Knock
Notification infrastructure for developers
Expert verdict
Ship
3-0The Panel's Take
Knock provides notification infrastructure — in-app, email, SMS, push, and Slack notifications through a single API. Workflow builder for complex notification logic.
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Knock verdict: SHIP 🚀 3 ships · 0 skips from the expert panel Full review: shiporskip.io/tool/knock
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<a href="https://shiporskip.io/api/badge-click/knock" target="_blank" rel="noopener"><img src="https://shiporskip.io/api/badge/knock" alt="Knock Ship verdict on ShipOrSkip" width="360" height="90" /></a>[](https://shiporskip.io/api/badge-click/knock)<iframe src="https://shiporskip.io/embed/knock" title="Knock ShipOrSkip verdict" width="360" height="260" style="border:0;border-radius:16px;max-width:100%;" loading="lazy"></iframe>The reviews
“One API for all notification channels. The workflow builder handles complex routing and preferences elegantly.”
“Building notification infrastructure from scratch is surprisingly complex. Knock handles preferences, batching, and multi-channel delivery.”
“Notification infrastructure as a service will become standard. Every app needs it, nobody wants to build it.”