AddEvent Email Format
Software DevelopmentCalifornia, United States11-50 Employees
AddEvent is a software company based in San Francisco, California, that focuses on calendar marketing and event management. Its platform enables organizations to engage users by treating calendars as a marketing channel, helping ensure important moments are not missed. Operating in software development, the company notes SOC 2 compliance to emphasize security and reliability. It serves thousands of organizations worldwide and reaches hundreds of millions of people annually, offering add-to-calendar capabilities, embeddable widgets, and RSVP and calendar marketing features. In May 2026, AddEvent announced updates to its RSVP offerings, including a new iteration with a built-in notification flow to support event communications.