# The Backend SignInToken object

The Backend `SignInToken` object holds information about a sign-in token.

## Properties

| Property                           | Type     | Description                                         |
| ---------------------------------- | -------- | --------------------------------------------------- |
| <a id="createdat"></a> `createdAt` | `number` | The Unix timestamp when the token was created.      |
| <a id="id"></a> `id`               | `string` | The unique identifier for the token.                |
| <a id="status"></a> `status`       | `string` | The status of the token.                            |
| <a id="token"></a> `token`         | `string` | The token itself.                                   |
| <a id="updatedat"></a> `updatedAt` | `number` | The Unix timestamp when the token was last updated. |
| <a id="url"></a> `url`             | `string` | The URL the token is for.                           |
| <a id="userid"></a> `userId`       | `string` | The ID of the user the token is for.                |

---

## Sitemap

[Overview of all docs pages](https://clerk.com/docs/llms.txt)