It's possible to use our POS system anywhere around the world. The only thing is that our card swipers will not work in countries other than the US and Canada at this time. You would be able to source your own hardware using the model numbers from our list of approved hardware but will ultimately need to run the payment terminal alongside the POS. Here's the general breakdown of the order process :
The terminal and Shopify wouldn't be linked in any way (as they are two separate systems), but they would be running in tandem. You can get an external gateway through some banks in your area. I would recommend reaching out to them to see what services are available in Belgium.
Andrea M | Shopify Guru
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No I ended using sumup.be without shopify.
You could buy one of the listed devices there under Europe: https://docs.shopify.com/pos/about-pos/get-the-right-shopify-pos-hardware/external-credit-card-termi...