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POWERING REALTIME EXPERIENCES FOR MOBILE AND WEB

Bi-directional hosted APIs that are flexible, scalable and easy to use. We
create and maintain complex messaging infrastructure so you can build the
realtime features your users need, fast.

Bi-directional hosted APIs that are flexible, scalable and easy to use.

Get started today and find out what you can build with Pusher

Use CasesGet your free account
PubsubNotifications


PUBLISH

PHPNodeRubyASPJavaPythonGo

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


  'message' => 'hello world'


]);

PHPNodeRubyASPJavaPythonGo

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


  'message' => 'hello world'


]);

pusher.trigger('my-channel', 'my-event', {


  "message": "hello world"


});

pusher.trigger('my-channel', 'my-event', {


  message: 'hello world'


})

pusher.Trigger('my-channel', 'my-event', new {


  message = "hello world"


});

pusher.trigger("my-channel", "my-event", Collections.singletonMap("message", "hello world"));

pusher.trigger('my-channel', 'my-event', {


  'message': 'hello world'


})

pusher.Trigger("my-channel", "my-event", map[string]string{


  "message": "hello world",


})


SUBSCRIBE

JSAndroidiOS (Swift)iOS (Obj-C)

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


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


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


});

JSAndroidiOS (Swift)iOS (Obj-C)

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


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


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


});

Channel channel = pusher.subscribe("my-channel");


channel.bind("my-event", new SubscriptionEventListener() {


  @Override


  public void onEvent(String channel, String event, String data) {


    System.put.println("Received event with data: " + data);


  }


});

let channel = pusher.subscribe("my-channel")




channel.bind(eventName: "my-event", callback: { (optionalData: Any?) -> Void in


  if let data = optionalData {


      print("Received event with data: \(data)")


  }


})

PusherChannel *channel = [pusher subscribeWithChannelName:@"my-channel"];




[channel bindWithEventName:@"my-event" callback:^void (NSDictionary *data) {


    NSString *message = data[@"message"];


    NSLog(@"message received: %@", message);


}];

Learn more


PUBLISH API

Node.JSGoPythonJavaKotlinRuby

const beamsClient = new PushNotifications({


  instanceId: 'YOUR_INSTANCE_ID_HERE',


  secretKey: 'YOUR_SECRET_KEY_HERE'


});




beamsClient.publishToInterests(['hello'], {


  apns: {


    aps: {


      alert: 'Hello!'


    }


  },


  fcm: {


    notification: {


      title: 'Hello',


      body: 'Hello, world!'


    }


  }


}).then((publishResponse) => {


  console.log('Just published:', publishResponse.publishId);


}).catch((error) => {


  console.error('Error:', error);


});

Node.JSGoPythonJavaKotlinRuby

const beamsClient = new PushNotifications({


  instanceId: 'YOUR_INSTANCE_ID_HERE',


  secretKey: 'YOUR_SECRET_KEY_HERE'


});




beamsClient.publishToInterests(['hello'], {


  apns: {


    aps: {


      alert: 'Hello!'


    }


  },


  fcm: {


    notification: {


      title: 'Hello',


      body: 'Hello, world!'


    }


  }


}).then((publishResponse) => {


  console.log('Just published:', publishResponse.publishId);


}).catch((error) => {


  console.error('Error:', error);


});

const (


  instanceId = "YOUR_INSTANCE_ID_HERE"


  secretKey  = "YOUR_SECRET_KEY_HERE"


)




beamsClient := pushnotifications.New(instanceId, secretKey)




publishRequest := map[string]interface{}{


  "apns": map[string]interface{}{


    "aps": map[string]interface{}{


      "alert": map[string]interface{}{


        "title": "Hello",


        "body":  "Hello, world",


      },


    },


  },


  "fcm": map[string]interface{}{


    "notification": map[string]interface{}{


      "title": "Hello",


      "body":  "Hello, world",


    },


  },


}




pubId, err := beamsClient.PublishToInterests([]string{"hello"}, publishRequest)


if err != nil {


  fmt.Println(err)


} else {


  fmt.Println("Publish Id:", pubId)


}

beams_client = PushNotifications(


  instance_id='YOUR_INSTANCE_ID_HERE',


  secret_key='YOUR_SECRET_KEY_HERE',


)




response = beams_client.publish_to_interests(


  interests=['hello'],


  publish_body={


    'apns': {


      'aps': {


        'alert': 'Hello!',


      },


    },


    'fcm': {


      'notification': {


        'title': 'Hello',


        'body': 'Hello, world!',


      },


    },


  },


)




print(response['publishId'])

String instanceId = "YOUR_INSTANCE_ID_HERE";


String secretKey = "YOUR_SECRET_KEY_HERE";




PushNotifications beamsClient = new PushNotifications(instanceId, secretKey);




List<String> interests = Arrays.asList("donuts", "pizza");




Map<String, Map> publishRequest = new HashMap();




Map<String, String> alert = new HashMap();


alert.put("alert", "hi");


Map<String, Map> aps = new HashMap();


aps.put("aps", alert);


publishRequest.put("apns", aps);




Map<String, String> fcmNotification = new HashMap();


fcmNotification.put("title", "hello");


fcmNotification.put("body", "Hello world");


Map<String, Map> fcm = new HashMap();


fcm.put("notification", fcmNotification);


publishRequest.put("fcm", fcm);




beamsClient.publishToInterests(interests, publishRequest);

val instanceId = "YOUR_INSTANCE_ID_HERE"


val secretKey = "YOUR_SECRET_KEY_HERE"




val beamsClient = PushNotifications(instanceId, secretKey)




val interests = listOf("donuts", "pizza")


val publishRequest = hashMapOf(


  "apns" to hashMapOf("aps" to hashMapOf("alert" to "hi")),


  "fcm" to hashMapOf("notification" to hashMapOf("title" to "hello", "body" to "Hello world"))


)




beamsClient.publishToInterests(interests, publishRequest)

Pusher::PushNotifications.configure do |config|


  config.instance_id = 'YOUR_INSTANCE_ID_HERE'


  config.secret_key = 'YOUR_SECRET_KEY_HERE'


end




data = {


  apns: {


    aps: {


      alert: {


        title: 'Hello',


        body: 'Hello, world!'


      }


    }


  },


  fcm: {


    notification: {


      title: 'Hello',


      body: 'Hello, world!'


    }


  }


}




Pusher::PushNotifications.publishToInterests(interests: ['hello'], payload: data)

Learn more


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VP of Business Operations, ServiceTitan

> “The developer experience for us was fantastic. When we’re working with Pusher
> not only do we have the trusted infrastructure partnership, we also have all
> of the documentation, the snippets, the client side library which has
> fallbacks and stuff. It makes life a lot easier.”

Jeremy Bowers

Director of Engineering, The Washington Post

> “We struggled with a lot of our infrastructure to handle a sudden spike in
> load. We’ve had to engineer a lot of complexity there to solve that. We
> haven’t had to do that with Pusher.”

Peter Hamilton

Head of Technology, Remind




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