> For the complete documentation index, see [llms.txt](https://docs.globo.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.globo.io/pre-order/app-api.md).

# APP API

- [JavaScript API - Online store](https://docs.globo.io/pre-order/app-api/javascript-api-online-store.md): Globo Preorder provides a JavaScript API for custom integrations within your Shopify theme. This API is accessible through the window.Globo.Preorder object when our app loads into your theme.
- [App functions](https://docs.globo.io/pre-order/app-api/javascript-api-online-store/app-functions.md): The application defines several functions to enable callbacks and customization everywhere.
- [Event listeners](https://docs.globo.io/pre-order/app-api/javascript-api-online-store/event-listeners.md): We set up several event listeners so you can call back and customize everything.
- [Back in stock API - Auth](https://docs.globo.io/pre-order/app-api/back-in-stock-api-auth.md)
- [Preorder API - Auth](https://docs.globo.io/pre-order/app-api/preorder-api-auth.md)