My credit card keeps being declined and it is not on the bank's end, what can I do, I want to upgrade

How did you try to upgrade your account?

You can, by the way, upgrade your account through your Account's page

Then,

or our through our Pricing Guide.

Make sure you're properly logged in to your account when you process your upgrade.

If you have done this and still you cannot upgrade, please feel free to get back to us so we can further help you. Thank you.