The PubNub Data Stream Network

Build and Scale Realtime Apps for Connected Devices.

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Easy to Use

Send and Listen to events within your app using our simple publish and subscribe API calls. Build your entire realtime app in minutes!

Build it with our quick start guide >

The time it took us to go from zero to deployment and the ease of not having to operate anything, made PubNub the right choice.
- Mauricio Alvarez, CTO and Co-Founder of Curriculet
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  1. // listen to events
  2.  
  3. PUBNUB.subscribe({
  4. channel : 'demo_channel',
  5. message : function(m){alert(m)}
  6. });
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  1. // send events
  2.  
  3. PUBNUB.publish({
  4. channel : 'demo_channel',
  5. message : 'Hello World!'
  6. });

Secure and Scale your Realtime Apps

Add realtime communications to your app without worrying about infrastructure. Use PubNub to Stream, Store, Sync, Protect, and Manage your data to any device, anywhere.

Learn about our Realtime Services >

Instant communication is critical in the INSTEON IoT solution. The addition of PubNubs services increases status speeds and reliable remote access.
- Carlos Anchia, Director of Software Development at Insteon

Supported Everywhere

Build apps for Mobile, Browser, Desktop, Server, or the Internet of Things. We have you covered because PubNub supports over 60 languages and development platforms in our SDKs.

View All SDKs >

The SDKs are great! We can point our developers directly to the SDKs which saves us a fair amount of implementation work. PubNub solves the scale problem for us.
- Suzanne Kaufman Software Development Manager at Autodesk
PubNub provides over 60 SDK's

Globally Scaled

Our global cloud allows you to build and deploy realtime apps with unmatched scalability, reliability, performance and service guarantees. We stream more than 3 million messages a second to 150 million devices a month, connecting everyone on earth in less than 0.25 seconds. With replication across 14 data centers, PubNub provides 99.999% SLAs.

See more about our Global Network >

PubNub allows us to have a very professional level of performance all around the world. As we get to larger scales, we can reach hundreds of thousands concurrently connected clients with no problem at all through PubNub.
- Liam Don CTO and Co-Founder of ClassDojo

Start Building Realtime Apps Now!

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