au PAY

pmt_au_pay
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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:
Initiation:
Users
9.1M
Markets
1
TPV
$842M
Transactions
80M

Estimated Monthly Usage, Aurato Research, October 2026

Historical trends

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

Standards