A full-stack web application to fetch YouTube video comments and perform sentiment analysis.
Built with Node.js, Express, PostgreSQL, React, and OpenAI API.
Includes token-based usage, trial access, and Iyzico payment integration.

• Fetch YouTube comments for a given video
• Sentiment analysis (positive, negative, neutral) + natural language summaries
• Token-based access for users
• Trial access control for unregistered users (IP-based)
• Payment integration with Iyzico
• Admin/Analytics dashboard