PS Store, "Rakuten Pay" and "Merpay" to be able to pay. In addition to purchasing games and DLC, you can also top up your wallet and pay for flat-rate services.

PS Store, "Rakuten Pay" and "Merpay" to be able to pay. In addition to purchasing games and DLC, you can also top up your wallet and pay for flat-rate services.
 Sony Interactive Entertainment announced today (November 14, 2025) that it is now possible to pay with "Rakuten Pay" and "Merpay" for its online store "PlayStation Store". It can be used by accessing PSStore and registering a Rakuten Pay or Merpay account as a payment method....

The linked article is in Japanese.