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

# invalid_credential

> Credential is invalid or expired. HTTP 401.

|           |                                                              |
| --------- | ------------------------------------------------------------ |
| HTTP      | `401`                                                        |
| `code`    | `invalid_credential`                                         |
| `type`    | `https://docs.cortex.foundation/problems/invalid_credential` |
| Retryable | no                                                           |

The sign-in was well-formed but is expired, revoked, or no longer valid. Sign in again from the app.

```json theme={null}
{
  "type": "https://docs.cortex.foundation/problems/invalid_credential",
  "title": "Credential is invalid or expired",
  "status": 401,
  "code": "invalid_credential",
  "request_id": "req_…"
}
```

## Related

* [Errors](/reference/errors) - how to branch on `code`, and what not to render from `detail`.
* [Problem catalog](/problems) - every code, its status, and whether retrying helps.
* [Troubleshooting](/getting-started/troubleshooting) - what a message in the product means.