> ## Documentation Index
> Fetch the complete documentation index at: https://www.integrate.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Square source for ELT & CDC

> Configure Square as a data source in Integrate.io ELT & CDC. Replicate point-of-sale transactions and payment data to your data warehouse.

## Overview

Integrate.io uses the API provided by Square to sync the data. [Square API Reference](https://developer.squareup.com/reference/square)

## Requirements

* You need to authenticate via OAuth2.

Check this checkbox if you are using the Sandbox environment.

<Frame>
  <img src="https://mintcdn.com/integrateio/XpeHmuMzUiEmfOEz/images/cdc/sources/image-99.png?fit=max&auto=format&n=XpeHmuMzUiEmfOEz&q=85&s=c87fc1adee465486b818218a8b324ece" alt="Square sandbox environment checkbox on connection form" width="1268" height="310" data-path="images/cdc/sources/image-99.png" />
</Frame>