What is Twilio?

Twilio is an American cloud communications platform known for its Customer Engagement Platform (a developer platform for communications) and its application program interfaces (APIs) (a programmable set of tools developers can use to construct the customer experience they want).  

Developers can construct an omni-channel digital engagement experience with the Twilio Customer Engagement Platform including Whatsapp, SMS, Video, Email, and other capabilities throughout a user’s journey. 

Today, 9 million+ developers use Twilio to support the communications of over 190,000 businesses across 180 countries in order to power nearly 932 billion interactions every year.

How does Twilio manage to power so many interactions?

At the foundation of their Customer Engagement Platform is the Super Network. The Super Network ensures that all Twilio’s clients can communicate with their customers anytime, anywhere, and without a glitch.  

They achieve this by using various telecommunication carriers for each route to ensure messages and calls get through till the end. By using these multiple routes and running on a 24/7 operations center, Twilio creates an environment of redundancy and stability, constantly monitoring massive traffic volumes and detecting underlying issues before they emerge. 

Twilio’s Customer Engagement Platform

Here are a few key areas that makeup Twilio’s Customer Engagement Platform:

Marketing campaigns

The UI-based editor within Marketing Campaigns allows users to edit designs and drive results by tracking crucial metrics such as click-through and open rates. This helps companies stay in control of both transactional and marketing emails. 


Teams can build real-time, secure HD audio applications using WebRTC and cloud infrastructure, then customize them using Twilio’s Programmable Video to meet specific customer needs.


Teams can tackle deliverability challenges by using Twilio’s SendGrid API. The API offers tools, recommendations, and expert services to help people maximize their inbox placement after triggering an email.


With Twilio’s Super Network, there is no doubt that the recipient will receive your message. Besides ensuring that your messages will make it to the end (its recipient), this connectivity also enables the Twilio Customer Engagement Platform to scale effortlessly as your business grows.

User verification

Online fraud has grown exponentially over the years and can heavily influence how businesses operate. Twilio Verify can keep your online activity secure by having customers verify their identity when signing up and on an ongoing basis afterward (via SMS, email, and push notifications).

Twilio’s REST API

As previously mentioned, Twilio has a whole host of application program interfaces, from SMS to Voice to Wireless. Let’s briefly explore one of Twilio’s most known APIs: Twilio’s REST API.

The acronym REST stands for ‘Representational State Transfer,’ representing an architectural pattern describing how distributed systems expose a consistent interface. In other words, when people refer to a REST API, they are specifically referring to an API accessed via HTTP protocol at a defined set of URLs.

Twilio offers a variety of separate REST APIs for distributing messages, searching for phone numbers, making phone calls, and much more. Nevertheless, although each product within Twilio has its own API, you will be working with all of them in roughly the same way.

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