> ## Documentation Index > Fetch the complete documentation index at: https://docs.voiceflow.com/llms.txt > Use this file to discover all available pages before exploring further. # Insights overview > Score conversations against criteria you define, so agent quality becomes a number you can track over time instead of a sample you skim. An evaluation is a set of criteria you define and then run against conversations that already happened. It turns "is the agent doing a good job" into a score you can watch over time, rather than a handful of transcripts somebody read on a Friday. ## Endpoints ### Evaluation | Endpoint | Description | | -------------------------------------------------------------------------------------------------------------- | ----------------------------------- | | GET [List evaluations](/api-reference/evaluation/list-evaluations) | List all evaluations by project ID. | | POST [Create evaluation](/api-reference/evaluation/create-evaluation) | Create a new evaluation. | | GET [Get evaluation](/api-reference/evaluation/get-evaluation) | Get an evaluation by ID. | | PATCH [Update evaluation](/api-reference/evaluation/update-evaluation) | Update an evaluation by ID. | | DELETE [Delete evaluation](/api-reference/evaluation/delete-evaluation) | Delete an evaluation by ID. | | POST [Run evaluation](/api-reference/evaluation/run-evaluation) | Run an evaluation. |