This incident has been resolved. If you require further billing support regarding this issue, please file a support ticket under Billing > Real World Payment Issues in our Support Portal.
Posted 17 days ago. Feb 04, 2019 - 12:42 PST
We are currently performing unscheduled billing maintenance. While this maintenance is in progress, some users may experience failed transactions or be unable to add credit cards as payment methods. Please watch this blog for further updates.