PubNub

Sendbird

The company develops an application programming interface platform for businesses to integrate chat, voice, video and artificial intelligence agents into mobile and web applications.

CometChat

CometChat provides software development kits and application programming interfaces for developers to integrate text, voice and video messaging into websites and apps.

Ably

This company develops an infrastructure platform and APIs for synchronising realtime data across devices for software engineers and enterprise clients.

Twilio

This company provides cloud communication software and APIs for businesses to integrate messaging, voice and video into their applications.

Diffusion Software

Diffusion Software develops real-time data streaming and messaging platforms for enterprise customers to distribute live information across global networks and applications.

OneSignal

This company provides a messaging platform for businesses to send push notifications, SMS and emails to mobile and web application users.

Novu

This company provides open-source notification and communication infrastructure for software developers and AI agents to reach customers across multiple digital channels via one API.

46Elks

This company provides a communications API for developers to integrate SMS, MMS and automated voice calls into their software applications.