This tutorial provides a step-by-step guide on how to export Flex Insights data with Twilio Functions, using a custom Node.js wrapper to simplify interactions with the Flex Insights API. The solution involves creating several helper functions to handle authentication, filtering, and exporting report data. A public API endpoint is assembled from these helper functions to retrieve CSV data from Flex Insights. The solution showcases how to protect sensitive data by processing requests only when they include valid credentials.