# VolcengineRerank

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/document_compressors/volcengine_rerank/VolcengineRerank)

Document compressor that uses `Volcengine Rerank API`.

## Signature

```python
VolcengineRerank()
```

## Extends

- `BaseDocumentCompressor`

## Properties

- `client`
- `ak`
- `sk`
- `region`
- `host`
- `top_n`
- `model_config`

## Methods

- [`validate_environment()`](https://reference.langchain.com/python/langchain-community/document_compressors/volcengine_rerank/VolcengineRerank/validate_environment)
- [`rerank()`](https://reference.langchain.com/python/langchain-community/document_compressors/volcengine_rerank/VolcengineRerank/rerank)
- [`compress_documents()`](https://reference.langchain.com/python/langchain-community/document_compressors/volcengine_rerank/VolcengineRerank/compress_documents)

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[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/a6a6079511ac8a5c1293337f88096b8641562e77/libs/community/langchain_community/document_compressors/volcengine_rerank.py#L12)