Knock is an infrastructure provider that offers a suite of APIs and tools designed to simplify and streamline the process of building in-app and cross-channel notifications. It helps developers send notifications through various channels (e.g., in-app, push, email, SMS) without managing complex infrastructure, message queuing, or delivery guarantees. Developers use Knock to decouple notification logic from the core application code, which makes applications easier to maintain and scale.
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