Knock vs Postmark
KnockNotification Infrastructure
PostmarkEmail Deliverability
$15+ / monthPublished price
Knock Notification Infrastructure Notification infrastructure for developers. | Postmark Email Deliverability Transactional email that actually reaches the inbox. | |
|---|---|---|
| Overview | ||
| Category | Notification Infrastructure | Email Deliverability |
| What it is | Knock is a notification infrastructure platform that provides APIs for building and managing multi-channel notification systems across in-app, email, push, SMS, Slack, and other channels. | Postmark is a transactional email service focused on fast, reliable delivery of application-generated emails like password resets, order confirmations, and notifications. |
| Pricing | ||
| Published price | Free: 10,000 messages/month Growth: $250/month - 100,000 messages, advanced features Enterprise: Custom - SLA, dedicated support | $15+ / month Contact Postmark for detailed pricing information. Plans typically scale based on team size and usage requirements. |
| Pricing model | Tiered plans | Tiered plans |
| Free options | Free plan · Free trial | Free plan · Free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2021 | 2009 |
| Team size | 11-50 employees | 11-50 employees |
| Headquarters | San Francisco, California | Philadelphia, Pennsylvania |
| Featured clients | Vercel, incident.io, Marigold | Basecamp, Doist, DuckDuckGo |