1. Introduction & Overview In this tutorial, we will be going through how to integrate the email marketing platform Mailchimp with Next.js and TypeScript. When integrating it into an application recently, I ran across numerous issues and thought this tutorial might be useful to others. A GitHub repository is referenced at the end of this tutorial.  Prerequisites For your reference, below are the versions we are using in this application. We will be using the app router setup for Next.js. Ver