Twilio
| File:Twilio Logo 2022.svg Logo since 2022 | |
| Company type | Public |
|---|---|
| Industry | Cloud communications |
| Founded | 2008 |
| Founder | Jeff Lawson, Evan Cooke, John Wolthuis |
| Headquarters | San Francisco, California , United States |
Key people | Khozema Shipchandler (CEO), Mark Simms (CTO) |
| Products | Programmable communication APIs (voice calls, SMS, MMS, SIP trunking, WebRTC, two-factor authentication, call center solutions) |
Number of employees | 5500+ (2024) |
| Website | twilio |
Twilio Inc. is an American cloud communications firm based in San Francisco, California. Established in 2008 by Jeff Lawson, Evan Cooke, and John Wolthuis, Twilio delivers programmable communication APIs encompassing voice calls, SMS, MMS, SIP trunking, WebRTC, two-factor authentication (2FA), and call center solutions.
History
Twilio introduced its cloud-hosted Voice API in November 2008, subsequently adding SMS APIs in 2010 and SMS shortcodes in 2011. The company secured over $103 million in venture funding from investors such as Union Square Ventures, Bessemer Venture Partners, Redpoint Ventures, Fidelity, Amazon, and Salesforce. It debuted on the New York Stock Exchange in June 2016, with shares increasing by 92% on the first day of trading.
Key leadership includes CEO Khozema Shipchandler and CTO Mark Simms. To broaden its product range, Twilio acquired SendGrid as a subsidiary. By 2024, the company employed more than 5,500 individuals and reported revenues totaling $4.46 billion.
Twilio’s growth strategy emphasizes platform evangelism aimed at developers and startups; for instance, GroupMe was an early adopter of Twilio's messaging API. Additionally, the company launched the Twilio Fund in partnership with 500 Startups to back companies leveraging its platform.
In recent years, Twilio encountered several challenges including a phishing attack in 2022 that compromised certain customer accounts and implemented workforce reductions exceeding 30% between 2022 and 2023 as part of organizational restructuring. The firm reorganized into two divisions: Twilio Data & Applications and Twilio Communications.
Founder Jeff Lawson resigned from his roles as CEO and board member in January 2024, with Shipchandler assuming leadership. Later that year, a data breach exposed phone numbers belonging to over 33 million users of Twilio's multi-factor authentication service, Authy.
Twilio’s corporate framework supports worldwide operations with a focus on scalable cloud communication solutions aimed at diverse industries requiring programmable communication capabilities. Its competitive edge stems from comprehensive APIs, strategic acquisitions, and active engagement with the developer community that fuels business expansion and market penetration.
Acquisitions
In February 2015, Twilio acquired Authy, a startup supported by Y Combinator specializing in two-factor authentication services for developers and enterprises.
September 2016 saw Twilio purchase Tikal Technologies—the creators of the Kurento WebRTC open-source project—for $8.5 million.
In February 2017, Twilio acquired Beepsend, a Swedish provider of SMS messaging services; financial terms were not disclosed.
Twilio enhanced its contact center analytics by acquiring Prague-based speech analytics company Ytica in September 2018.
In October 2018, Twilio completed a $2 billion acquisition of SendGrid, a Denver-based platform focused on transactional and marketing email communications. The deal closed in February 2019 with an overall valuation of $3 billion.
November 2018 included the acquisition of Core Network Dynamics GmbH, a Berlin-based firm specializing in virtual evolved packet core technology.
Twilio expanded into the Internet of Things sector by acquiring Electric Imp in July 2020. That October marked the purchase of Segment for $3.2 billion, integrating a customer data platform for collection and activation purposes.
May 2021 featured acquisitions of Ionic Security—a data security company acquired for $30.2 million—and Zipwhip—a toll-free messaging provider purchased for $850 million.
In January 2022, Twilio agreed to acquire Boku Identity, Inc. from Boku, Inc. for $32.3 million to enhance its mobile identity verification and secure onboarding capabilities.
Technology
Twilio utilizes Amazon Web Services to host its communication platform through APIs, adhering to architectural best practices aimed at reducing downtime. This strategy was notably validated during the extensive AWS outage in April 2011.
Rather than relying on conventional protocols such as SIP, Twilio uses its own markup language called TwiML, which facilitates seamless integration with its services. Communication between Twilio and its users occurs via HTTP Webhook by exchanging TwiML documents.
Open-source contributions
Twilio is a strong advocate for open source initiatives. In June 2010, the company introduced OpenVBX, an open-source solution that enables businesses to set up phone numbers for call routing purposes. Soon after, engineer Kyle Conroy developed Stashboard, an open-source dashboard designed for monitoring API status.
The company also backs Localtunnel, a project created by former engineer Jeff Lindsay, which allows developers to expose their local development environments to the Internet even when behind a NAT.
Other open-source projects supported by Twilio include:
- Flask Restful: a Python extension for the Flask (web framework) that aids in constructing RESTful APIs
- Shadow: a tool that directs requests through release candidates using live production traffic
- Banker's Box: a utility serving as a wrapper for various storage backends
These contributions underscore Twilio’s commitment to providing developer-centric tools and a robust cloud communications infrastructure designed for scalability.