Knock
Knock is a notification infrastructure platform that simplifies SMS, email, push, and in-app message orchestration with a focus on developer experience and unified notification workflows.
Overview
| Category | Sms |
| Self-Hostable | No |
| On-Prem | No |
| Best For | startup, growth |
| Last Verified | 2026-02-13 |
Pricing
| Model | tiered |
| Free Tier | 10K messages, 500 guide active users
|
| Unit Price | $0.005 / messages |
| Source | pricing page |
Plans
| Plan | Monthly | Yearly | Includes |
|---|---|---|---|
| Developer | $0 | $0 | 10K messages, 500 guide active users, unlimited notification workflows, broadcasts, delivery channels, team members, and batch and delay notifications. |
| Starter | $250 | $3000 | 50K messages (additional messages charged at $0.005 each), 2.5K guide active users (additional users charged at $0.05 each), remove Knock branding. |
| Enterprise | $0 | $0 | Flexible volume-based pricing, discounts for high volume, per-customer branding, translation support, send analytics and observability data, directory sync (SCIM), enterprise SLAs, priority support. |
Strengths & Weaknesses
Strengths:- dx
- reliability
- customization
- Newer platform with smaller ecosystem
- Less SMS-specific features than dedicated providers
When to Use
Best when:- Need multi-channel notification orchestration
- Prefer developer-friendly setup
- Building complex workflows