Server-Side Extensions

Extend Umbraco's server-side functionality using .NET APIs, custom routing, notifications, services, caching, and more.

Server-side extensions give you direct control over the underlying .NET framework and Umbraco's internal services. Use these guides to build custom functionality at any layer of the stack.

Cache & Distributed Cache

Implement application caching in single-server and load-balanced environments.

Custom Routing

Configure custom routes and URL handling in Umbraco CMS.

Language Files & Localization

Manage localization and language files for your Umbraco site.

Management

Interact with Umbraco data through CRUD operations and the persistence layer.

Using Notifications

Subscribe to and handle Umbraco notifications to react to content and application events.

Services and Helpers

Access Umbraco data and functionality through the core services and helpers.

Additional Resources

• API Documentation - generate and browse API documentation for your Umbraco project.

• API Versioning and OpenAPI - version your APIs and configure OpenAPI documentation.

• Backoffice Search - customise search in the Umbraco backoffice.

• Content Type Filters - restrict the content types available to editors.

• Creating a Custom Database Table - add and manage custom database tables in Umbraco.

• Custom File Systems - create custom file systems using the IFileSystem interface.

• Custom Swagger API - configure custom Swagger documents for your APIs.

• Embedded Media Providers - add support for embedding media from external providers.

• Flag Providers - expose flag information in Management API responses.

• JSON Serialization - configure JSON serialization behavior in Umbraco.

• Scheduling - run scheduled background tasks in Umbraco.

• Server Events From SignalR - push real-time server events to the browser using SignalR.

• UmbracoMapper - map between objects using UmbracoMapper.