I want to develop an iOS and Android app that allows customers to order food and process payment using credit card inside the app. It should be integrated with square POS system.
I want to do this using only Square API
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1. Get menu from square online store
2. Create an order
3. process payment using a credit card.
4. Loyalty API?
is should be fully integrated with POS and order will be visible there and marked like "order from mobile app".