I’m having same problems as above., Tried three different cards, all functional, as called banks and all declined. I am login in from Thailand.
Not working in India too. Tried with different cards. Also tried with with mobile data as suggested by @remigijus.dailide . Still not working. Please fix this soon. You might lose lot of paid subscribers.
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Finally got it to work as a US resident. I went on mobile (iPhone) > turned off wifi (use cellular) > turned off VPN/iCloud Private Relay, signed into ChatGPT via a different gmail account than I used with the service previously > set up payment via Apple Pay.
I tried entering the card number in manually and using Link service, on mac/pc/mobile, but not luck. This combination above finally worked for me. Good luck to anyone struggling with this!
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I used ICICI Credit Card and purchased it using mobile data. it worked like a charm.
Note : I’m from INDIA
My issue was solved after plugging in my card info through my phone (I have an iPhone 13) instead of on my M2 Mac mini. Not entirely sure why, but if you’re dealing with this, try using your phone instead.
joelrf
47
The issue seems to be the apple private relay. Disable it or use a vpn like 1and1 or Google One VPN
Logging from mobile network did not work for me from Sri Lanka. 
Hey folks, please read our help center article for more details on this: Why was my credit card declined? | OpenAI Help Center
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