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

# Quick Start

> Start building integrations with the Lucca API

Prefer to learn by doing? The easiest way to get started with the Lucca API is with our [playground](../playground).

<Card title="Learn how to use the playground" href="../playground" icon="futbol">
  Read a quick guide about how to use the HoppScotch playground to test out the Lucca API.
</Card>

If you'd rather read about the features of the Lucca API first, then here are some must-read articles.

<CardGroup cols="1">
  <Card title="Learn how to authenticate to the Lucca API" href="../using-api/authentication" icon="key">
    Declare your client application, then generate access tokens.
  </Card>

  <Card title="Make sure you pick an API version" href="../using-api/versioning" icon="code-branch">
    Each HTTP request must target an API version in the `Api-Version` HTTP header.
  </Card>

  <Card title="Create a sandbox environment" href="../sandbox" icon="cube">
    You wouldn't want to test your integration on production data, now, would you?
  </Card>

  <Card title="Browse our guides on common use-cases…" href="../../guides" icon="book">
    There may already be a guide that gives you pointers about how to achieve what you want.
  </Card>

  <Card title="… or browse the API reference" href="../../api-reference" icon="book">
    Find the API endpoint you're interested in and learn what you can do with it.
  </Card>

  <Card title="Want to be notified of changes? Read about webhooks." href="../webhooks" icon="bolt">
    You don't want to poll the API to get updates? Deploy a webhook endpoint and subscribe the Lucca API events.
  </Card>
</CardGroup>