# Expired token

Resolve expired token errors.

The `X-Token` has a valid format and signature, but its expiration date has passed.

Issue a new token from your backend and retry the request.

## Response

All error responses follow the [Problem Details (RFC 9457)](/reference/api/overview#errors) format. The `type`, `title`, `status`, and `detail` fields are always present, while `instance` may be omitted depending on the API.

Here is an example of the response returned for this error:

```json
{
  "type": "https://croct.help/api/authentication/expired-token",
  "title": "The token has expired.",
  "status": 401,
  "detail": "The provided token has expired and is no longer valid.",
  "instance": "/client/web/content"
}
```