We’ve added support to Shopify listings for adding a UPC to your listings. This update allows you to add a product UPC while listing for greater searchability within your Shopify store and via web searches!
UPC in Lister:
UPC in Shopify:
Alternatively, manually copying the Lister Product SKU to the UPC field will allow Shopify POS to recognize the Lister SKU barcode when scanning Lister SKUs in the Shopify POS app for a faster checkout experience!