> 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: "Apply deduplication"
description: "Remove duplicate draft items identified by a preview."
method: "POST"
endpoint: "/api/v1/projects/:projectId/datasets/:id/dedup/apply"
order: 14
group: "Deduplication"
last_verified: 2026-07-27
---



`POST /api/v1/projects/:projectId/datasets/:id/dedup/apply`

Remove duplicate draft items identified by a preview.


  #### Body parameters
  - `remove_item_ids` _array_ **required** — Item UUIDs to remove.
  - `keep_strategy` _string_ — Which duplicate to keep when not explicitly listed, e.g. newest.