> For the complete documentation index, see [llms.txt](https://wallee.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wallee.gitbook.io/documentation/developer-tools/customization/overview.md).

# Overview

With wallee, you get more. Easily connect numerous features and design them your way — from custom checkouts and automated document templates to your own apps via API.

<table data-view="cards"><thead><tr><th></th></tr></thead><tbody><tr><td><a href="/documentation/developer-tools/customization/document-handling/resource-editor-1-1.md">Configure your company settings via resource editor</a></td></tr><tr><td><a href="/documentation/developer-tools/customization/document-handling.md">Learn how to customize your documents</a></td></tr><tr><td><a href="/documentation/developer-tools/customization/document-handling/e-mails.md">Manage your email sender address</a></td></tr><tr><td><a href="/documentation/developer-tools/customization/pingen-printing-service.md">Use the Pingen Printing service effectively</a></td></tr><tr><td><a href="/documentation/developer-tools/customization/document-handling.md">Manage your email sending</a></td></tr></tbody></table>