> ## Documentation Index
> Fetch the complete documentation index at: https://docs.memorylake.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# 遗忘事实

> 将事实标记为已遗忘而不删除它

```
POST /openapi/memorylake/api/v3/workspaces/{workspaceId}/projects/{projectId}/memories/facts/{factId}/forget
```

将事实标记为已遗忘（已过期），而不永久删除它。该事实仍可用于审计目的，但会从未来的检索和搜索中排除。要一次遗忘多个事实，请使用[批量遗忘事实](/zh/features/memorylake/api-reference/facts/batch-forget-facts)。

<Note>
  **所需权限：** `project:mem_delete`
</Note>

### 路径参数

<ParamField path="workspaceId" type="string" required>
  工作空间 ID
</ParamField>

<ParamField path="projectId" type="string" required>
  项目 ID
</ParamField>

<ParamField path="factId" type="string" required>
  要遗忘的事实 ID
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X POST 'https://app.memorylake.ai/openapi/memorylake/api/v3/workspaces/ws_abc123def456/projects/proj_a1b2c3d4e5f6/memories/facts/fact_8f3a1b2c4d5e/forget' \
    -H 'Authorization: Bearer sk_xxxxxx'
  ```
</RequestExample>

### 响应

成功时返回空的 `data` 对象。

<ResponseExample>
  ```json Success (200) theme={null}
  {
    "success": true,
    "data": {}
  }
  ```
</ResponseExample>