curl -X DELETE 'https://api.elevenlabs.io/v1/convai/knowledge-base/documentation-id?force=false' \
  -H "xi-api-key: $ELEVENLABS_API_KEY"

# DELETE /v1/convai/knowledge-base/{documentation_id} (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Delete Knowledge Base Document Or Folder

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X DELETE 'https://api.elevenlabs.io/v1/convai/knowledge-base/documentation-id?force=false' \
  -H "xi-api-key: $ELEVENLABS_API_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| documentation_id | path | string | Yes | The id of a document from the knowledge base. This is ret... |
| force | query | boolean | No | If set to true, the document or folder will be deleted re... |

## Response (200 OK)
{}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

DELETE

/v1/convai/knowledge-base/{documentation_id}

ElevenLabs API

Delete Knowledge Base Document Or Folder

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 201 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X DELETE 'https://api.elevenlabs.io/v1/convai/knowledge-base/documentation-id?force=false' \  -H "xi-api-key: $ELEVENLABS_API_KEY"

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
documentation_id	path	string	Yes	The id of a document from the knowledge base. This is returned on document addition.
force	query	boolean	No	If set to true, the document or folder will be deleted regardless of whether it is used by any agents and it will be removed from the dependent agents. For non-empty folders, this will also delete all child documents and folders.

Response 200 OK

{}