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Build realtime features your users love

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

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Powerful features to help you Build interactive apps

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Managed websocket connections

Whether you have 5 concurrent connections or a million, our infrastructure scales to your needs.

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.

Privacy and security

Private channels let your existing auth system say who can subscribe. End-to-end encryption prevents even Pusher from reading your messages.

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Channels is versatile

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.

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PHP
Node
Ruby
ASP
Java
Python
Go

Publish

123
pusher->trigger('my-channel', 'my-event', [
  'message' => 'hello world'
]);

JS
Android
iOS(Swift)
iOS(Obj-C)

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”