Bring next level realtime features to your apps. Simple, scalable, secure.

  • 18 Trillion Messages Delivered
  • 350k-Strong Developer Community
  • 99.997% API Uptime on every plan
  • Over 40 libraries and SDKs
  • Hundreds of tutorials

Publish

pusher->trigger('my-channel', 'my-event', [

'message' => 'hello world'

]);

pusher->trigger('my-channel', 'my-event', [

'message' => 'hello world'

]);

Subscribe

var channel = pusher.subscribe('my-channel');

channel.bind('my-event', function(data) {

alert('Received my-event with message: ' + data.message);

});

var channel = pusher.subscribe('my-channel');

channel.bind('my-event', function(data) {

alert('Received my-event with message: ' + data.message);

});

Explore more use cases for Channels

Discover what our other customers are building

Packed with powerful features

Managed WebSocket connections

Whether you have one connection or millions, ultra-low latency with automatic fallback means Channels works anywhere

Flexible and intuitive Pub/Sub messaging

We deliver billions of messages every month across browsers, mobile and IoT with our event-based API

Presence channels

Simple-to-use presence channels for user lists, collaboration, and more

Queryable API

Easily query application state, channel information, presence users and much more

Webhooks

Capture and respond to client events as they happen and use data to take user interaction to the next level

End-to-end encryption

You can trust our encryption and authenticity features to help you stay secure. Pusher is GDPR and HIPAA compliant

Find out more about Channels features

Over 250,000 developers worldwide

We’ve delivered over 18 trillion messages across thousands of apps. Discover how Pusher customers use realtime infrastructure to delight their users

“In our time working together, Pusher has been one of our most reliable technology partners in that we haven't experienced any issues or downtime. The service has been flawless, and their team is super knowledgeable and has been great to work with.”

Connor Theilmann

VP of Business Operations, ServiceTitan

We have everything you need to get you set up

Docs

Full reference of our APIs

Tutorials

Tutorials to help you get started

40+ SDKS

Bring our APIs to any tech stack

Trusted by giants. Loved by startups.

  • GDPR

    Pusher is GDPR compliant

  • Scalable

    Built to seamlessly scale

  • Realtime experts

    Delighting users since 2011

Start building with Channels today