Knock

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What it does

Notifications infrastructure that powers email, in-app, push, and Slack messages from one API.

Detailed overview

Knock is notifications infrastructure, design notification workflows once and deliver them across email, in-app feeds, push, SMS, and Slack from a single API, with batching, preferences, and templates handled for you. Notifications start as a quick feature and quietly grow into a tangle of channels, preferences, and edge cases nobody wants to maintain; Knock turns that into managed infrastructure, which makes it a fit for product engineers, platform teams, and SaaS companies scaling messaging. It's an actively developed product, a current homepage and docs, an in-app notification feed component, a visual workflow builder, and a steady release cadence.

Key features

• Multi-channel notifications
• In-app notification feed
• Visual workflow builder
• Preference management

Who it's for

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