Below steps to verify Domain on Juspay Portal

In the Juspay Authenticator section, add an Apple Pay Display Name, choose Customer Domain, and enter your primary domain.
Since the domain file has been uploaded, click Verify Domain on Juspay.
Go to Payments → PG Control Center → Gateway, select your Gateway, and click Edit Gateway Configuration.
Go to Payment Method Configurations under your Gateway, enable Apple Pay Token Decryption Flow in Advanced Features, then click Save.
Once your domain shows a Verified badge in Juspay, return to Fynd Payment Configuration in your sales channel, and click Verify Domain on Apple Pay.