The iOS version was announced previously: https://corner.squareup.com/2016/03/introducing-squares-register-api-and-ecommerce-api.html https://corner.squareup.c

The iOS version was announced previously: https://corner.squareup.com/2016/03/introducing-squares-register-api-and-ecommerce-api.html https://corner.squareup.com/2016/03/introducing-squares-regi...