Push Notifications Delivered
The market leader in customer engagement, powering mobile + web push, email, SMS & in-app messages.
No credit card required
With more than 60 owned and operated sports sites, the USA Today Sports Media Group relies on OneSignal to get the right content in front of the right fans. From notifications on desktop browsers to targeted deep-links into our SportsWire app, OneSignal has made engaging our readers fast, simple and effective.
Everything You’re Looking For
It’s never been easier to connect with customers.
15 Minute Setup
Our users are always shocked at how easy it is to get started.
Real-Time Reporting
View delivery and conversion performance for every message.
Incredible Scalability
Millions of users? No problem. We send out billions of notifications daily.
A/B Testing
Compare message performance and automatically send the best.
Superior Segmentation
Create personalized messages and send them to the right audiences.
Automated Messaging
Set it and forget it. You can trigger notifications based on user behavior.
Intelligent Delivery
Leverage machine learning to send your messages at the optimal time.
Analyze Results Anywhere
Our SDKs are open source and every component is accessible via API.
Limitless Integrations
OneSignal integrates with leading technology companies.
Built for Developers
Our founders were app developers first. We couldn’t find any great push notification tools so we built OneSignal.
Code in the language you know with any development environment.
All in less than 10 lines of code.
import OneSignal
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
OneSignal.initWithLaunchOptions(launchOptions,
appId: "YOUR_APP_ID",
handleNotificationAction: nil,
settings: [kOSSettingsKeyAutoPrompt: false])
OneSignal.inFocusDisplayType = OSNotificationDisplayType.notification;
OneSignal.promptForPushNotifications(userResponse: { accepted in
print("User accepted notifications: \(accepted)")
})
return true
}import com.onesignal.OneSignal;
public class YourAppClass extends Application {
@Override
public void onCreate() {
super.onCreate();
OneSignal.startInit(this)
.inFocusDisplaying(OneSignal.OSInFocusDisplayOption.Notification)
.unsubscribeWhenNotificationsAreDisabled(true)
.init();
}
}<head>
<link rel="manifest" href="/manifest.json">
<script src="https://cdn.onesignal.com/sdks/OneSignalSDK.js" async></script>
<script>
var OneSignal = window.OneSignal || [];
OneSignal.push(["init", {
appId: "YOUR_APP_ID"
}]);
</script>
</head>import OneSignal from 'react-native-onesignal';
export default class App extends Component {
constructor(properties) {
super(properties);
OneSignal.init("YOUR_APP_ID");
OneSignal.addEventListener('opened', this.onOpened);
}
componentWillUnmount() {
OneSignal.removeEventListener('opened', this.onOpened);
}
onOpened(openResult) {
console.log('Message: ', openResult.notification.payload.body);
console.log('openResult: ', openResult);
}
}using System.Collections.Generic;
void Start() {
OneSignal.StartInit("YOUR_APP_ID")
.HandleNotificationOpened(HandleNotificationOpened)
.EndInit();
OneSignal.inFocusDisplayType = OneSignal.OSInFocusDisplayOption.Notification;
}
private static void HandleNotificationOpened(OSNotificationOpenedResult result) {
// use notification opened result here
}void main() {
OneSignal.shared.init("YOUR_APP_ID", {
OSiOSSettings.autoPrompt: false
});
OneSignal.shared.setInFocusDisplayType(OSNotificationDisplayType.notification);
OneSignal.shared.promptUserForPushNotificationPermission();
}Code in any language. We provide native support for every development environment.