Big Cartel Table of Contents Upgrade BigCartel Smartsupp Live Chat & Chatbots Integration Don't have Smartsupp account yet? Sign up for free in just 2 minutes. Upgrade BigCartelBigCartel allows custom code paid version. To chat with visitors and see them on website log in to Smartsupp. Still confused? Contact us via the chat box in your dashboard and we’ll be happy to get in touch with you. Please note that customer service is included only in paid packages.