> ## Documentation Index
> Fetch the complete documentation index at: https://cortex-foundation-add13747-droid-2a5c5e50-docs-ferndesk-pro.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# unauthenticated

> Authentication required. HTTP 401.

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

No sign-in was presented, or it was malformed. Using Chat without an account is still allowed; member-only product (Code, Bot, plugins) answers `entitlement_required`, not this.

```json theme={null}
{
  "type": "https://docs.cortex.foundation/problems/unauthenticated",
  "title": "Authentication required",
  "status": 401,
  "code": "unauthenticated",
  "request_id": "req_…"
}
```

## Related

* [Errors](/api/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.