# APIError

> **Class** in `langsmith`

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

## Signature

```python
APIError(
    self,
    message: str,
    request: httpx.Request,
    *,
    body: object | None,
)
```

## Extends

- `LangsmithError`

## Constructors

```python
__init__(
    self,
    message: str,
    request: httpx.Request,
    *,
    body: object | None,
) -> None
```

| Name | Type |
|------|------|
| `message` | `str` |
| `request` | `httpx.Request` |
| `body` | `object \| None` |


## Properties

- `message`
- `request`
- `body`

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/d6cd6082f09e7826a2d6afe444ae6119e61b82a6/python/langsmith/_openapi_client/_exceptions.py#L25)