Adding to category pages
Back in Stock Alerts BigCommerce app documentation: Add a Notify Me button directly to out-of-stock products in a BigCommerce category-page product grid.
Advanced sign-up form customisation
Back in Stock Alerts BigCommerce app documentation: Override Back in Stock Alerts storefront configuration, customise unsubscribe messages and trigger the sign-up form with JavaScript.
Catalyst support
Back in Stock Alerts BigCommerce app documentation: Integrate Back in Stock Alerts with a BigCommerce Catalyst storefront through the alert-request API.