Send push notifications
through your website.

Now Supporting Chrome, Safari, and Firefox*

OneSignal is trusted by top companies

449,618 clients-to-date and counting.

Making web push super easy

Powerful features to deliver better notifications.

15 Minute Setup

Our customers tell us they can't believe how easy it was to get started.

Third Party Integrations

Run a blog or e-commerce site? We have several plugins in the works, with more coming soon.

Free & Unlimited

Totally free and trusted by thousands of leading developers.

Real Time Tracking

Monitor the conversion of your notifications in real time.

A/B Test Messages

Deliver two test messages to a subset of users, then send the better one to the rest.

Segmentation Targeting

Create personalized notifications, and have them delivered to each user at the ideal time of day.


Bring loyal customers back with helpful notifications

Rebuild relationships by offering deals to inactive customers or new content to your blog's readers.


Help your sales team close online customers

Losing hard-earned customers is too easy. With OneSignal, you can see transactions through by offering a coupon to customers who added an item to their cart and left your store before completing their purchase.

Easy Opt-In

Make it easy for your users to opt-in.

Our customizable Notify Button makes it easy for your users to opt-in to notifications on your site and control their settings. Choose between auto-prompting, the Notify Button, or your own custom settings UI.

Browser Support

Chrome: Supported on Windows, Android, Mac OS X, and Linux. Not supported on iOS.

Safari: Supported only on Mac OS X. Not supported on iOS.

Firefox: Supported on Mac OS X, Windows, and Linux. Not supported on iOS.

Edge: Supported on Android. Coming soon on Windows.

View our table of supported browsers.