API Key Management System

API Key Management System v2.0
A complete user-based API key issuing and management system with secure authentication.
Built with Flask and SQLite, this backend API handles user registration, token login, API key generation, listing, and revocation — all with rate-limiting and bearer token security.

🔐 Features:

• Register & log in with hashed passwords
• Generate, list, and revoke API keys
• All requests authenticated via Bearer tokens
• SQLite + SQLAlchemy database
• Built-in rate limits and CORS support

💼 Use cases:

• Developer dashboards
• Internal tools
• SaaS authentication services
• Microservices with token access

⚙️ Fully RESTful and production-ready.