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Zipwhip was a pioneering Seattle-based SaaS (Software as a Service) company that enabled businesses to send and receive text messages using their existing landline and toll-free phone numbers. Founded in 2007, Zipwhip became a significant player in the business texting market, offering robust features for customer communication, marketing, and support. In July 2021, Twilio acquired Zipwhip for approximately $850 million. Following the acquisition, Twilio announced plans to integrate Zipwhip's technology and eventually sunset the standalone Zipwhip product. Zipwhip's services were officially discontinued for most customers by December 1, 2023, as operations were wound down and customers transitioned to Twilio's offerings or other solutions.
Formerly served as the primary hub for all company operations, including software development, engineering, sales, marketing, customer support, and administrative functions.
The headquarters was situated in the Interbay neighborhood, offering modern office amenities typical of tech companies, designed to foster collaboration and innovation. It reportedly featured views of Elliott Bay.
Zipwhip was known for a dynamic and innovative work culture, characteristic of a fast-growing tech startup. It emphasized teamwork, customer focus, and adapting to the evolving landscape of business communications. Employee reviews often highlighted a positive and engaging work environment prior to its acquisition.
The Seattle headquarters was central to Zipwhip's growth from a startup to a leading provider of business texting solutions in North America, culminating in its acquisition by Twilio.
Zipwhip primarily focused its services on the North American market, providing business texting solutions to companies in the United States and Canada. Following its acquisition by Twilio and the shutdown of its standalone services by December 1, 2023, Zipwhip no longer maintains an independent global presence or supports any functions globally. Its technology and customer base were largely integrated into Twilio's broader communications platform.
300 Elliott Ave W, Suite 500
Seattle
WA
USA
Address: N/A
N/A
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As of April 2025, Zipwhip' leadership includes:
Zipwhip has been backed by several prominent investors over the years, including:
Zipwhip was acquired by Twilio in July 2021, and its platform was officially shut down for most users by December 1, 2023. Consequently, there have been no new executive hires or exits pertaining to Zipwhip as an independent, operational entity in the last 12 months. All executive functions ceased with the company's wind-down and integration into Twilio.
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Historically, Zipwhip likely used common corporate email formats. As the company has been shut down, these email addresses are no longer active.
[first].[last]@zipwhip.com or [first_initial][last]@zipwhip.com
Format
jane.doe@zipwhip.com or jdoe@zipwhip.com
Example
0 (Company services are shut down; emails are inactive)%
Success rate
Twilio Press Release • July 16, 2021
Twilio announced it had completed its acquisition of Zipwhip, a leading provider of toll-free messaging in the U.S., for approximately $850 million in an all-stock transaction....more
Twilio Blog (via various tech news outlets reporting on it) • May 17, 2022
Twilio communicated its decision to shut down the Zipwhip software, outlining a timeline for customers to migrate off the platform. The initial wind-down was planned for the end of 2022 for new customers, with existing customer support extending further....more
Twilio Support & Customer Communications • December 1, 2023
As per Twilio's announced schedule, Zipwhip's business texting services were officially shut down for the majority of its remaining customers on December 1, 2023, marking the end of its operations as a standalone product....more
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