# au PAY

> Source: https://docs.barcoder.ai/docs/wallets/au-pay
> research date 2026-05-31 · extracted at 2026-10-07
> Publisher: Barcoder — encyclopedia of QR, barcode and payment-code standards

Specifications:
- [au PAY — official](https://aupay.wallet.auone.jp/)

## Overview

**au PAY** is **KDDI Japanese telecom mobile wallet** + **KDDI Corporation TYO: 9433 Japanese mobile carrier au brand parent** + **one of Japan's largest telecom-anchored mobile wallets via au mobile + Pontaポイント Ponta points integration** + **~35M+ Japanese users** <sup>[1][1], [Japan report](https://docs.barcoder.ai/docs/payments/JP)</sup>.

## History

**Sep 2014 — au WALLET launched as KDDI Japanese telecom mobile wallet for au mobile subscribers**.

**Apr 2019 — au WALLET renamed au PAY + QR code payments + retail expansion** distinctive Japanese telecom-anchored mobile wallet rebrand.

**May 2020 — au PAY + Pontaポイント Ponta loyalty points integration**.

## Ownership & operator

**Operating entity**: **au PAY** (KDDI Japanese telecom mobile wallet; KDDI Corporation parent).

**Major shareholders**: **KDDI Corporation (TYO: 9433; Japanese mobile carrier au brand parent + UQ mobile + povo)**.

**Regulators**: **FSA Japan + BoJ**.

## Technical integration

au PAY mobile app (iOS + Android; ~35M+ Japanese users) + aupay.wallet.auone.jp online + au PAY Mastercard credit + prepaid cards + au PAY integration with Pontaポイント Ponta loyalty points; JP Zengin + JP QR Payment Link + au PAY QR Japanese telecom-anchored mobile QR payment scheme.

## Implementations & partners

**KDDI parent**: KDDI (KDDI Corporation; TYO: 9433; Japanese mobile carrier au brand parent + UQ mobile + povo).

**Major Japanese mobile wallet + payments competitors**: [PayPay](https://docs.barcoder.ai/docs/wallets/paypay) (PayPay; SoftBank + LY Corporation JV; Japan's largest mobile wallet by users + transactions; ~65M+ Japanese users) + [LINE Pay](https://docs.barcoder.ai/docs/wallets/line-pay) (LINE Pay; LINE mobile wallet; Japanese operations via LY Corporation) + [d払い (d Barai)](https://docs.barcoder.ai/docs/wallets/d-barai) (d払い d Barai NTT Docomo Japanese mobile wallet) + [Rakuten Pay](https://docs.barcoder.ai/docs/wallets/rakuten-pay) (Rakuten Pay; Rakuten Japanese mobile wallet) + [MerPay](https://docs.barcoder.ai/docs/wallets/merpay) (MerPay Mercari Japanese mobile wallet) + [Suica](https://docs.barcoder.ai/docs/wallets/suica) (Suica JR East Japanese transit + retail prepaid card) + [Pasmo](https://docs.barcoder.ai/docs/wallets/pasmo) (Pasmo Tokyo Metropolitan Japanese transit + retail prepaid card) + [MUFG Bank (Mitsubishi UFJ Direct app)](https://docs.barcoder.ai/docs/wallets/mufg-bank) (MUFG Bank Mitsubishi UFJ Financial Group; TYO: 8306 + NYSE: MUFG; Japan's largest commercial bank by assets) + [Olive (SMBC + Sumitomo Mitsui Card)](https://docs.barcoder.ai/docs/wallets/smbc-olive) (SMBC Olive Sumitomo Mitsui Banking Corporation; TYO: 8316; Japan's #2 commercial bank by assets) + [Mizuho Bank (Mizuho Direct + Mizuho Wallet)](https://docs.barcoder.ai/docs/wallets/mizuho-bank) (Mizuho Bank; TYO: 8411; Japan's #3 commercial bank by assets) + [Japan Post Bank (Yucho)](https://docs.barcoder.ai/docs/wallets/japanpost-bank) (Japan Post Bank Yucho; TYO: 7182; world's largest bank by deposits).

**Regulators**: FSA Japan + BoJ.

## Status

**Active, KDDI Japanese telecom mobile wallet + KDDI Corporation TYO:9433 Japanese mobile carrier au brand parent + one of Japan's largest telecom-anchored mobile wallets via au mobile + Pontaポイント Ponta points integration + ~35M+ Japanese users** <sup>[1][1], [2][2]</sup>.

## Sources

[1]: https://aupay.wallet.auone.jp/ "au PAY — official"
[2]: https://en.wikipedia.org/wiki/Au_PAY "au PAY — Wikipedia"
[jp-cro]: https://docs.barcoder.ai/docs/payments/JP

- [1] [au PAY — official][1]
- [2] [au PAY — Wikipedia][2]
- <sup>[Japan report](https://docs.barcoder.ai/docs/payments/JP)</sup> In-corpus: `reports/countries/JP-japan.md`

## Source

Biography extracted from [au-pay.md](https://docs.barcoder.ai/source/wallets/au-pay). See `matrix.md` for standards-support matrix if present.