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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.

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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.

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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.

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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)")
}
})
}
}