Knock

Knock is a powerful notification system that helps teams ship product notifications in hours—not months. Designed for developers, Knock provides a flexible and scalable notification infrastructure, allowing businesses to engage users through email, in-app messages, push notifications, SMS, and Slack.

Key Features:

• A Unified API – Manage all notification channels effortlessly.
  
• Cross-Channel Workflows – Automate and customize your messaging sequences.
  
• Preference Management – Respect user settings while ensuring engagement.
  
• Enterprise-Grade Security – SOC 2 Type II, GDPR, and HIPAA compliance.
  
• Seamless Integration – SDKs for major languages and pre-built UI components.

Knock enables teams to send fewer, high-impact notifications while saving engineering time. Whether you’re a startup or an enterprise, Knock’s pay-as-you-go pricing ensures predictable costs as you scale.

Get started for free and transform your notification experience today!

For more information, visit Knock.