> For the complete documentation index, see [llms.txt](/llms.txt).
> A full single-fetch corpus is available at [llms-full.txt](/llms-full.txt).
---
title: "Compare versions"
description: "Compare two published versions and see what items were added, removed, or changed."
method: "POST"
endpoint: "/api/v1/projects/:projectId/datasets/:id/versions/compare"
order: 6
group: "Versions"
last_verified: 2026-07-27
---



`POST /api/v1/projects/:projectId/datasets/:id/versions/compare`

Compare two published versions and see what items were added, removed, or changed.


  #### Body parameters
  - `base_version_id` _string_ **required** — The version to compare from.
  - `compare_version_id` _string_ **required** — The version to compare to.