From 11547e1990290a2ae018975798c71c616a8e0021 Mon Sep 17 00:00:00 2001 From: Andrew Nguonly Date: Wed, 23 Jul 2025 11:39:39 -0700 Subject: [PATCH] docs: Add more clarification about the LangSmith API key for LangGraph Platform deployments (#5635) --- docs/docs/concepts/langgraph_control_plane.md | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/docs/docs/concepts/langgraph_control_plane.md b/docs/docs/concepts/langgraph_control_plane.md index 006a57df9..e689a1a79 100644 --- a/docs/docs/concepts/langgraph_control_plane.md +++ b/docs/docs/concepts/langgraph_control_plane.md @@ -119,6 +119,11 @@ These metrics are displayed as charts in the Control Plane UI. ### LangSmith Integration -A [LangSmith](https://docs.smith.langchain.com/) tracing project is automatically created for each deployment. The tracing project has the same name as the deployment. When creating a deployment, the `LANGCHAIN_TRACING` and `LANGSMITH_API_KEY`/`LANGCHAIN_API_KEY` environment variables do not need to be specified; they are set automatically by the control plane. +A [LangSmith](https://docs.smith.langchain.com/) tracing project and LangSmith API key are automatically created for each deployment. The deployment uses the API key to automatically send traces to LangSmith. -When a deployment is deleted, the traces and the tracing project are not deleted. +- The tracing project has the same name as the deployment. +- The API key has the description `LangGraph Platform: `. +- The API key is never revealed and cannot be deleted manually. +- When creating a deployment, the `LANGCHAIN_TRACING` and `LANGSMITH_API_KEY`/`LANGCHAIN_API_KEY` environment variables do not need to be specified; they are set automatically by the control plane. + +When a deployment is deleted, the traces and the tracing project are not deleted. However, the API will be deleted when the deployment is deleted.