Real-time Apps at Scale

Build low-latency secure chat consumer IoT global messaging live community delivery tracking realtime applications that perform reliably and securely, at global scale.

Free Trial Request a Demo

New eBook! A World Transformed: Next Generation Apps with Cognitive Services

Trusted by 2,000 companies worldwide.

USE CASE

Chat

Build powerful and feature-rich realtime chat apps, powered by ﬂexible APIs and a global messaging infrastructure. Cross-device and cross-platform means they work across web, iOS, Android, and the rest.

Explore Chat

USE CASE

IoT Device Control

Securely monitor, control, provision and stream data between smart devices, sensor networks, hubs, and more. Trigger device action, monitor meta data, or stream and process incoming and outgoing data. PubNub provides the infrastructure and APIs for communication for any size IoT deployment.

Explore IoT Device Control

USE CASE

Realtime Updates

Keep everyone, and every device realtime. From mapping, geotracking and dispatch, to broadcasting push notifications and up-to-the-millisecond alerts, when something happens in the real world, it's reflected in your app.

Explore Realtime Updates

JavaScript
.Net
Obj-C
Swift
Android/Java

// send a message
pubnub.publish({
channel: 'chatChannel',
message: { foo : 'bar' }
}, function ( status, response ) {
console.log( status.error, response )
})

Dictionary<string, string> chatMessage = new Dictionary<string, string>();
chatMessage.Add("foo", "bar");
pubnub.Publish<string>(
channel:"chatChannel",
message: chatMessage,
userCallback: DisplayPublishReturnMessage,
errorCallback: DisplayErrorMessage);

- (void)client: (PubNub *)client didReceiveStatus: (PNStatus *)status {
if (status.operation == PNSubscribeOperation && status.category == PNConnectedCategory) {
[self.client publish: @{@"foo": @"bar"} toChannel: @"chatChannel"
withCompletion:^(PNPublishStatus *publishStatus) {
if (!publishStatus.isError) {
NSLog(@"Published!");
}
else {
NSLog(@"Publish did fail with error: %@",
status.errorData.data?: status.errorData.information);
}
}];
}
}

func client(client: PubNub, didReceiveStatus status: PNStatus) {
if status.operation == .SubscribeOperation && status.category == .PNConnectedCategory {
client.publish(["foo": "bar"], toChannel: "chatChannel",
withCompletion: { (publishStatus) in
if !publishStatus.error {
print("Published!")
}
else {
print("Publish did fail with error: \(status.errorData.data ?? status.errorData.information)")
}
})
}
}