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Courier [Engineering]

Latest engineering blog posts

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rest-vs-graphql-header
ENGINEERING

Why You Can't Replace REST with GraphQL

The question isn’t necessarily which one is better to use, but which one is better to use for specific c...

Suhas Deshpande

July 08, 2021

how-to-create-notifications-for-mvp-thumbnail
ENGINEERING

How to Add a Notification System to your MVP

At the MVP stage, developers focus on finding product-market fit for their venture. On the one hand, thi...

Troy Goode

July 01, 2021

How Courier Exposes React Elements Thumbnail
ENGINEERING

How We Built React Components for Any Front End

To make sure teams don’t need to build an in-house solution for a notification systems problem, we adapt...

Riley Napier

June 30, 2021

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ENGINEERING

Who Knew Email Subjects Are So Complicated

Here is our journey into email subjects upon finding out that Microsoft Outlook didn’t work with certain...

Riley Napier

June 10, 2021

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INTEGRATIONS

The Three Things to Never Build In Your App: Authentication, Notifications, and Payments

In this post, we use Auth0’s post-user registration hook and Courier’s automations feature to learn how ...

Tejas Kumthekar

May 13, 2021

We Changed Datadog Header Thumbnail
ENGINEERING

How We Kept Datadog From Blowing Up Our AWS Bill

When Courier’s AWS billings suddenly increased, CTO Seth Carney discovered that data insights tool Datad...

Seth Carney

May 06, 2021

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ENGINEERING

Follow These Considerations For An Effective Push Notification System Design

Push notifications are generally an effective mechanism for user engagement, but it's no longer enough t...

Kevin Krige

April 01, 2021

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ENGINEERING

How to Design a Scalable Notification System

Creating the perfect notification strategy is like walking a tightrope of constantly changing do’s and d...

Kevin Krige

March 16, 2021

Best Push Notification Services Thumbnail
ENGINEERING

Top 6 Push Notification Services for Developers in 2021

Looking to send push notifications for your application? We compare the top push notification APIs for d...

Anastasia Orlova

March 11, 2021

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ENGINEERING

Build vs. Buy: What’s better for a transactional email notification service?

Comparing the advantages and disadvantages of building your own notification system for transactional em...

Kevin Krige

March 09, 2021

How to Send Email Using Python Thumbnail
ENGINEERING

Three Ways to Send Emails Using Python With Code Tutorials

Learn how to send an email in your Python application with SMTP, with a transactional email API, and wit...

Milan Bhardwaj

March 04, 2021

Sending emails in NodeJS
ENGINEERING

How to Send Emails with Node.js [3 Different Ways + Code Tutorials]

Learn how to send an email in your Node.js application with Nodemailer and SMTP, with a transactional em...

Adeyinka Adegbenro

February 23, 2021

Best transactional email API service (thumbnail image)
ENGINEERING

Top 6 Transactional Email Services for Developers in 2021

Looking to send transactional emails for your application? We compare the top transactional email API se...

Matthew Setter

February 09, 2021

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ENGINEERING

Twitch Notifications (Part Three): How to Create and Notify a List of Subscribers Using Courier

In this tutorial, Aydrian will show you how to extend the Node.js and Express app from part two to send ...

Aydrian Howard

February 04, 2021

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ENGINEERING

Twitch Notifications (Part Two): How to Send Notifications When Your Twitch Stream Goes Live

In this tutorial, Aydrian will show you how to listen for events from Twitch and then create and trigger...

Aydrian Howard

January 28, 2021

Twitch Notifications Part 1 Thumbnail
ENGINEERING

Twitch Notifications (Part One): How to Handle Real-Time Events from Twitch

This series will show you how to use Twitch EventSub and Courier to automatically send notifications to ...

Aydrian Howard

January 21, 2021

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ENGINEERING

Tips and Tricks to Set Up Your Apple M1 for Development

Software Engineer Chris Gradwohl details some tips and tricks around setting up a new Apple M1 machine f...

Chris Gradwohl

January 19, 2021

Brands-Courier-Hero-B
ENGINEERING

How to White Label Email Notifications for Multiple Brands

If you've ever had to whitelabel emails manually, you know how much of a headache that can be. Here's ho...

Riley Napier

December 15, 2020

How to send email attachments with S3 (B)
ENGINEERING

How to Send Emails with Attachments Using Amazon SES and S3

In this tutorial, you'll get a step-by-step walkthrough of how to add attachments to your transactional ...

Aydrian Howard

December 02, 2020

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ENGINEERING

Tutorial: How to Send Email in a Ruby App

In this tutorial, we’ll show you an easy way to add email functionality to your Ruby app. You’ll learn h...

Aydrian Howard

December 01, 2020

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ENGINEERING

Why We Are Moving off REST and Implementing GraphQL

We’re excited to be moving Courier’s internal infrastructure and eventually our customer-facing APIs to ...

Seth Carney

November 17, 2020

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ENGINEERING

How to Add a Direct Twilio SMS Integration With Sendgrid Emails

In this white paper, we share the strategies we have discovered through our work in building direct inte...

Troy Goode

October 27, 2020

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ENGINEERING

What to consider when standardizing your REST APIs

Recently, we’ve been working on standardizing some aspects of Courier’s REST APIs, such as naming conven...

Seth Carney

October 06, 2020

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ENGINEERING

Standardizing Message Status Across SendGrid, Twilio, Slack, Firebase, and More

I wanted to share how statuses work today in Courier and some of the things we thought through while bui...

Tony Nguyen

September 17, 2020

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ENGINEERING

Announcing the Courier Destination for Segment – Send Multi-Channel Notifications With No Code

We’re excited to announce the Courier destination for Segment is publicly available. Product teams can n...

Danny Douglass

November 10, 2020

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ENGINEERING

9 Ways Product Management Expectations Differ from Reality

As a former product manager, bright-eyed and bushy-tailed out of college, I remember clearly coming into...

Yehong Zhu

September 01, 2020

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ENGINEERING

How to Use The Shadow Dom To Isolate Styles on a DOM That Isnt Yours

Shadow DOM is an API for DOM encapsulation. It's perfect for when you need to embed a widget in a DOM yo...

Riley Napier

August 18, 2020

EDA Thumbnail Image
ENGINEERING

Why Event Driven Architecture Works for Courier

Event-Driven Architecture: how it works, why we use it at Courier, and what our experience has been like...

Tony Nguyen

August 11, 2020

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Email & push notification

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