Knock

Notification orchestration. Instead of managing 5 different APIs (SendGrid, Twilio, APNS), you send one call to Knock and it routes/batches/delays messages to all channels.

GrowingLow lock-in

Pricing

Free tier

Usage-based

Adoption

Stable

License

Proprietary

Data freshness

Overview

What is Knock?

Flexible notification infrastructure for developers.

Key differentiator

Notification orchestration. Instead of managing 5 different APIs (SendGrid, Twilio, APNS), you send one call to Knock and it routes/batches/delays messages to all channels.

Honest assessment

Strengths & Weaknesses

↑ Strengths

Cross-channel notifications

Catalog data

In-app feed engines

Catalog data

↓ Weaknesses

Simple one-off email sending (use Resend)

Catalog data

Marketing campaigns (use Customer.io)

Catalog data

Fit analysis

Who is it for?

✓ Best for

Cross-channel notifications

Recommended use case

In-app feed engines

Recommended use case

✕ Not a fit for

Simple one-off email sending (use Resend)

Not recommended

Marketing campaigns (use Customer.io)

Not recommended

Cost structure

Pricing

Free Tier

Available

10,000 monthly messages free

Starts at

$250/mo (Starter)

Model

Usage-based

Enterprise

Available

View full pricing details ↗

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Works well with

Next step

Get Started with Knock

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →