---
title: "Delete a knowledge store item collection"
method: DELETE
path: "/knowledge-stores/{knowledge_store_id}/item-collections/{collection_id}"
tags: ["knowledgeStoreItemCollections"]
---

# Delete a knowledge store item collection

`DELETE /knowledge-stores/{knowledge_store_id}/item-collections/{collection_id}`

Deletes the specified item collection. The items themselves remain in the knowledge store.

## Path parameters

- `knowledge_store_id` string, required
- `collection_id` string, required

## Response `200`

Successful response

## Other responses

- `400` — The request has failed.

## Changes

- **2026-09-17** `b8591e05c0ba` — 1 warning, 1 info
  - deleted the `header` request parameter `x-api-key`
  - the endpoint scheme security `x-api-key` was added to the API
- **2026-09-12** `6205c7327cde` — 1 info
  - api operation id `delete` removed and replaced with `knowledgeStoreItemCollections_delete`
- **2026-07-31** `5dbd6e8473c9` — 1 warning
  - removed the optional property `docs_url` from the response with the `400` status
- **2026-07-26** `c0926990c662` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/twelvelabs/apis/twelvelabs-api/changes/knowledge-stores/:knowledge_store_id/item-collections/:collection_id/delete.md)

---

[API](https://skmtc.dev/twelvelabs/apis/twelvelabs-api.md) · [All operations](https://skmtc.dev/twelvelabs/apis/twelvelabs-api/llms.txt) · [OpenAPI document](https://skmtc.dev/twelvelabs/apis/twelvelabs-api/revisions/b8591e05c0ba?raw)