> ## Documentation Index
> Fetch the complete documentation index at: https://langchain.idochub.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Dappier

[Dappier](https://dappier.com) connects any LLM or your Agentic AI to
real-time, rights-cleared, proprietary data from trusted sources,
making your AI an expert in anything. Our specialized models include
Real-Time Web Search, News, Sports, Financial Stock Market Data,
Crypto Data, and exclusive content from premium publishers. Explore a
wide range of data models in our marketplace at
[marketplace.dappier.com](https://marketplace.dappier.com).

[Dappier](https://dappier.com) delivers enriched, prompt-ready, and
contextually relevant data strings, optimized for seamless integration
with LangChain. Whether you're building conversational AI, recommendation
engines, or intelligent search, Dappier's LLM-agnostic RAG models ensure
your AI has access to verified, up-to-date data—without the complexity of
building and managing your own retrieval pipeline.

## Installation and Setup

Install `langchain-dappier` and set environment variable
`DAPPIER_API_KEY`.

<CodeGroup>
  ```bash pip theme={null}
  pip install -U langchain-dappier
  export DAPPIER_API_KEY="your-api-key"
  ```

  ```bash uv theme={null}
  uv add langchain-dappier
  export DAPPIER_API_KEY="your-api-key"
  ```
</CodeGroup>

We also need to set our Dappier API credentials, which can be generated at
the [Dappier site.](https://platform.dappier.com/profile/api-keys).

We can find the supported data models by heading over to the
[Dappier marketplace.](https://platform.dappier.com/marketplace)

## Chat models

See a [usage example](/oss/python/integrations/chat/dappier).

```python theme={null}
from langchain_community.chat_models import ChatDappierAI
```

## Retriever

See a [usage example](/oss/python/integrations/retrievers/dappier).

```python theme={null}
from langchain_dappier import DappierRetriever
```

## Tool

See a [usage example](/oss/python/integrations/tools/dappier).

```python theme={null}
from langchain_dappier import (
    DappierRealTimeSearchTool,
    DappierAIRecommendationTool
)
```