I want to change my monthly payment method to a credit card/I want to change to a different credit card
You can complete the procedure through My au.
Please see below for detailed steps.
Important notes
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If you perform multiple operations within a short period using the same card, an authentication error may occur.
- Generally, the change will take effect from the payment for the month following the procedure is completed.
Steps
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1
Enter your au ID and password.
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2
Select the service you wish to process and tap on "Select" [選択].
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3
Check the change timing and the important notes, then tap on "Credit card" [クレジットカード].
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4
Read the important notes and tap on "Next" [次へ] at the bottom of the screen.
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5
Enter your credit card information and tap on "Next" [次へ].
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6
Check the registration details, select the confirmation method after registration is complete, and tap on "Set" [設定する].
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7
You may be redirected to the card company's website for authentication service (3D Secure).
In such cases, follow the on-screen instructions and enter the password registered with the credit card company, or a one-time password and tap on "Send" [送信].
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8
The procedure is completed when you are redirected to the "Application Completed" [受付完了] screen.
For your reference
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Only credit card companies that support the authentication service (3D Secure) can be used.
In principle, you must register with your card company in advance to use this service.
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Click here for more information on the authentication service (3D Secure) (in Japanese only)
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Click here to register for au PAY card’s authentication service (3D Secure) (in Japanese only)
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Regular maintenance is carried out every day from 22:00 to 24:00.
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In addition, there may also be unscheduled maintenance, in which case we apologize for the inconvenience, but please wait a while and then try again.
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If you are billed through an affiliated provider (other than au one net), please contact your provider.
- Click here for the contact information of affiliated providers (in Japanese only)
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