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Hi @Khalid_Mashriqi, Please see the resources below to configure your Apple Pay Platform, rather than an individual Apple Pay Merchant. On the page below, under API Reference and Guides, you'll find the Platform Integration Guide PDF: Apple Pay: Resources https://developer.apple.com/apple-pay/resources/ Additionally, you'll want to request access to the Apple Pay Web Merchant Registration API by following the documentation below: Applying to use the registration API and configuring IDs https://developer.apple.com/documentation/applepaywebmerchantregistrationapi/applying-to-use-the-registration-api-and-configuring-ids Cheers, Paris X Pinkney |  WWDR | DTS Engineer

Hi @Commander, The Apple Pay servers are purged frequently due to privacy and security policies, so I'll need you to follow the steps in the post below, then reply to this thread with the submitted Feedback ID: Gathering Required Information for Troubleshooting Apple Pay In-App Provisioning or In-App Verification Issues https://developer.apple.com/forums/thread/762893 Once I have the Feedback ID with the requested details listed in the post above, I'll be able to provide guidance for you to resolve the reported errors, as well as troubleshoot your implementation and PNO metadata configuration, as needed. Cheers, Paris X Pinkney |  WWDR | DTS Engineer

Hi @RamySaad12, Please review the following post to learn more about resolving merchant issues for Apple Pay on the Web: Gathering Required Information for Troubleshooting Apple Pay on the Web Merchant Issues https://developer.apple.com/forums/thread/762994 Specifically, the technote mentioned below: TN3174: Diagnosing issues with the Apple Pay payment sheet on your website https://developer.apple.com/documentation/technotes/tn3174-diagnosing-issues-with-the-apple-pay-payment-sheet-on-your-website Cheers, Paris X Pinkney |  WWDR | DTS Engineer

Hi @AT19947, Please review the following post to learn more about resolving merchant issues for Apple Pay on the Web: Gathering Required Information for Troubleshooting Apple Pay on the Web Merchant Issues https://developer.apple.com/forums/thread/762994 Specifically, the technote mentioned below, which has a section about merchant domain verification: TN3173: Troubleshooting issues with your Apple Pay merchant identifier configuration https://developer.apple.com/documentation/technotes/tn3173-troubleshooting-issues-with-your-apple-pay-merchant-id-configuration Cheers, Paris X Pinkney |  WWDR | DTS Engineer

Hi @BSC_DEV, @Adilet, The Apple Pay servers are purged frequently due to privacy and security policies, so I'll need you both to follow the steps in the post below, then reply to this thread with the submitted Feedback ID: Gathering Required Information for Troubleshooting Apple Pay In-App Provisioning or In-App Verification Issues https://developer.apple.com/forums/thread/762893 Once I have the Feedback ID with the requested details listed in the post above, I'll be able to provide guidance for you to resolve the reported errors, as well as troubleshoot your implementation and PNO metadata configuration, as needed. Cheers, Paris X Pinkney |  WWDR | DTS Engineer

Thanks, but there is no after the failure since xCode just non-stop continuously displays the message xCode will continue when iPhone 7 is finished along with a never-ending spinning glyph. The message never goes away and the animated glyph never ceases. When does one determine after the failure takes place in such a situation? See https://www.youtube.com/watch?v=aweV3x7PgcA

Do you have a small amount of test code that will reproduce this? If so, it'd be great to get that attached to a bug report so that we can investigate it. Please post the FB number here for our reference.

Please file a bug report at http://bugreport.apple.com including a sysdiagnose from both the host Mac and the target device as soon after the failure as possible. Report back the FB# here, so we can jump to it. Thanks.

Hello, Thank you for your detailed response to my previous question. I understand that including all classes used within the app in the ofClasses parameter is not the correct pattern. Situation Update: Following your advice, I tested by including only the root object's class in ofClasses. Class X contains nested objects Y and Z. // Including only root object and some nested objects NSKeyedUnarchiver.unarchivedObject(ofClasses: [X.self, Y.self], from: data) Problem Encountered: However, I encountered the following error: Error Domain=NSCocoaErrorDomain Code=4864 value for key 'anotherNestedObject' was of unexpected class 'Z'. Allowed classes are: { 'X', 'Y' } The error was only resolved when I included class Z in ofClasses as well. Current Implementation Verification: Class X properly implements NSSecureCoding In the init(coder:) method, it individually decodes nested objects using coder.decodeObject(ofClass: Y.self, forKey: nestedObject) and coder.decodeObject(ofClass: Z.self, forKey: anotherNestedOb