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Knock
The most powerful notification system you'll never build

Knock
Freemium
From 250$

Home: https://knock.app

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What is Knock?

Knock delivers enterprise-grade notification infrastructure that enables businesses to manage and scale their notification systems efficiently. The platform combines powerful primitives with flexible APIs to create sophisticated notification logic that prioritizes user experience and relevance.

Built with developers in mind, the system offers comprehensive SDKs, real-time enabled components, and robust features including batching, cross-channel delivery, and preference management. It maintains SOC2 Type 2 certification and compliance with GDPR and HIPAA standards, ensuring enterprise-level security for customer data.

Features

  • Unified API: Single API interface for all notification types
  • Cross-Channel Delivery: Support for multiple notification channels including email and in-app
  • Real-time Inbox: Pre-built, real-time enabled notification components
  • Workflow Management: Custom notification logic and batching capabilities
  • Enterprise Security: SOC2 Type 2, GDPR, and HIPAA compliant
  • Version Control: Commit, reset, and audit change capabilities
  • Multi-tenancy Support: Built-in tenancy model for custom branding
  • Testing Framework: Comprehensive testing tools for complex notification workflows

Use Cases

  • Product notification system implementation
  • Cross-channel user engagement
  • Enterprise notification management
  • Custom branded notification experiences
  • Real-time activity feeds
  • User preference management

FAQs

  • What counts as a notification sent for usage billing purposes?
    A notification sent is a single notification delivered to a single user on a single channel. For example, if a workflow triggers both an in-app message and an email, that counts as two notifications sent.
  • Do you offer volume discounts?
    Yes, volume discounts are available on the enterprise plan.
  • Does Knock sign BAAs for HIPAA-compliant customers?
    Yes, Knock is HIPAA compliant and will sign BAAs for Enterprise plan customers.
  • What happens if I exceed the free plan limit without a billing method?
    Knock doesn't hard cap notifications. If you exceed your limit, they'll contact you about setting up a billing method for the following month.
  • Do I still pay for downstream messaging services with Knock?
    Yes, Knock does not currently manage billing for downstream platform providers that deliver notifications.

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