Users
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au PAY is a Japanese stored-value payment service used through barcode and QR checkout and supported bill-payment flows. Customers fund the balance through cash, bank or card routes, while an au ID connects the wallet to KDDI's wider account, prepaid-card and loyalty ecosystem.
Use cases:
Channels:
Initiation:
Markets
1TPV
$842MTransactions
80MEstimated Monthly Usage, Aurato Research, October 2026
Capabilities
Initiation & Authentication
Funding & Requirements
Processing & Settlement
Transaction Management
Refunds & Disputes
Additional native capabilities
Markets
Estimated Monthly Usage, Aurato Research, October 2026
PSPs
Schemes
Compliance
Regulator
Bank of Japan




