To see your Pro Plan details, log into your account, then click on "My Pro Plan" under "My Stuff."
The My Pro Plan page will list account info such as when the next payment is due and how much store credit is available.
For additional details like to see the expiration date of your Pro Plan credits, click on Pro Plan Details at the bottom of the My Pro Plan page.
If you do not have My Pro Plan page under your account, you can find your Pro Plan status under My Subscriptions page. Click on Zno Lab Credits Details to see additional details of store credits added and used.
To update the credit card information on your Pro Plan account, please email firstname.lastname@example.org.