[How to upload experiments run outside of LangSmith with the REST API | 🦜️🛠️ LangSmith](https://docs.smith.langchain.com/evaluation/how_to_guides/upload_existing_experiments): LLM should read this page when needing to upload experiments to LangSmith that were run outside the platform or when integrating external evaluation systems with LangSmith's visualization capabilities. This page explains how to use the REST API to upload externally-run experiments to LangSmith, including the request body schema, key considerations for dataset management, a working Python example using the requests library, and instructions for viewing uploaded experiments in the LangSmith UI.

