What to pay with abroad: Apple Pay, Google Pay, QR codes and cards

The two ways a phone can pay

The first is a phone wallet such as Apple Pay, Google Pay or Samsung Pay. You add a card your bank supports to the wallet, then tap your phone on a contactless reader at the shop. To the terminal it looks like a card payment, so it works wherever the reader accepts tap.

The second is scanning a QR code, which works differently from tapping. You use your bank or payment app to scan the shop's QR, or let the shop scan yours. Paying through Thailand's PromptPay network at home does not mean it works everywhere; there must be a cross-border arrangement between the payment systems, which exists only for certain countries and banks.

Phone wallets: what to set up before you leave

1. 1Check your bank and card support the walletLook in your bank app or official site to see whether your card can be added to the wallet. Support varies by card and by phone.
2. 2Add the card and verify it while still in ThailandVerification often needs an OTP or your bank app, and that is easier at home with normal signal.
3. 3Try one payment before you goTap to pay at a shop in Thailand to confirm everything works, including unlocking by face or fingerprint and the default card.
4. 4Know how to open the wallet quicklyHow to summon the wallet differs by phone and version. Practise it so you are not hunting through menus at the till.
5. 5Carry the physical card as a backupA flat battery, a dead phone, or a terminal that does not take tap all happen. A physical card helps a lot.

On security, a wallet needs on-device authentication before it pays, which is a plus. Still, set a screen lock that is hard to guess and know how to lock or wipe the phone remotely if it goes missing. See our guide on losing a phone abroad.

Cross-border QR payments: what to check

• Does your bank app offer cross-border QR payments, and does it cover your destination?
• Do you have to switch it on or register first, and can that be done from abroad?
• What per-transaction or daily limits does the bank set, and where can you change them?
• How is the amount converted to baht and what fees apply? Check your bank's own terms, not figures from an article.
• Which QR systems does the shop accept? Look at the sign, or ask before ordering.

Some foreign payment apps let you link an overseas card or account, but verification may need a local phone number or a bank account in that country, which visitors often do not have. Read that app's own requirements first, and do not leave installation until you are standing at the till.

A broad comparison of payment methods

The table does not rank which is best; each method has a different point where it can fail. Carrying at least two methods that do not depend on the same device is the safest principle.

Do not assume a country is cashless

Articles and posts often say some countries are almost entirely digital. That may be true in certain cities, districts and periods, but the whole country always has exceptions. Wet markets, small eateries, some public transport, public toilets, lockers and some attractions may take cash only or only a local system.

Conversely, places that used to rely on cash can change fast, so there is no need to carry a lot of cash for no reason. The takeaway is not to guess: check recent information from official sources or your bank, and prepare more than one option.

Paying by phone and your connection: a backup plan

Tap-to-pay with a wallet can sometimes work without your phone's data, but scanning a QR, opening a bank app, receiving an OTP and sorting out a failed payment usually need you to be online. If signal drops, you may not be able to pay just when you need to, so set up a backup.

The simplest backup is a physical card and a sensible amount of cash for emergencies. For the connection, one option is a data-only eSIM bought and installed online before you leave, which gives internet only, with no phone number or SMS. See the current plans on the eSIM page and pick what suits your trip.

Voir les forfaits eSIM pour votre voyage

If you are not sure which suits you, the plan finder can narrow the options.

Use the plan finder

Une liste de vérifications avant le départ

1. Check from your bank's official sources whether your cards and app support wallets and cross-border QR in your destination.
2. Add your cards to the wallet, verify them, and try one payment.
3. Set limits and alerts, and know how to lock a card or app if your phone goes missing.
4. Bring one or two physical cards and some cash, stored in different places.
5. Plan your data and a spare battery, because your phone is both wallet and map.
6. If you will carry a power bank on the plane, check airline and airport rules.

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