Telegram changes its API every few months. In June 2024, they introduced "Mini App Collapse" buttons. In September, they changed the web_app data format. Udemy instructors update their master courses to reflect these changes. You pay once, and you stay current.

By the time you finish the Udemy Telegram Mini App Developer Master Course, your GitHub portfolio should contain these three unique assets:

After the course, you can walk into any Telegram channel with 100k members and say: "I can build you a custom Mini App that monetizes your audience in 48 hours." That is the power of this specific niche.