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LINE Pay's credit card verification works in cooperation with the 3-D Secure systems offered by credit card companies in order to protect against any unauthorized use.

Once your card has been verified, it will be registered on LINE Pay. Afterwards, all you need to do to make a payment is enter your LINE Pay passcode.
※ Card authentication may be requested at the time of payment, and payment will proceed normally after card authentication.

When verifying your card, LINE Pay uses a secure network to check that your card company uses the 3-D Secure system. Even if you've never signed up for 3-D Secure, you can sign up for it right away from LINE Pay as long as your card company offers it.
 
Each credit card company may have a different service name for their 3-D Secure system.

Additionally, you won’t be able to register a card or make a payment on LINE Pay if the company for that card doesn't offer 3-D Secure.

When your card is verified, a very small payment will be charged to your credit card in order to check its validity. The payment will immediately be canceled and the amount for that payment will be refunded to your card.

If you are unable to verify your credit card, please see the article below.

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