Crysta can be added to an account in increments of $5, $10, $20, $30, $50, $100, or in any specific increment between $5 and $100.
Even if you don't have a credit or debit card, you can easily and safely purchase Crysta using UltimatePay.
*100 Crysta cost $1.00.
*A total of 10,000 Crysta ($100) can be added to a single Square Enix account.

ClickandBuy is an account-based billing system provided by ClickandBuy International Limited. In order to use ClickandBuy as a payment method, you will first need to acquire a separate ClickandBuy Account.
A ClickandBuy Account allows you to register multiple credit cards and debit cards to a single account that can then be used to pay for various services.

UltimatePay is a payment system handled by PlaySpan Inc. Players using Ultimate Game Cards will have their balance managed as Ultimate Points. Users can select from over 85 different payment methods (although the specific details will differ from country to country).