Knock
AI-native platform to send emails, SMS, push and in-app notifications. Unify your data, automate workflows and personalize every message.
Knock is a messaging infrastructure built for product, marketing, and engineering teams. The platform centralizes transactional, marketing, and product messaging from a single place, with an AI-native approach that lets you build complex workflows in minutes.
With Knock, you can send messages across every channel — email, SMS, push, chat, and in-app notifications — without juggling multiple tools. The workflow engine lets you create sophisticated messaging journeys (delays, batching, conditions, branches) directly from the dashboard or via the API.
The platform stands out with:
- Data integration from your warehouse, CDP, or webhooks to trigger contextual messages
- In-app components (paywalls, dialogs, nudges) editable by non-technical teams
- SDKs available in Node, Python, Ruby, Go, Java, .NET, Elixir, and PHP
- Compliance: HIPAA, SOC2, GDPR, and CCPA with 99.99% guaranteed uptime
Knock natively integrates with AI editors like Cursor and Claude Code, and offers versioning, CI/CD, and built-in observability for engineering teams.
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Frequently Asked Questions
- What is Knock?
- Knock is an online tool in the Développement category. AI-native platform to send emails, SMS, push and in-app notifications. Unify your data, automate workflows and personalize every message.
- Is Knock free?
- Knock offers a free plan with basic features. Paid plans are available for advanced functionality.
- What category does Knock belong to?
- Knock belongs to the Développement category.
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