Hello,
We apologize for the issue you are facing while trying to purchase the Pro version of Rank Math. It seems that the payment system may have specific requirements regarding ZIP codes, especially for international transactions.
Here are a few steps you can try to resolve this issue:
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Ensure Correct Country Selection: Make sure that the country selected in the dropdown menu at the top-right corner of the checkout page is set to China. This can sometimes affect how the system processes your ZIP code.

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Contact Your Bank: Sometimes, banks may block international transactions. It might be helpful to contact your bank to ensure that your card is authorized for international payments and to check if there are any restrictions on your card.
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Try a Different Payment Method: If possible, consider using a different credit card or payment method that may not have the same issues with ZIP codes.
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Turn Off VPN/Proxy: If you are using a VPN or proxy, please disable it as it can interfere with the payment process.

If you continue to experience issues after trying these steps, please reply to this ticket with any error messages you receive, and a human agent from our support team will assist you further.
Thank you for your understanding, and we look forward to helping you complete your purchase!
I tried change location to china and both a Visa card and UnionPay, but I keep receiving the message:
“We regret that your order could not be accepted. We value your business and would like to help you complete this order. Please contact us for assistance.”
Hello,
Thank you for your query and we are so sorry about the trouble this must have caused.
Please share the zip code you’re trying to use and the last 4 digits of the card. You can enter that information in the Sensitive Data section of this ticket.
Meanwhile, please ensure that your payment method supports the following:
– Payments in USD $
– Supports subscription-based payments
– You are not using a prepaid card
– International payments are turned on
– Your IP is not a Proxy, or you are using any VPN or hosting service
If everything from the above is enabled and working, you can also try using a credit card instead.
You can also call your bank and ask what’s stopping the payment from going through and request them to approve it on your end.
Looking forward to helping you.
I’m using a credit card that works perfectly fine — I’ve successfully purchased subscriptions for Canva and SiteGround with the same card. I also tried using a Visa card. I’m not using a VPN, and since In China ZIP code is not required.
I’ve tried more than three credit cards, including multiple Visa cards, and none of them work. This is not a bank issue — the problem seems to be with your payment system. Please check for any bugs or issues on your end.
Hello,
We’ve checked your account, and it seems that you have already managed to purchase the subscription.
If you have any other concerns, please don’t hesitate to contact us anytime so we can assist you further.
Looking forward to helping you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.