Knock provides a flexible notifications infrastructure that enables product and engineering teams to manage user engagement through a unified API, supporting channels like email, SMS, and in-app notifications. This system allows businesses to implement high-volume notification workflows quickly, reducing the time spent on building and maintaining messaging infrastructure.
Funding
$17.9M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Product
Problem
Building and maintaining a robust notification system that scales across multiple channels (email, SMS, in-app) requires significant engineering resources and infrastructure investment. Managing user preferences, ensuring reliable delivery, and adapting to evolving channel requirements further complicates the process.
Solution
Knock provides a notification infrastructure as a service, enabling product and engineering teams to streamline user engagement across multiple channels through a unified API. The platform offers tools to design, manage, and deploy notification workflows without the overhead of building and maintaining complex messaging infrastructure. Knock's features include a real-time notification inbox, version control, multi-environment support, and customizable branding options. By abstracting away the complexities of notification delivery, Knock allows teams to focus on core product development and deliver relevant notifications to users.
Target Audience
Knock is designed for product and engineering teams at companies of all sizes who want to implement and scale user notifications without building and maintaining their own notification infrastructure.
Features
- Unified API for managing notifications across email, SMS, push, and in-app channels
- Pre-built, real-time enabled notification inbox components for effortless in-app experiences
- Workflow designer for creating complex notification logic and multi-channel delivery sequences
- Versioning and environment support for testing and deploying notification changes
- Built-in tenancy model to support per-tenant feeds and custom branding
- Observability tools for monitoring API requests, workflow executions, and downstream message delivery
- Support for SAML 2.0 authentication and SCIM user provisioning
- SOC2 Type 2 certification, GDPR, and HIPAA compliance