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Engineering deep dives.

Architecture, infrastructure, and implementation guides from the team building Pingram notification APIs.

Sec. 01Engineering

Engineering posts

Feb 4, 2025

Courier Alternatives - Top 3 Competitors (With Comparisons)

In this article, we discuss three respectable alternatives to Courier as your 3rd party notification service to weigh against, along with a comparison table.

15 min read

Feb 4, 2025

Knock Alternative: Pingram - In-Depth Comparison (2025)

Pingram is a Knock alternative, with many differences in how they manage third-parties, notification workflows, pricing, and support. Learn more here!

5 min read

Aug 10, 2024

Hidden Scalability Bottlenecks In User Notifications

This article covers the not-so-obvious bottlenecks that cause scalability issues in the Notification Service of your software, along with easy-to-implement remedies.

10 min read

Jul 25, 2024

Building a Notification Service: Top Technical Mistakes

Sending product-to-user notifications looks easy. But this blog post lists software teams' critical technical mistakes when implementing their notification service.

12 min read

Jul 25, 2024

Notification Service Design | The Ultimate Guide with Diagrams

The essentials for designing a full-featured Notification System to send product-to-user notifications at scale for less. Compatible with AWS, Azure, and GCP.

22 min read

Jul 25, 2024

Serverless Notification Service Design in AWS - with diagrams

In this article, we design a fully Serverless Notification Service using AWS to send product-to-user notifications. Fully scalable, extensible, with minimal cost.

12 min read

Jul 25, 2024

Top Non-Technical Mistakes With Your Notification Service

This article discusses the common mistakes that engineers make when building their own notification service; Mistakes that are easy to resolve with a little help.

12 min read

Jul 25, 2024

Ultimate Guide on Notification Services - A Technical Overview (2024)

Do you need a 3rd-party notification service? In this article, we review the challenges of a typical notification project and review the viable solutions.

15 min read

Feb 5, 2024

The Developer's Guide to Google Bulk Sender Requirements

A step-by-step technical guide for developers and SaaS companies that want their email notifications to comply with Google's and Yahoo's new bulk sender policies.

17 min read

Jun 8, 2022

How to prevent AWS SES review and suspension

Developers may find their AWS SES account banned even if they never sent any spam. Follow these best practices to prevent your SES from being reviewed and suspended.

18 min read

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