{"message":"Welcome to PrepMind AI SAT Tutor API","description":"Intelligent, adaptive SAT preparation powered by AI","version":"2.1.0","status":"active","features":["AI-powered tutoring with Socratic method","RAG-enhanced knowledge base","Voice interaction capabilities","Adaptive learning algorithms","Comprehensive progress analytics","Subscription management","Study materials platform"],"documentation":{"interactive":"/docs","alternative":"/redoc","openapi":"/openapi.json"},"endpoints":{"chat":"/api/v1/chat","auth":"/api/v1/auth","users":"/api/v1/users","rag":"/api/v1/rag","voice":"/api/v1/voice","subscriptions":"/api/v1/subscriptions","analytics":"/api/v1/analytics","materials":"/api/v1/materials"}}