By the end of its first month, Zoom had 400,000 users and by May 2013 it had 1 million users. Zoom launched version 1.0 of the program allowing the maximum number of participants per conference to be 25. The service was launched in January 2013 after the company raised a $6 million Series A round from Qualcomm Ventures, Yahoo! founder Jerry Yang, WebEx founder Subrah Iyar, and former Cisco SVP and General Counsel Dan Scheinman.

In November 2012, the company signed Stanford University as its first customer. In September 2012, Zoom launched a beta version that could host conferences with up to 15 video participants. In May 2012, the company changed its name to Zoom, influenced by Thacher Hurd's children's book Zoom City. In June 2011, the company raised $3 million of seed money from WebEx founder Subrah Iyar, former Cisco SVP and General Counsel Dan Scheinman, and venture capitalists Matt Ocko, TSVC, and Bill Tai. The company had trouble finding investors because many people thought the videotelephony market was already saturated. He left Cisco in April 2011 with 40 engineers to start a new company, originally named Saasbee, Inc.

Zoom was founded by Eric Yuan, a former corporate vice president for Cisco Webex. Its software products have faced public and media scrutiny related to security and privacy issues, though the company has taken measures to address these issues. The company was founded in 2011 by Eric Yuan, a former Cisco engineer and executive.

It provides videotelephony and online chat services through a cloud-based peer-to-peer software platform used for video communications (Meetings), messaging (Chat), voice calls (Phone), conference rooms for video meetings (Rooms), virtual events (Events) and contact centers (Contact Center), and offers an open platform allowing third-party developers to build custom applications on its unified communications platform (Developer Platform). (commonly shortened to Zoom, and stylized as zoom) is a communications technology company headquartered in San Jose, California.

Zoom calls on phone