"title": "What is OneSignal?"
OneSignal is a high volume and reliable push notification system for mobile and web applications. We support all major native and mobile platforms by providing dedicated SDKs for each platform, a RESTful server API, and an online dashboard to send push notifications.
"title": "How do I get started?"
- Over thirteen dedicated mobile and native platform SDKs
- A general-purpose [RESTful server API](doc:server-api-overview)
- An fully-featured [online dashboard](https://onesignal.com)
If you're targeting a specific platform, select it from the left sidebar.
If you're interested in our general purpose API, view our [Server REST API documentation](doc:server-api-overview).
If you have any questions, or you can't find what you're looking for, check out our [Frequently Asked Questions (FAQ)](http://documentation.onesignal.com/docs/frequently-asked-questions) or feel free to drop us a line! Email us at [firstname.lastname@example.org](mailto:email@example.com) or chat with us using the bright red button!