# Welcome to Unter

Unter is the **smart aggregator for crypto payments** — built to simplify, secure, and scale the way platforms accept crypto. Whether you're a developer, product manager, or business team member, this GitBook will guide you through everything you need to integrate and use Unter.

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### What You’ll Find Here

* [**How Unter works**](https://unter.gitbook.io/unter-docs/how-unter-works) — Understand the core mechanics of our smart transaction engine.
* [**Integration guides**](https://unter.gitbook.io/unter-docs/documentation) — Step-by-step instructions for the API setup.
* [**Product features**](https://unter.gitbook.io/unter-docs/product-features) — Checkout integration, Branding, supported chains and token configuration.
* **Best practices** — Tips to optimize user experience and performance.
* **Product roadmap** — A look at what’s coming next in future versions of Unter.

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### Who This Is For

Unter is made for crypto-native platforms that want to provide better checkout experiences — from **gaming** and **ticketing**, to **e-commerce**, **donations**, **NFTs**, and more.

If you're looking to offer a **frictionless**, **multi-chain**, and **wallet-agnostic** payment flow to your users, you're in the right place.

## Get Started

{% content-ref url="introduction" %}
[introduction](https://unter.gitbook.io/unter-docs/introduction)
{% endcontent-ref %}

{% content-ref url="how-unter-works" %}
[how-unter-works](https://unter.gitbook.io/unter-docs/how-unter-works)
{% endcontent-ref %}

{% content-ref url="documentation" %}
[documentation](https://unter.gitbook.io/unter-docs/documentation)
{% endcontent-ref %}