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OneSignal is a high volume and reliable push notification service for websites and mobile applications. We support all major native and mobile platforms by providing dedicated SDKs for each platform, a RESTful server API, and an online dashboard for marketers.
Pin your app to iOS Lock Screens + Dynamic Islands—for up to 8 hours!—with Apple's Live Activities feature. Engage users with live info about a game, delivery, rideshare & more. Easily create them without significant dev time with OneSignal's API and SDK.
Make every email count. Build a strong domain reputation with OneSignal’s Email Auto Warm Up, so an email sent = an email received. Get started for free today.
