I want to know if I will be able to integrate Moncash to Shopify. Moncash isn't a payment gateway. See here please https://www.digicelgroup.com/ht/en/moncash/business.html.
You might be able to find a Shopify Expert (https://experts.shopify.com/services/development-and-troubleshooting/custom-apps-integrations) that can help you integrate with Moncash.
CalD | Developer Support @ Shopify - Was my reply helpful? Click Like to let me know! - Was your question answered? Mark it as an Accepted Solution - To learn more visit Shopify.dev or the Shopify Web Design and Development Blog