# supportedCountries A list of two-letter country codes for limiting payment to 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)