# Routing & Controllers

All about Umbraco's routing pipeline & the types of Controllers used in Umbraco, how they work, and what they are used for.

## [Request Pipeline](/umbraco-cms/13.latest/reference/routing/request-pipeline.md)

Explains how Umbraco builds its URLs and how the URLs are mapped back to content items.

## [Routing Properties](/umbraco-cms/13.latest/reference/routing/routing-properties.md)

Describes the Umbraco special/reserved Property Type aliases that can be used to directly manipulate Umbraco's default routing pipeline. These special Property Type aliases can be useful when creating an Umbraco website.

## [Surface Controllers](/umbraco-cms/13.latest/reference/routing/surface-controllers.md)

What is a Surface Controller and how to use them?

## [Umbraco API Controllers](/umbraco-cms/13.latest/reference/routing/umbraco-api-controllers.md)

What is an API Controller and how to use them?

## [Custom Controllers (hijacking routes)](/umbraco-cms/13.latest/reference/routing/custom-controllers.md)

Creating custom controllers to have 100% full control over how your pages are rendered. Also known as: Hijacking Umbraco Routes

## [Custom Routes](/umbraco-cms/13.latest/reference/routing/custom-routes.md)

How to specify your own custom MVC routes in your Umbraco application?

## [Routes & Authentication](/umbraco-cms/13.latest/reference/routing/authorized.md)

Routing requirements for authenticated controllers for both front-end and the backoffice.

## [URL Tracking](/umbraco-cms/13.latest/reference/routing/url-tracking.md)

Moving and renaming Umbraco documents will lead to URL redirects to be created.


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