LangChain API key.
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```text
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LANGSMITH_TRACING=true
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LANGSMITH_ENDPOINT=https://api.smith.langchain.com/
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LANGSMITH_API_KEY=LANGCHAIN_API_KEY
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LANGSMITH_PROJECT=LANGSMITH_PROJECT_NAME
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```
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Alternatively, export the environment variables in your terminal:
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`export LANGSMITH_TRACING=true && export LANGSMITH_ENDPOINT="https://api.smith.langchain.com/" && export LANGSMITH_API_KEY="LANGCHAIN_API_KEY" && export LANGSMITH_PROJECT="LANGSMITH_PROJECT_NAME"`
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3. Restart Langflow using `langflow run --env-file .env`
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4. Run a project in Langflow.
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5. View the LangSmith dashboard for monitoring and observability.
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