The Knock blog

We write about all things notifications and anything else we think founders and builders might find useful.

Build vs buy: a guide for notification systems

A complete guide for what to consider if you're evaluating whether to build your own notification system or use a third-party vendor.

Sam Seely
Sam Seely12 August 2022, 16 min read

Zendoor saves engineering time and powers 80+ notification workflows with Knock

How Zendoor shipped cross-channel notifications with Knock to drive communication in their rental property marketplace.

Sam Seely
Sam Seely28 July 2022, 7 min read

How we onboard engineers at a devtools startup

A behind-the-scenes look at how we onboard new engineers at Knock, and the principles we use to do so.

Chris Bell
Chris Bell21 July 2022, 12 min read

An introduction to in-app notifications and why your product needs them

We take a deep look into different types of in-app notifications, why they're valuable for your product, and what you need to build them.

Chris Bell
Chris Bell16 June 2022, 7 min read

Controlling Elixir supervisors at runtime with feature flags

A look at how Knock uses Elixir and feature flags to adapt our software at runtime.

Brent Anderson
Brent Anderson16 June 2022, 7 min read

Building a batched notification engine

A deep dive on how to design and build a batched system for your product notifications.

Chris Bell
Chris Bell01 June 2022, 10 min read

Software Engineering Daily: Notifications Infrastructure with Chris Bell

Our CTO, Chris Bell, was recently interviewed on the popular Software Engineering Daily podcast where he discussed all things Knock.

Chris Bell
Chris Bell25 May 2022, 1 min read

Announcing Knock

Today we're thrilled to announce the public launch of Knock's product notifications infrastructure for developers.

Sam Seely
Sam Seely17 March 2022, 9 min read

VendorPM powers faster marketplace response times and drives gross merchandise volume with Knock

How VendorPM used Knock to gain visibility into their notification system and double the response rate in their marketplace.

Sam Seely
Sam Seely15 March 2022, 7 min read

Standard Metrics drives investor-founder collaboration and increases report compliance with Knock

How Standard Metrics used Knock's in-app feed to enable investor-founder collaboration and increase report compliance.

Sam Seely
Sam Seely09 March 2022, 5 min read

How we use Postgres LTrees to surface API logs

Postgres ships with the Label Tree data type. How Knock uses LTrees for fast API log search.

Brent Anderson
Brent Anderson23 February 2022, 7 min read

Announcing our SOC 2 Type 2 certification

We're thrilled to announce that we have achieved a SOC 2 Type 2 certification after recently completing our audit period.

Chris Bell
Chris Bell01 February 2022, 2 min read

How to design great keyboard shortcuts

How to save time for your users by choosing memorable, conflict-free keyboard shortcuts.

Sam Seely
Sam Seely17 November 2021, 12 min read

How we work: moving fast to ship customer value

A peek behind the curtain at Knock. How we work to optimize for shipping customer value, quickly.

Chris Bell
Chris Bell25 October 2021, 10 min read

How to send great collaboration notifications

How to send delightful collaboration notifications and accelerate the engagement loops in your product.

Sam Seely
Sam Seely11 October 2021, 9 min read

Using the Knock notification component to add an in-app feed to your product

A look into how to set up and use Knock's in-app feed component.

Chris Bell
Chris Bell15 September 2021, 8 min read

The notifications you need to be enterprise-ready

The role that notifications play in enterprise-ready workflows.

Sam Seely
Sam Seely30 August 2021, 12 min read

The three notifications you need to drive basic authentication

The role that notifications play in signup and login flows.

Sam Seely
Sam Seely18 August 2021, 5 min read

The three notifications you need to drive product-led growth

The role that notifications play in growth loops and a few real examples you can use in your own product.

Sam Seely
Sam Seely29 July 2021, 7 min read

Using Knock to power Knock's notifications

Getting meta and showing the power of Knock to build our member invite feature.

Chris Bell
Chris Bell02 June 2021, 5 min read

Why notifications matter

On why we started Knock.

Sam Seely
Sam Seely27 May 2021, 7 min read