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Twilio sells software tools that let other companies send texts, make phone calls, and run customer communications over the internet.
Twilio is a software company that gives other businesses the building blocks to talk to their customers. When you get a text saying your package is out for delivery, or a code to log into an app, or a call from your bank, there is a decent chance Twilio's hidden plumbing made that happen. It rents out the ability to send messages, make calls, and run video or email, so a company doesn't have to build its own phone network from scratch.
The core idea is simple. Twilio runs a set of small programs that developers plug into their own apps with a few lines of code. A company pays Twilio for each message sent, each minute of a call, and each email delivered, plus fees for extra tools. The famous early customers were tech startups and app makers who needed to add texting or calling fast. Over time it moved into bigger customers like banks, airlines, and retailers, who use Twilio for things like appointment reminders, two-factor login codes, and customer support. Competitors include big cloud players and messaging specialists like Vonage and Bandwidth, but Twilio's edge is a huge developer community and a wide menu of tools in one place. The business has a messy side. Twilio grew fast by buying other companies, ran up big losses for years, and then had to cut costs hard. A well-known example: in 2022 it laid off a chunk of staff, and its CEO announced the news in a painfully awkward company memo that leaked publicly. Twilio also went through several rounds of restructuring to turn itself toward profit. The company has been pushing higher-margin software products, like its customer data and engagement tools, rather than just the low-margin business of routing messages through telecom carriers.
In 2008, Jeff Lawson and two co-founders started Twilio with a simple goal: let any company automate texts, phone calls, and video to its users. Then the money dried up. A funding meeting set for the day Lehman Brothers collapsed fell apart, and the founders had to borrow from family and friends just to build a first version. When even that ran out, Lawson sold his wedding presents to keep the lights on.
Twilio launched its Voice API that same year, letting developers make and receive phone calls entirely in the cloud. To get noticed, the team pulled a prank on TechCrunch's founder, and the stunt caught the eye of Sony Music, which became a client. That first real customer helped Twilio raise a seed round from investors who had said no before.
Twilio made its first acquisition, buying Authy, a small startup that added a second layer of security when people log in. The plan was to fold that identity check into Twilio's APIs, so its communications platform could also confirm who was on the other end.
In 2016 Twilio listed on the New York Stock Exchange, and the stock nearly doubled on its first day. The company had grown from a scrappy, cash-strapped startup into a publicly traded cloud communications business.
Twilio announced it would buy SendGrid, an email platform, and the deal closed a few months later at around $3 billion. That took Twilio beyond calls and texts and into email, giving it another major way to reach customers.
Next came Segment, a customer data platform, bought for about $3.2 billion. Twilio hoped Segment would be the centerpiece of a move up-market, turning it into a software and data company rather than just a seller of communications tools.
In early 2021 Twilio's stock hit an all-time high, valuing the company at roughly $70 billion, about 25 times its revenue. Then the climb reversed hard: growth cooled, margins shrank, and higher interest rates squeezed the value of fast-growing tech stocks. The shares eventually fell nearly 90% from that peak.
In 2022 an attacker got into Twilio's internal network by phishing employees with text messages, touching a limited number of customer accounts. That same stretch brought deep layoffs, first cutting about a tenth of the workforce and then, a few months later, nearly another fifth. The message was clear: the era of growth at any cost was over, and profitability was the new goal.
After 15 years, founder Jeff Lawson stepped down as CEO and left the board in early 2024, handing the job to Khozema Shipchandler. The new boss pushed hard on cost cuts and margins, and the board wanted Twilio refocused on its core communications business after Segment struggled to deliver.
In late 2025 Twilio agreed to buy Stytch, an identity platform built for AI agents. The deal built on Twilio's identity and verification services, as the company pitched itself as the trust layer for conversations between businesses, consumers, and autonomous AI agents.
Under Shipchandler, Twilio stacked faster-growing, higher-margin products like Verify, Voice AI, and email on top of its core network, and the stock nearly doubled in 2026. Organic revenue growth hit its fastest pace since 2022, with voice sales up sharply as AI voice use cases took off, and the company closed the third quarter with record revenue and cash flow, then raised its outlook for the year.
One of its biggest bets was buying Segment, a customer data platform, for over $3 billion in 2020. That gave Twilio a way to help companies understand who their customers are and target them better. More recently Twilio has focused on its data and communications products together, selling to large enterprises, and it has been buying back stock as it generates more cash. Investors still watch closely whether Twilio can grow steadily without the wild spending of its early years. In short, it is a picks-and-shovels company for the modern customer conversation, earning a sliver on every message and call that flows through its pipes.
Saved answer · last researched 30 Oct 2026