Add Voice Calling And Messaging To Your App

No strings attached. Pay as you grow

Quick sign up. No credit card needed.

Build voice and messaging apps in the cloud


Give your users more ways to connect with voice. From app-to-app to app-to-phone calling, Sinch offers powerful voice solutions that enable HD quality calls across the globe.

Read more


Add instant messaging to your app with just a few lines of code so that your users can connect with each other in real time.

Read more


Reach your customers reliably with the Sinch SMS API. Sinch uses Tier-1 carriers at market leading prices, starting from 0.5¢.

Read more

Sinch has connected

4 , 0 0 0 , 0 0 0 , 0 0 0


With low prices in over 230 countries and 99.95% uptime, you're in safe hands. Powering businesses like Tango and Truecaller.

Designed For Developers

What People Are Saying About Sinch

"Sinch gives us a mix of fantastic quality and solid reliability that an app like Rebtel needs!" Anna Alenius-Mathson, Head of Communications at Rebtel
"We tested the market thoroughly, and we ultimately chose Sinch because of their high quality product, ability to scale, and excellent level of customer service." Eric Setton, Co-Founder & CTO of Tango
"Sinch has created a service that has been very helpful to our company. It’s easy to integrate, easy for our users, and provides great results." Alan Mamedi, CEO & Founder of Truecaller

In The Press

Get Started