We are developing an application with the Shopify POS SDK, and would like to CHECK/APPLY BALANCE of a loyalty/reward card with a barcode scanner (if attached to POS hardware). How do we use this scanned data as input into our application? I can NOT find an API for the supported barcode scanners. If the POS hardware is a portable device (iPhone or iPad), we would like the option of using the integrated camera. Likewise, I can't find an API. Does Shopify provide APIs for these devices, allowing us to input scanned data into our application?
... View more