The two companies aim to enable Korean travellers to Japan to make purchases via their systems.
The move comes after the Korean government revised related regulations to enable local mobile payment services to operate overseas.
Users will be able to see how much they are paying in Korean currency when they make payments in foreign currency. This compares to overseas credit card purchases, for which it takes time for users to check their payments in Korean currency.
In addition, Kakao Pay plans to make its service available in one or two more countries in 2019.
Every day we send out a free e-mail with the most important headlines of the last 24 hours.
Subscribe now
We welcome comments that add value to the discussion. We attempt to block comments that use offensive language or appear to be spam, and our editors frequently review the comments to ensure they are appropriate. If you see a comment that you believe is inappropriate to the discussion, you can bring it to our attention by using the report abuse links. As the comments are written and submitted by visitors of the The Paypers website, they in no way represent the opinion of The Paypers.