ip_address currency amount order_id order_description platform geo_country apple_pay_merchant_domain
If the domain is verified and the button is displayed, but it is cancelled automatically at the biometric verification stage, you need to check whether there is no "extra" file at the address with .txt:
In case you have it, you will need to delete that file to resolve the issue.
Also, below, you can find links to instructions on how to connect Apple Pay when connecting via:
If none of the above helps, please contact Solidgate Customer Service and provide all the steps you checked and the error you encountered.