@ayrity  - We are facing the exact same issue and trying to find a work around, with a tech/dev who can build an API, app or integration for our current merchant processor into Shopify POS.  Have you had any luck finding a solution, since you last po...

@Trevor It's disappointing that Shopify POS would go this route.  I would be willing to pay more for the Shopify POS, if it allowed for integrating our current merchant processor.