# Reactium API Foundation (Actinium)

- [Actinium Core](/actinium/actinium-core.md): A Node/Express framework with built-in Parse Cloud API.
- [Setting up your User](/actinium/setting-up-your-user.md): Using the Parse Dashboard, we need to create your admin user.
- [Actinium SDK](/actinium/actinium-sdk-1.md): The Actinium SDK provides important facilities you will need to interact with the API server, and extends the Parse SDK with a few notable changes.
- [Actinium Domain Model](/actinium/actinium.md)
- [Extending](/actinium/actinium-sdk.md): Actinium is easy to extend and much of its bootstrapping is hook-able.
- [Updating](/actinium/updating.md)
- [Live Query](/actinium/live-query.md)