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

# Introduction

> Handcash Developer Tools - v3 SDK, Items, Business Wallet, and Wallet Infrastructure

## Handcash Developer Tools

Integrate Handcash into your applications. **`@handcash/sdk`** covers **Connect** (auth, payments, items). **Wallet API** (embedded wallets) uses REST `/v1/waas/*` — see [Wallet API getting started](/wallet-api/getting-started).

<CardGroup cols={3}>
  <Card title="v3 SDK" icon="rocket" href="/v3/getting-started">
    Authentication, Payments, Items, Business Tools
  </Card>

  <Card title="Wallet API" icon="gear" href="/wallet-api/getting-started">
    Build native wallet infrastructure into your application
  </Card>

  <Card title="Developer Dashboard" icon="screwdriver-wrench" href="/developer-dashboard">
    Set up your development environment
  </Card>
</CardGroup>

## Quick Start

```bash theme={null}
npm install @handcash/sdk
```

```typescript theme={null}
import { getInstance, Connect } from '@handcash/sdk';

const sdk = getInstance({
  appId: 'your-app-id',
  appSecret: 'your-app-secret'
});
```