> For the complete documentation index, see [llms.txt](https://docs.langsearch.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.langsearch.com/getting-started/overview.md).

# Overview

LangSearch offers two **Free APIs**: **Free Web Search API** and **Free Rerank API**, designed to connect your LLM applications  to the world, and access clean, accurate, high-quality context.

For individuals and small teams, we offer free access as we build AGI together.

## [**Free Web Search API ->**](/api/web-search-api.md)

Get enhanced search details from billions of web documents, including news, images, videos, and more.

* Hybrid search combining keywords and vectors for enhanced accuracy.
* Long-text summaries from raw content, with support for markdown formatting for improved readability.
* Perfect for individuals and small teams, offering free access as we build AGI together.

<figure><img src="/files/0IUVgWyr6NEFFpGZpI92" alt=""><figcaption></figcaption></figure>

## [**Free Semantic Rerank API ->**](/api/semantic-rerank-api.md)

Improve the accuracy of your search results with semantic reranking.

* Boosts any existing keyword or vector search system without requiring significant changes to your infrastructure.
* Provides a powerful semantic layer to refine results, ensuring higher relevance.

<figure><img src="/files/nQhVTM7cnugx8w062TMV" alt=""><figcaption></figcaption></figure>

## **Why LangSearch?**

LangSearch leverages a hybrid search database that combines the power of keyword and vector searches, using advanced **LangSearch Reranker** model to further enhance result accuracy. Whether you’re enhancing web search or optimizing reranking, LangSearch provides the tools to ensure your search systems yield more accurate, meaningful results.