The Bayesian Logic in SparkPost’s A/B Testing API

Our new API feature for A/B testing transactional emails uses a statistical algorithm, Bayesian Logic, for picking the winning variant of the message.

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3 Tips When Migrating to SparkPost from Postfix, Sendmail or Exim

Our guide for a successful SparkPost migration when transitioning from Postfix, Sendmail, or Exim includes the basics of sending and reporting on email.

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How to Improve Your Email Accessibility

Mark Robbins of Rebel shares his perspective on how brands should be thinking about email accessibility and assistive technology in their campaigns.

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Idea Hacking: Using Neptune to Enrich Customer Engagement

Our hackathon winners use Amazon's Neptune to connect emails with recipients by tagging templates with keywords and linking it to recipient engagements.

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How to Determine the Subaccount ID from a Subaccount API Key

For ESPs needing to determine a subaccount CID to pull analytics data from SparkPost, this hack allows you to do so using the subaccount API.

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Bouncy Sink Part 2: Features, Configuration and Installation

We introduced the bouncy sink to test mail traffic patterns, now dive deeper into features, installation and configuration of your own bouncy sink.

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How to Generate Realistic Test Traffic Patterns in your SparkPost Account

Behold, a “bouncy sink” that behaves like real-world recipients and a “traffic generator” to easily test traffic patterns and complex sending environments.

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This is My Code

In This is My Code, our lead data scientist outlines code written in Javascript for a NodeJS process used to move data between AWS ElastiCache Redis and S3.

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A FreeMarker Converter in C#

One of our engineers walks through step by step how he created a FreeMarker conversion tool in C# to support SparkPost templates.

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