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

# Overview

Our Javascript SDK allows you to **integrate Kana client-side** with your product. It offers you the ability to understand a user's access to your features and their current subscriptions to plans - perfect for paywalling, subscription and billing-based use-cases.

## Authentication

You'll need to fetch a `userToken` and provide this when initializing the Kana JS Client instance in order for calls to be successfully made. We have a handy guide which goes into further detail on how to obtain and provide this.

<Card title="Authorization (Frontend)" icon="user-lock" href="/client-sdk-frontend/authorization-frontend" />

## API Reference

Our Javascript SDK Reference details all available [methods](/reference/client-sdk-frontend-reference#methods) which can be called to access the information vital to your front-end monetization flows.

<Card title="Client SDK (Frontend) Reference" icon="toolbox" href="/reference/client-sdk-frontend-reference" />