> For the complete documentation index, see [llms.txt](https://api-docs.fcfpay.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api-docs.fcfpay.com/intro.md).

# Intro

Welcome to the FCFpay API documentation.

In this document we will take you through the process of making requests to FCF Pay Merchant's API so you can set-up a custom installation on your website, to allow your customers to pay you with cryptocurrencies.

FCF Pay can be integrated into any system using the API calls.

Dive a little deeper and start exploring our API reference to get an idea of everything that's possible with the API:

{% content-ref url="/pages/kFIxQzZ54s7mbq9cKGiQ" %}
[API Requests - V2](/reference/api-requests-v2.md)
{% endcontent-ref %}