Apple Pay transactions in the test environment do not require separate card numbers.
Testing is performed using Apple’s sandbox environment with cards provisioned in Apple Pay.
The authentication and authorization behavior depends on:
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the underlying card scheme,
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the device and browser used,
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and Apple Pay sandbox configuration.
No real transactions are processed.
For details on setting up and using the Apple Pay sandbox environment, please refer to Apple’s official documentation: https://developer.apple.com/apple-pay/sandbox-testing/.