# AuthenticationError

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/_exceptions/AuthenticationError)

## Signature

```python
AuthenticationError(
    self,
    message: str,
    *,
    response: httpx.Response,
    body: object | None,
)
```

## Extends

- `APIStatusError`

## Properties

- `status_code`

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/d6cd6082f09e7826a2d6afe444ae6119e61b82a6/python/langsmith/_openapi_client/_exceptions.py#L83)