Introducing The Messaging Feedback API


There’s nothing worse than a delayed text message. Whether it’s a notification that your car arrived, a two-factor-authentication code or a response to a chat, it needs to arrive on time. Getting a message from point A to point B quickly is not a one-size-fits-all operation. After sending billions of text messages around the world, we learned delivery varies by geography, mobile operator, use case, and,… Read More

Simply Business Revamps Their Call Center With Twilio TaskRouter


Simply Business is the UK’s leading business insurance broker, protecting over 300,000 businesses and landlords in the UK. When their customers call in, they want to make sure they have the best experience possible — no long hold times, or repeating the same information over and over. To build a better customer experience, they built a better call center using Twilio TaskRouter. In the following post,… Read More

How I Taught My Dog to Text Selfies with an Arduino Yun


When Twilio launched Programmable MMS, I started to wonder if we could teach our dog to text us selfies. Thanks to the Arduino Yun and a whole bunch of treats, the answer is a resounding “Yes!”, as you can see in this amazing video from Keith Hopkin over at Mashable: What you see in the video is a cigar box (your local cigar shop probably sells empties for $2)… Read More

Testing SDKs at Twilio

The SDK Engineering group at Twilio is responsible for building and maintaining two real-time communications products – Twilio Client – a set of web and mobile SDKs for making and receiving VoIP calls, and Programmable Video – a set of SDKs for adding video chat capabilities to developers’ apps. We’ve seen first-hand how the testing requirements for building video SDKs differ vastly from those for typical… Read More

Introducing Sync – Real-time State Synchronization API

Synchronize web and mobile apps with a single source of state in the cloud.

Today we’re excited to introduce Sync, a purpose-built API for easily synchronizing state across devices and between users. State synchronization is a critical part of every application, but it’s a complex problem to solve in real-time, at scale. With Twilio Sync, developers can now spend their time building features for customers instead of building state synchronization infrastructure or customizing general purpose backend products. Sync is designed to… Read More

Twilio on Stack Overflow Documentation

Stack Overflow Documentation

As a developer, you quickly learn that your ability to excel (or maybe function at all) is strongly correlated with your Google-fu. Personally, when working across multiple programming languages and platforms, the exact incantation I need to display a UIAlertController or store an HTTP response in a cache is not found in the 32 kilobytes of RAM between my ears. So I turn to Google to… Read More

How To Build A Conference Line With Twilio


Another conference call, another app, another PIN, another log-in. Joining conference calls shouldn’t take more than a simple a call. In a few minutes minutes, you can build a conference line anyone and everyone can use easily, even if you’ve never written a line of code in your life. Let’s Build A Conference Line Go to and create a new account. Then go up to… Read More