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

# Overview

Allowing customers to redeem points at checkout is a great way to promote points spending and boost engagement with your loyalty program. It lets customers skip the need for copying and pasting discounts codes in favour of using a dropdown or slider interface directly on the checkout screen; making spending points spending quick, easy, and seamless!

We've curated guides for each of our supported platforms with instructions on how to modify your checkout page.

## On Shopify

Drag-and-drop our [Checkout Extensions](https://help.smile.io/en/articles/6596847-shopify-plus-checkout-extensions) into your checkout editor to add points earning info and redeeming capabilities. Only available on Shopify Plus.

## On BigCommerce

* [Points dropdown at checkout](/guides/use-cases/points-at-checkout/bigc-points-dropdown)
* [Points slider at checkout](/guides/use-cases/points-at-checkout/bigc-points-slider)