Build realtime features your users love

We solve complex realtime infrastructure problems so you don’t have to

Powerful features to help you Build interactive apps

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Managed websocket connections

Whether you have 5 concurrent connections or 10 million, our infrastructure handle scale to your needs in an instant.

Flexible pub/sub messaging

Instantly update browsers, mobiles and IoT devices with our simple, event-based API.

Live user lists (presence)

Presence channels enable you to show the online/offline status of your users in realtime - build in chat and collaboration in a cinch.

Access control/Authentication

Mechanism for controlling who has access to given channels, seamlessly integrating with your existing authentication strategies.

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get started with channels in seconds

Social

Update product UI in realtime and keep your users more engaged.

Collaboration

Instantly update browsers, mobiles and IoT devices with our simple, event-based API.

Location

Update journeys, deliveries & more in realtime to keep users informed.

Realtime graphs

Update your UI as soon as data is available so users don’t miss a thing.

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We love developers

With 40+ libraries and 100+ tutorials we make it easy for developers to build what they want.

Explore our docs
  • Php
  • Node
  • Ruby
  • ASP
  • Java
  • Python
  • Go

Publish

12
<?php $pusher->trigger('my-channel', 'my-event', array('message' => 'hello world'));
  • JS
  • Android
  • iOS(Swift)
  • iOS(Obj-C)

Subscribe

1234
var channel = pusher.subscribe('my-channel'); channel.bind('my-event', function(data) { alert('Received my-event with message: ' + data.message); });

250,000 developers and Help Scout trust us

“We needed to focus on our features and app and not on plumbing and operations for a unique component in our stack - so we turned to you—the experts—and it worked out great”

Chris Brookins

CTO, Help Scout

250,000 developers and Help Scout trust us

Each month, we send more than 800 billion messages to 9 billion devices across the world

Developer

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Our Enterprise packages are individually tailored to your needs.

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Pusher Limited is a company registered in England and Wales (No. 07489873) whose registered office is at 28 Scrutton Street, London EC2A 4RP.