# AviaryBackend

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/llms/aviary/AviaryBackend)

Aviary backend.

## Signature

```python
AviaryBackend(
    self,
    backend_url: str,
    bearer: str,
)
```

## Constructors

```python
__init__(
    self,
    backend_url: str,
    bearer: str,
) -> None
```

| Name | Type |
|------|------|
| `backend_url` | `str` |
| `bearer` | `str` |


## Properties

- `backend_url`
- `bearer`

## Methods

- [`from_env()`](https://reference.langchain.com/python/langchain-community/llms/aviary/AviaryBackend/from_env)

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[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/4b280287bd55b99b44db2dd849f02d66c89534d5/libs/community/langchain_community/llms/aviary.py#L16)