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102 articles
Articles about Engineering from the Courier developer blog.

How to Set Up Your Apple Silicon Mac for Development (M1, M2, M3 Guide)
Setting up a dev environment on an Apple Silicon Mac can be tricky. When I joined Courier, I had to get my M1 MacBook Pro ready for development fast. In this guide, I’ll show you how to use Rosetta 2, install essential CLI tools like nvm and Homebrew, and find native apps for M1, M2, and M3 Macs—so you can skip the trial and error.

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 how you can use Brands in Courier to quickly and easily whitelabel emails to match your customers' brands or your own sub-brands.

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 emails using Amazon SES and S3. We'll also show you how to integrate your email provider with Courier to manage your email templates and delivery.

How to Send Email with Ruby
In this tutorial, we’ll show you an easy way to add email functionality to your Ruby app. You’ll learn how to set up your email service, design your email template, and test and preview your email before publishing it to production. You’ll also find sample code you can use to quickly start sending in your Ruby program.

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 GraphQL. In this blog post I’ll talk about why we’ve decided to make the change from REST and what our plans are for the rollout.

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 now send targeted notifications to users on any channel – without shipping any code.

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 integrations and explain how to add SMS with Twilio to an existing SendGrid integration. We'll help you think through the various questions involved and set up your infrastructure.

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 conventions and HTTP status response codes. I thought I’d share some of our guiding principles and learnings that might be useful for your team as well.

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 building a single source of truth across integration providers. I’ll also explain how we provide open tracking for emails and click-through tracking across all channels.
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