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

# Overview

> Indexer Manager is a library for interacting with indexed data from Namespace smart contracts.

## Introduction

The Indexer Manager SDK is a lightweight TypeScript client for reading indexed data produced by Namespace smart contracts on Layer 2 networks. It provides simple, typed methods to read individual subnames, search and paginate subnames, and retrieve registry metadata.

## Supported chains

* Optimism — `10`
* Base — `8453`
* Base Sepolia — `84532`

## Next steps

* Install and configure the SDK: [Installation](/developer-guide/sdks/indexer-manager/installation)
* Read subnames: [Fetch L2 Subnames](/developer-guide/sdks/indexer-manager/fetch-l2-subnames)
* Read registry info: [Fetch L2 Registries](/developer-guide/sdks/indexer-manager/fetch-l2-registries)