In a tweet, Capital One explained that it was experiencing technical issues for the second time this week and is working to resolve the issue.
A company spokesperson said that customers would not be responsible for late fees associated with the issue.
Customers may have trouble accessing their accounts, including direct deposits.
On Monday, the bank tweeted that it had experienced technical issues, but that those were resolved.
Customers on the Twitter thread complained about dropped calls with customer service after being on hold for long periods of time.