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The fastest way to ship mobile notifications

Use our SDKs, APIs, and embeddable UIs to create cross-channel notification experiences for iOS and Android apps.

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ios and Android SDKs

Swift
Kotlin
Flutter
React Native
Push Notifications

class AppDelegate: KnockAppDelegate {
// Token management
override func registerTokenForAPNS()
override func unregisterTokenForAPNS()
override func getNotificationPermissionStatus()
override func requestAndRegisterForPushNotifications()
// Engagement helpers
override func pushNotificationDeliveredInForeground()
override func pushNotificationDeliveredSilently()
override func pushNotificationTapped()
// Authentication
override func signIn()
override func signOut()
}
Cross-channel workflow engine

Trigger

New comment

Branch

Is user offline?

Offline
Default

Send push notification

Send to APNS

Send M-F 9am-5pm

Delay

For 30 minutes

SendGrid

Send email summary

Send to SendGrid

If push not tapped

Notify in-app

Send to Knock in-app