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

# Introduction

> Smile's developer platform enables you to create custom loyalty solutions that meet the needs of merchants, regardless of industry or specialization.

<Columns cols={3}>
  <Card title="Concepts & fundamentals" icon="graduation-cap" href="/guides/fundamentals" arrow="true">
    Learn the core concepts and building blocks of Smile's loyalty program system.
  </Card>

  <Card title="Common use cases" icon="rocket" href="/guides/use-cases/common" arrow="true">
    Explore common implementation patterns and real-world examples to jump-start development.
  </Card>

  <Card title="Integrate with Smile" icon="code" href="/guides/apps/integrate" arrow="true">
    Create custom integrations and apps that extend Smile's functionality.
  </Card>
</Columns>