PHP 8.2+ REST API backend and Admin Panel for UPN Pro Question Paper Generator. Seamlessly powers AI question generation, question bank filtering, institute branding, and PDF exports.
✓ POST /api/auth/login
✓ POST /api/auth/signup
✓ GET /api/questions (with Board, Class, Subject filters)
✓ POST /api/ai/generate-paper (with Duplicate Avoidance)
✓ POST /api/ai/regenerate-question
✓ GET /api/papers & POST /api/papers
✓ GET /api/branding & POST /api/branding
✓ GET /api/subscriptions/plans