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

# Create folder

> Creates a new folder in a workspace.

<Info>Requires the `folders:write` scope. Viewers cannot create folders.</Info>

## Request body

<ParamField body="workspace_id" type="string" required>
  Numeric ID of the workspace to create the folder in.
</ParamField>

<ParamField body="name" type="string" required>
  Folder name.
</ParamField>

<ParamField body="icon" type="string">
  Optional icon identifier slug (e.g., `"folder-1"`, `"folder-2"`, `"chart"`).
</ParamField>

<ParamField body="color" type="string">
  Optional color label. Defaults to `"blue"` if not provided.
</ParamField>

## Response

Returns the created folder. The `position` is automatically assigned as one greater than the current maximum position in the workspace.

<ResponseField name="id" type="number" required>
  New folder identifier.
</ResponseField>

<ResponseField name="workspace_id" type="number" required>
  Workspace this folder belongs to.
</ResponseField>

<ResponseField name="name" type="string" required>
  Folder name.
</ResponseField>

<ResponseField name="icon" type="string | null">
  Icon. `null` if not provided.
</ResponseField>

<ResponseField name="color" type="string | null">
  Color. Defaults to `"blue"`.
</ResponseField>

<ResponseField name="position" type="number" required>
  Auto-assigned sort position.
</ResponseField>

<ResponseField name="created_at" type="string" required>
  UTC ISO-8601 creation timestamp.
</ResponseField>

<ResponseExample>
  ```json 201 theme={null}
  {
    "id": 15,
    "workspace_id": 3,
    "name": "Design",
    "icon": "folder-2",
    "color": "purple",
    "position": 3,
    "created_at": "2026-03-18T10:00:00.000Z"
  }
  ```

  ```json 400 theme={null}
  {
    "error": "name is required"
  }
  ```

  ```json 401 theme={null}
  {
    "error": "Invalid API key"
  }
  ```

  ```json 403 theme={null}
  {
    "error": "Scope 'folders:write' is required for this endpoint"
  }
  ```

  ```json 404 theme={null}
  {
    "error": "Workspace not found"
  }
  ```
</ResponseExample>