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Notifications founded 2021

Knock

Notification infrastructure with workflow engine.

overview

Knock is a workflow-based notification platform: define workflows in code or visually, route across channels (email, push, SMS, in-app), and let users manage preferences. Email is delivered via your provider of choice.

deliverability

Inherits the deliverability of the provider you BYO (Postmark, SendGrid, Resend).

best for

Teams that need multi-channel product notifications with preferences.

pros
  • Strong workflow engine
  • In-app feed component
  • Deep SDK coverage
  • Idempotency keys
cons
  • Pricier than running your own; entry plan is steep
  • Bring your own delivery provider

Features at a glance

API Yes
SMTP No
SDKs node, python, go, ruby, php, elixir, java, dotnet
Webhooks Yes
Templates rich
React Email Yes
Batch send Yes
Scheduled send Yes
Suppressions Yes
Multi-tenant Yes
Inbound parsing No
Event stream Yes
Idempotency keys Yes
Dedicated IP No

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