What is the difference between txvariants cup and unionpay?

On the Adyen platform we have 2 different UnionPay payment methods:

UnionPay (CUP): is a card acquiring payment method with txvariant = cup. It works the same as other card payment methods such as Visa, Mastercard and Amex via direct server API.

Characteristics:
1. Regular card flow
2. Supports Recurring
3. Supports Dynamic 3DS. 

UnionPay SecurePay / UPOP: is a legacy re-direct payment method, with txvariant = unionpay. The shopper will be redirected to the external UnionPay's page via HPP.

Characteristics:
1. Works out of the box as a redirect method
2. Built-in authentication, no custom implementation needed
3. Limited features: no recurring, no partial captures.

If you have further queries, please contact our Support.

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