Built using the Slim PHP Framework.

• User (for example)
• OAuth2

• API Header (used for API Keys or anything you want)
• OAuth2 (validates Authorization header containing an access token)
• Rate Limiting (using Redis)

• Database (uses PDO for MySQL)
• OAuth2 (uses Database)
• Redis (wrapper for Predis, used for Rate Limiting and Caching)

• General (for general helper functions)

Uses Slim's custom container service for dependency injection. Docs