Shopify's BUY button on third party apps not currently supported
Minmaxify does NOT currently support the Shopify BUY button used on Facebook, Instagram, Squarespace, or custom websites. The default behavior of the Shopify BUY button directs customers straight to the Shopify checkout page and thus bypass the cart and third-party apps.
We recommend enforcing limits for Instagram and Facebook integrations. Visit the Facebook shop's settings page and uncheck the "go straight to check out" box. This way the customers would have to visit your site and cart which would load Minmaxify and enforce your limits before completing the purchase.
For more details, we provide customer support via email. Please send your questions or feedbacks to firstname.lastname@example.org. We look forward to providing assistance.