# Feature guides

Find current business-group, API, notification, mute, subscription and workflow guides.

Last reviewed 2026-10-11

Continue from this former catalogue to the current guides and the practical articles that retain their original URLs.

## Browse by topic[​](#topics "Direct link to Browse by topic")

* [Event processing](https://n9e.io/docs/concepts/noise-routing.md)
* [API](https://n9e.io/docs/reference/http-api.md)
* [Business groups](https://n9e.io/docs/concepts/business-groups.md)
* [Media and templates](https://n9e.io/docs/notifications/architecture.md)
* [Mute rules](https://n9e.io/docs/events/mute-rules.md)
* [Event pipelines](https://n9e.io/docs/events/pipelines.md)
* [SSO](https://n9e.io/docs/security/sso.md)
* [Subscriptions](https://n9e.io/docs/events/subscriptions.md)

## Next[​](#next "Direct link to Next")

* [Documentation home](https://n9e.io/docs.md)
* [System architecture](https://n9e.io/docs/concepts/architecture.md)