---
title: Charmhub |  interface
description: Interfaces describe the relation between two charms. This interface shows
  opinionated, standardized interface specifications for charm relations.
url: https://charmhub.io/integrations/cinder-backup
---

#

## Other charms using this interface

### Providers

* [cinder-backup](https://charmhub.io/cinder-backup)
* [cinder-backup-swift-proxy](https://charmhub.io/cinder-backup-swift-proxy)

### Requirers

* [cinder](https://charmhub.io/cinder)