Just implemented Snip Cart for a basic e-commerce setup. So easy to do and works great! It would be nice to implement into Perch as an app. It is way better then perch shop.
Add a Shopping Cart to Any Website
Add a Shopping Cart to Any Website in Minutes - Snipcart
Add a shopping cart to your site in minutes. Works with any site builder, CMS, and framework. 20 000+ merchants trust our e-commerce solution for their website. Join them!
Public API
https://docs.snipcart.com/v2/javascript-api/public-api
Rest API