Knock
Overview
Added 03-28-2026
Knock handles all your customer messaging so you don't have to build notification infrastructure from scratch. It works with AI agents and code editors like Cursor, letting developers manage everything from their IDE. Product teams who hate wasting time on email servers and SMS providers will love this.
Key Features
- Works entirely from Cursor and Claude code editor
- Drag-and-drop messaging workflows with AI assistance built-in
- Cross-channel delivery across email SMS push chat in-app
- CLI that brings everything into your development workflow
- Real-time data ingestion from warehouses and product events
Use Cases
- Build onboarding sequences without touching email server configs
- Send transactional emails that don't land in spam
- Create in-app notifications using your existing React components
- Trigger SMS alerts based on user behavior automatically
- Let marketing teams edit messaging without developer involvement
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