# You

> **Class** in `langchain_community`

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

Wrapper around You.com's conversational Smart and Research APIs.

Each API endpoint is designed to generate conversational
responses to a variety of query types, including inline citations
and web results when relevant.

Smart Endpoint:
- Quick, reliable answers for a variety of questions
- Cites the entire web page URL

Research Endpoint:
- In-depth answers with extensive citations for a variety of questions
- Cites the specific web page snippet relevant to the claim

To connect to the You.com api requires an API key which
you can get at https://api.you.com.

For more information, check out the documentations at
https://documentation.you.com/api-reference/.

## Signature

```python
You()
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `endpoint` | `unknown` | Yes | You.com conversational endpoints. Choose from "smart" or "research" |
| `ydc_api_key` | `unknown` | Yes | You.com API key, if `YDC_API_KEY` is not set in the environment |

## Extends

- `LLM`

## Properties

- `endpoint`
- `ydc_api_key`

---

[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/d5ea8358933260ad48dd31f7f8076555c7b4885a/libs/community/langchain_community/llms/you.py#L59)