The button doesn't appear in the cart
Check that the app block is added to your cart template.
Shipping can't be calculated and checkout won't proceed
Check your store’s shipping zone and rates for Japan.
How many shipping addresses can a customer add?
Customers can split one order across up to 20 addresses.
Where are shipping addresses saved?
Logged-in customers choose from their customer account addresses, and new ones are saved there.
What emails do customers receive?
Order confirmation, shipping updates and other emails customers receive.