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Documentation Index

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The You.com API provides real-time web search designed for LLM and RAG applications.

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Overview

This will help you get started with the YouRetriever retrieval. For web search tools built on the dedicated LangChain integration package, see You.com search tools.

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Integration details

RetrieverSourcePackage
YouRetrieverReal-time web search@langchain/community

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Setup

Set your You.com API key. Get your API key at you.com/platform. 
process.env.YDC_API_KEY = "your-api-key";
If you want automated tracing from individual queries, set your LangSmith API key: 
// process.env.LANGSMITH_API_KEY = "<YOUR API KEY HERE>";
// process.env.LANGSMITH_TRACING = "true";

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Installation

This retriever lives in the @langchain/community package: 
npm install @langchain/community @langchain/core

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Instantiation

import { YouRetriever } from "@langchain/community/retrievers/you";

const retriever = new YouRetriever({ k: 5 });

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Usage

const query = "latest AI developments";

const docs = await retriever.invoke(query);

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API reference

For more details, see the You.com API documentation.
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