If your home wallet rejects a Seoul checkout QR, ask the cashier whether that merchant and terminal currently accept overseas-wallet payment through that code. The presence of a QR, a ZeroPay listing, or a SeoulPay+ sign is not enough. Seoul says supported overseas apps can scan participating terminal QRs, and ZeroPay’s operator guidance says merchants enable payment types separately: a store may accept one type but return an error for another. If the cashier cannot confirm a supported foreign-wallet route, use an accepted card or cash instead of trying to create a Korean-verified payment account at the register.
The home-wallet payment is not a gift-certificate purchase
In its July 2026 announcement, Seoul described two ways to use participating Toss Place terminal screens. A SeoulPay+ user scans the displayed code in the SeoulPay+ app to spend a Seoul Love Gift Certificate. A visitor may instead scan with a supported overseas wallet, with Alipay, WeChat Pay and UnionPay among the examples the city named. Seoul reported cross-border Seoul Standard QR payments already made in January–June 2026, so the foreign-wallet route was more than a future proposal.
Those are different payment instruments behind a code that may look similar at checkout. Seoul’s SeoulPay+ FAQ concerns app membership and Seoul Love Gift Certificates; its bank-account purchase route requires an account in the buyer’s own name, and its card route requires an eligible card in the buyer’s own name. That FAQ does not establish a tourist’s eligibility to register for SeoulPay+. You do not need to buy a Seoul Love Gift Certificate merely to ask whether your existing overseas wallet works at a participating terminal.
Check the wallet and merchant before scanning again
Use your wallet’s own cross-border payment scanner, not the phone camera alone, and check that the wallet account is enabled for payments abroad. ZeroPay’s overseas-payment operator page lists participating wallet networks and examples, including WeChat Pay, Alipay CN, Alipay+, UnionPay and QRIS. A network label is not a promise that every app, home-country account or funding source within it qualifies. If you are unsure, consult the current overseas-use help in your wallet before paying.
Next ask the cashier which QR or terminal screen is for your wallet and whether overseas payment is enabled at this shop. The ZeroPay merchant-map FAQ says a merchant’s page can show its accepted payment types, including overseas payment. This is a useful precheck, but let the live cashier and wallet response decide the sale. Seoul’s announcement said an August 2026 expansion to Naver Pay Connect terminals was planned; it is not evidence that every such terminal or the announced number of merchants accepts your wallet today. Nor does a sticker prove a displayed code has been activated for that payment type.
After scanning, verify the merchant name and amount in your wallet, then wait for both your wallet’s completed-payment record and the cashier’s confirmed sale. If the screen only shows a pending request or an error, do not assume payment succeeded or repeatedly scan without checking the wallet’s transaction list. Ask the cashier to confirm the transaction state before switching to another method.
If it fails or needs a refund
If no payment completed, ask which card or cash method the store accepts. Our foreign-card failure guide covers a separate card fallback; card acceptance also depends on that merchant and issuer. Do not interpret a foreign-wallet rejection as a need for a SeoulPay+ account.
If the wallet shows a completed charge but the cashier says the sale failed, retain the wallet transaction ID, amount, time and merchant name and show them to staff before paying again. For a purchase you need to cancel, ask the merchant to locate and cancel the original transaction. ZeroPay’s merchant FAQ describes cancellation from the merchant side, while Alipay+’s consumer contact page directs wallet users with transaction or refund questions to the wallet or payment provider used. The refund status and currency conversion, if any, depend on that provider and the original payment; a SeoulPay+ gift-certificate refund menu is not the route for a home-wallet charge.