Knock

Knock provides flexible, reliable notifications infrastructure built to scale with your application. With Knock's APIs and SDKs, you can:

• Engage users across channels: Start with email and in-app notifications, then easily add push, SMS, and Slack as needed.
• Build powerful workflows: Use Knock's primitives to create complex, cross-channel notification logic that respects user preferences.
• Move fast: Ship product notifications in hours, not months. Knock handles the infrastructure so you can focus on your core product.
• Scale effortlessly: Knock is built for enterprise-level scale and can handle high notification volumes without requiring engineering resources.
• Customize the experience: Use pre-built UI components or fully customize the notification experience to match your brand.

Key features include:

• Unified API for all notification channels
• SDKs for major programming languages
• Workflow versioning and testing tools
• Observability and analytics
• Multi-tenancy support
• Enterprise-grade security and compliance

With Knock, you get a complete toolkit for product notifications, allowing you to create engaging, personalized notification experiences without the headache of building complex infrastructure from scratch.