# ModelInvalidRequestError

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/exceptions/ModelInvalidRequestError)

Exception raised when a provider rejects a request as invalid (e.g. HTTP 400).

## Signature

```python
ModelInvalidRequestError()
```

## Extends

- `ModelError`

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/04ac76c07ec173a44e3e57de54861d0b637e3299/libs/core/langchain_core/exceptions.py#L91)