---
title: "Smile (@smile)"
description: "Loyalty software for Shopify brands."
account: "smile"
---

# Smile

Loyalty software for Shopify brands.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/smile/feed.md

- [Smile.io REST API](https://skmtc.dev/smile/apis/smile-io-rest-api.md): Loyalty programs: manage customers, points, earning rules, rewards and VIP tiers