# Reactium API Foundation (Actinium)

- [Actinium Core](https://docs.reactium.io/actinium/actinium-core.md): A Node/Express framework with built-in Parse Cloud API.
- [Setting up your User](https://docs.reactium.io/actinium/setting-up-your-user.md): Using the Parse Dashboard, we need to create your admin user.
- [Actinium SDK](https://docs.reactium.io/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](https://docs.reactium.io/actinium/actinium.md)
- [Extending](https://docs.reactium.io/actinium/actinium-sdk.md): Actinium is easy to extend and much of its bootstrapping is hook-able.
- [Updating](https://docs.reactium.io/actinium/updating.md)
- [Live Query](https://docs.reactium.io/actinium/live-query.md)


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