# supportedCountries A list of two-letter country codes for limiting payment to credit cards from specific countries or regions. ``` sequence supportedCountries; ``` ## Discussion Use the list of supported countries or regions to limit payment cards to those issued in specific countries or regions. Indicate the supported countries or regions by using ISO-3166 country codes. The [`supportedCountries`](/documentation/ApplePayontheWeb/ApplePayPaymentRequest/supportedCountries) list doesn’t affect the currency for the transaction, and it applies to all payment cards in Wallet. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)