How I built a free newsletter referral system for EmailOctopus in an hour

https://shchoi22.medium.com/how-i-built-a-free-newsletter-referral-system-for-emailoctopus-in-an-hour-99e885219d1c

TLDR:
Requirements:
1. You know how to code a bit. Knowing vanilla Javascript is necessary for later part of the implementation.
2. AWS account
3. EmailOctopus account

Steps:

1. Setup EmailOctopus using custom fields
2. Update EmailOctopus template with {{ID}} merge tags
3. Get EmailOctopus API key
4. Setup Serverless with AWS Lambda
5. Update landing page with click event bound to "Subscribe" button.
6. Detect referrer id in url params and make AJAX request to Serverless function using the id.
7. Create a segment with desired referred count >=.
8. Profit 🤑

Let me know if you have any questions below! And show me some ❤️ by subscribing to my newsletter ARK Watcher (only if you are interested in stocks!)