Instance Property


The Apple Pay version supported on your website.


required unsigned long version;


The version number you provide here represents the minimum Apple Pay version that the user’s browser must support. You can check which API version the browser supports by calling supportsVersion.

Always check supportsVersion before using an Apple Pay feature that isn’t available in all versions. See Apple Pay on the Web Version History for information about the features available in each version.

See Also

Identifier and Version Information


The merchant identifier you registered with Apple for use with Apple Pay.