We need to develop our own integration from ReadyPro to Shopify and from Shopify to ReadyPRO.
Process one: EXPORT PRODUCTS TO SHOPIFY
Products sync From ReadyPro to Shopify via XLM file.
Docs: [login to view URL]
Process two: IMPORT ORDERS IN READY PRO
Orders sync from Shopify to ReadyPro via XLM file
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NOTE: Sorry is in Italian, seems does not exist support in English from ReadyPro