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

# Introduction

Upstash Redis Search is our first extension beyond the official Redis spec. Using the Rust-based Tantivy under the hood, we provide an extremely fast way to search through Redis data.

<Frame>
  <img src="https://mintcdn.com/upstash/iYJk6x40s4IZMyZI/img/redis-search/redis-search-cover.png?fit=max&auto=format&n=iYJk6x40s4IZMyZI&q=85&s=2e95d4ef72fdf97dce1cac8bd8eebd00" width="5760" height="3240" data-path="img/redis-search/redis-search-cover.png" />
</Frame>

* **Easy Integration**: Works with JSON, Hashes and Strings out of the box
* **Auto-Synchronization**: Once you created an index, all write operations are automatically tracked
* **Intuitive Query Language**: A type-safe JSON-based query syntax with boolean operators, fuzzy matching, phrase queries,
  regex support, and more.
* **Production-Ready Performance**: Built on Tantivy, a fast full-text search engine library written in Rust