How to Send an Automated Greeting Card with Twilio SMS

Amanda Lange provides a comprehensive guide on how to send automated greeting cards via Twilio SMS, detailing the creation of a .NET project to achieve this. The tutorial requires users to have a Twilio account, a Twilio phone number, and a development environment supporting .NET. It explains the process of purchasing a Twilio number, setting up a messaging service, and writing C# code to schedule SMS messages, which can include images. The guide covers troubleshooting common issues, such as timing errors and image accessibility, and offers insights for further exploration, such as automating voice calls or WhatsApp messages. It emphasizes the importance of compliance and security by utilizing user secrets to protect sensitive information.