# Welcome

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**Switch started to enforce Token Quotas from 2025-12-01. Read more** [**here**](https://developer.switchmarket.se/announcements/auth-token-quotas)**.**
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This documentation provides all the information needed for you to start using the **Switch API** and start building your own integration**.**

You can find the user documentation of the Switch app [here](https://app.gitbook.com/s/xHmOGDkAnO3TxZLJbQRx/).

## Getting Started

Head to Concepts or Guides in our Getting Started section to learn how to start using the Switch API.

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Concepts</strong></td><td></td><td>Learn about Switch specific concepts</td><td><a href="getting-started/concepts">concepts</a></td></tr><tr><td><strong>Guides</strong></td><td></td><td>A list of guides to help you get started</td><td><a href="getting-started/guides">guides</a></td></tr></tbody></table>

## Explore

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Switchmarket API</strong></td><td></td><td>Explore the documentation and API references to help you use our API</td><td><a href="switch-api/overview">overview</a></td></tr><tr><td><strong>OpenADR 3 VTN API</strong></td><td></td><td>Explore the documentation and API references to help you use our VTN API</td><td><a href="openadr-3/overview">overview</a></td></tr></tbody></table>