Zoom said all of its services are operational after a morning outage on Monday.
"We have resolved the issue causing users to be unable to start and join Zoom Meetings and Webinars. Users are now also able to sign up for paid accounts, upgrade, and manage their service on the Zoom website. We are currently monitoring to ensure that these services are operational," the company said on its website.
Zoom first reported "partial outages" for its video service just before 9 a.m. ET on Monday.
The videoconferencing company has become a crucial service during the Covid-19 pandemic. In an effort to replicate in-person meetings or lessons, businesses and schools have shifted toward using software that allows participants to meet virtually.
Zoom does not disclose user numbers, but analysts from Bernstein estimated in June that its mobile app had 173 million monthly active users as of May 27, up from 14 million on March 4, per data from analytics firm Apptopia.
The company's stock is up more than 300% year to date. The shares were down more than 2% in afternoon trading Monday.