# Deletes a single Knowledge Base Entry using the `id` field
**DELETE /api/security_ai_assistant/knowledge_base/entries/{id}**
**Spaces method and path for this operation:**
delete /s/{space_id}/api/security_ai_assistant/knowledge_base/entries/{id}
Refer to [Spaces](https://www.elastic.co/docs/deploy-manage/manage-spaces) for more information.
Delete a Knowledge Base Entry by its unique `id`.
## Servers
- https://: https:// ()
## Authentication methods
- Api key auth
## Parameters
### Path parameters
- **id** (string(nonempty))
The unique identifier (`id`) of the Knowledge Base Entry to delete.
## Responses
### 200
Successful request returning the `id` of the deleted Knowledge Base Entry.
#### Body: application/json (object)
- **id** (string(nonempty))
A string that does not contain only whitespace characters.
### 400
Bad Request response.
#### Body: application/json (object)
- **error** (string)
Error type or category.
- **message** (string)
Detailed error message.
- **statusCode** (number)
HTTP status code of the error.
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