FIS Global, the Capital One service provider involved, said it has "restored access" and processing should be done Friday.
Capital One says an outage has been affecting users since Thursday; as customers report they are still waiting for services to return.
A Capital One outage caused by a third-party vendor disrupted transactions and deposits, prompting frustrated customers to voice grievances and share viral memes on social media.
BANKING OUTAGE - On Saturday, Capital One apologized on X, saying that "we recognize the frustration this issue has caused and we sincerely apologize to our valued customers."
"Guess I'll be eating ramen again tonight," tweets one customer on third day of issues linked to a data-center power outage.
BANKING OUTAGE - On Saturday, Capital One apologized on X, saying that "we recognize the frustration this issue has caused and we sincerely apologize to our valued customers."
Tulsi Gabbard confirmation hearing  Featured Shows MSNBC TV More Follow msnbc More Brands More Shows To contextualize a chaotic first 10 days for the federal government in President Donald Trump’s second term,
Capital One's five-day interruption, President Trump's planned dismantling of the Consumer Financial Protection Bureau and more this month.
The president was sworn in at noon inside the Capitol Rotunda. Though inauguration typically takes place on the Capitol's West Front overlooking the Ellipse, with temperatures in the low 20s, it was moved inside. The viewing, the Inaugural Parade and a celebration were all be held inside Capital One Arena.
Third-party vendor FIS blamed a local power loss and hardware failure for the issue, which Bank of Oklahoma said affected more than two dozen financial institutions.
Critics said a gesture made by Elon Musk at a post-inauguration rally resembled a Nazi salute, though other figures dismissed the scrutiny.
Donald Trump, who overcame impeachments, indictments and assassination attempts, was sworn in Monday as the 47th U.S. president. Watch the events and get updates throughout the day.