# @backstage/backend-app-api This package provides the framework API used by Backstage backend apps. ## Installation Add the library to your backend app package: ```bash # From your Backstage root directory yarn add --cwd packages/backend @backstage/backend-app-api ``` ## Documentation - [Backstage Readme](https://github.com/backstage/backstage/blob/master/README.md) - [Backstage Documentation](https://backstage.io/docs) - [Backstage Backend System](https://backstage.io/docs/backend-system/)