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

# Introduction

> Guides and best practices for integrating with our API

Welcome to our documentation. Here you'll find guides, best practices, and everything you need to build a robust integration with our platform.

We provide two API environments ([Sandbox and Live](/docs/environments)) so you can build and test before going to production.

<CardGroup cols={2}>
  <Card title="Environments" icon="layer-group" href="/docs/environments">
    Sandbox and Live URLs, credentials, and behavioral differences.
  </Card>

  <Card title="Onboarding" icon="user-plus" href="/docs/onboarding/overview">
    Build persons, collect claims, and submit onboarding applications.
  </Card>

  <Card title="Orders" icon="arrow-right-arrow-left" href="/docs/orders/overview">
    Place buy and sell orders and track them through to fill or cancellation.
  </Card>

  <Card title="Webhooks" icon="bell" href="/docs/webhooks/overview">
    Receive real-time event notifications and handle them reliably.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/auth">
    Explore the full API with authentication, endpoints, and schemas.
  </Card>
</CardGroup>