ContribucionesMost RecentMost LikesSolutionsRe: Credit Card billing is not working A new month, and still this problem has not been resolved. I need to waste a lot of time figuring out which browser is compatible with the front-end handling your payment system. Will be changing my service. Re: Credit Card billing is not working I confirm I have had the same problem for the last two months. Re: Unable to make payment For the last 3 months I've needed to refill I've hadthis problem. Trying 2 different computer 3 different browser and different card, the form highlights as red right away saying the card number is not valid.