> For the complete documentation index, see [llms.txt](https://docs.cookie3.com/cookie3-analytics/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cookie3.com/cookie3-analytics/api/referral-systems.md).

# Referral Systems

{% hint style="info" %}
In order to fully utilize this feature you should first create a Conversion Event inside the Cookie3 Analytics app. Head to [this article](/cookie3-analytics/features/conversion-events.md) to read a short guide about how they work!
{% endhint %}

### Getting Started

Welcome to Cookie3's Referral System! This guide will help you quickly set up and implement our referral tracking and conversion system.

### Overview

Cookie3's Referral System allows you to:

* Track user referrals through custom URL parameters
* Monitor conversion events
* Access detailed analytics on referral performance

### Prerequisites

Before you begin, ensure you have:

1. Connected your website to Cookie3 Analytics
2. Created a Conversion Event in the Cookie3 Analytics app
3. Obtained your website's `siteId`
4. Obtained your Conversion Event's ID

For more information on these prerequisites, please refer to our separate guides.

## Step-by-step setup guide

{% content-ref url="/pages/ziVlBdQHopMea3vWTxks" %}
[Setup referral tracking](/cookie3-analytics/api/referral-systems/setup-referral-tracking.md)
{% endcontent-ref %}

{% content-ref url="/pages/47rlUJgeh0tQ6cYCfI1Y" %}
[Accessing leaderboard and user data](/cookie3-analytics/api/referral-systems/accessing-leaderboard-and-user-data.md)
{% endcontent-ref %}

{% content-ref url="/pages/6sLSICVbMQzt69lbqWVT" %}
[API Response schema](/cookie3-analytics/api/referral-systems/api-response-schema.md)
{% endcontent-ref %}

## Best practices

{% content-ref url="/pages/Sq9YWmU517Bubwy2qkVT" %}
[Best practices](/cookie3-analytics/api/referral-systems/best-practices.md)
{% endcontent-ref %}

## FAQ

{% content-ref url="/pages/FCuK0NjxrcnJ2nT4Uqb9" %}
[FAQ](/cookie3-analytics/api/referral-systems/faq.md)
{% endcontent-ref %}