# Overview

You can choose from the following integration options

* [Gateway](https://docs.payrexx.com/developer/guides/gateway): Customizable checkout form for all use cases
* [Payrexx Tools](https://help.payrexx.com/account/tools): Ready-to-use payment tools designed for specific needs

## Integration - Gateway

### Use an existing Gateway

For certain e-commerce tools, business software or content management systems, we provide ready-to-use integrations. Check here to find out if a solution for your specific application already exists:

{% embed url="<https://help.payrexx.com/integration>" %}

### Build your own Gateway

Find out everything you need to realise your very own custom integration.

{% content-ref url="guides/gateway" %}
[gateway](https://docs.payrexx.com/developer/guides/gateway)
{% endcontent-ref %}

You can embed your Gateway in **mobile JS apps**, **custom websites** and **shops** etc.\
Here we show you all options and how it works.

{% content-ref url="guides/embedding" %}
[embedding](https://docs.payrexx.com/developer/guides/embedding)
{% endcontent-ref %}

## Integration - Payrexx Tools

Payrexx offers a variety of different tools. No development skills are needed to use these.\
Find all tools and their features in our merchant documentation.

{% embed url="<https://docs.payrexx.com/merchant/payrexx-administration/tools>" fullWidth="false" %}

There are multiple options embedding the Payrexx tools. Find out more.

{% content-ref url="guides/embedding" %}
[embedding](https://docs.payrexx.com/developer/guides/embedding)
{% endcontent-ref %}