# Overview

Welcome to the Subtopia documentation. Subtopia is a decentralized platform that allows you to create and manage flexible on-chain subscriptions for your users. Built on the Algorand blockchain, Subtopia provides an easy-to-use and secure solution for integrating subscription payment processing and management into your app.

### Features Overview

#### Utility as a Service

Subtopia enables you to create a subscription service in minutes with flexible configuration options. Customize your subscription service to your needs, whether you want time-based or unlimited subscription plans.

#### Easy Integration

Integrate Subtopia into your website using a JavaScript SDK or HTML. Advanced users can leverage the ABI interface to interact with Subtopia from their own smart contracts for quick subscription membership lookups.

#### Decentralized

Subtopia operates entirely on the Algorand blockchain, ensuring cheap and fast transactions while securely persisting your data on a public ledger.

### Glossary

Throughout this document you will see the following terms, here is the glossary explaining the definitions and abbreviations:

* **Subscribers**: Users who subscribe to a dApp
* **Creators**: Users who create dApps
* **Product**: Subscription Management Infrastructure (also referred to as "Product")
* **Registry**: Subscription Management Registry (also referred to as "Registry")
* **Locker**: Subscription Management Locker (also referred to as "Locker")
* **Discount**: An on-chain object that represents the discount to apply on subscriptions when users are purchasing them via your Product instance
* **Subscription Pass:** An on-chain object that represents purchases **Product** subscription

### Platform portals

#### Creator Portal 

A portal accessible within the platform that aims to provide a convenient experience for Developers, Projects or Businesses to deploy their decentralized subscription management infrastructures. Currently is the most extensive operational mode offered by the platform. 

#### User Portal 

A portal accesible within the platform that aims to provide a convenient experience for Users of products that use Subtopia for their subscription infrastructure management. To be significantly expanded in future. Currently offers a central entry view to quickly choose and manage existing subscriptions.  

### Additional Resources

* [Subtopia Website](http://subtopia.io/)
* [Subtopia SDK](https://sdk.subtopia.io/)