Users of the payment app Venmo experienced trouble sending and receiving money on Wednesday amid widespread social media posts about service issues.

Downdetector, a website that tracks online outages, showed reports that problems began spiking at about 6:30 p.m. Eastern Standard Time.

Venmo said in a post on the social platform X that it was working to address the breakdown.

“We’re aware that some users are experiencing issues with Venmo right now,” the company said. “Our team is working on a fix, and we’ll update you as soon as it’s resolved.”

Peer-to-peer payment apps have exploded in popularity in the last decade. Venmo had 92 million active users as of last year.