If your credit card is expired or having issues and you need to update your credit card information, here is how:
Go to the Monto billing page:
If your card wasn't able to be charged, you'll see a notice like this on your active apps that failed:
Click the "Manage Subscription" button.
Then click the "Update Payment Method" button at the bottom of the popup.
This will open up a Stripe panel where you can update your credit card information.
