I think the free shipping feature is only available for the US.
Shipping: Free shipping within the United States. If shipping internationally, the shipping recipient could be subject to import duty and taxes.
ShapeShift & KYC centralized. It's like Blockchain.com that is paying using useless tokens or them devices in exchange for showing your data.
What is the value of the coupon code sent to you, is it a full or partial discount?
I stopped using ShapeShift since the problems of banning some IPs from some countries.