Telegram bot for selling subscriptions with WayForPay integration

This is a fully automated Telegram bot created for monetizing access to private channels. The project addresses key business tasks: accepts payments via WayForPay, dynamically generates unique invitations, and independently manages subscription expiration by automatically removing users after it ends.
Key technologies:
Backend: Python, Aiogram 3
Database: PostgreSQL, SQLAlchemy
Payments: WayForPay API
Scheduler: APScheduler
Deployment: Heroku, Git