The Carts Guru app integrates with Magento, Prestashop, and Shopify.
In the following video we run down the different ways you can integrate your online store with Carts Guru.
If you are using Shopify, you can find more details about the installation process in this article. If you are using Prestashop, you can find the instructions to integrate the module, in this article. Please refer to this article if you are using Magento 2.