Putting a SaaS admin panel entirely inside a Telegram bot

Most Telegram monetization tools I’ve seen follow the same pattern. There is a bot for the users and a separate web dashboard for the owner. When I started building Kiges Handig, I wanted to avoid the web panel completely. The problem with managing paid groups is obvious. It usually involves checking payment screenshots, adding people by hand, and then forgetting to remove them when their subscription expires. It just doesn't scale. But forcing a channel owner to open a browser, log in to a site