Closed Point of Sale Systems Need to Change I had an interesting conversation with a frustrated potential customer which I wanted to share. He was frustrated because his point of sale system, which I will not name here, is closed and will not let any 3rd parties read and send data to it.... Posted bymodernblogMay 5, 2014Posted inPOS Integration, Storefront Platforms, TechnologyTags: API, Shopify, Todd Myers