{"message":"Welcome to Singula.AI API Server","version":"2.0.0","api_versions":{"v1":{"status":"deprecated","description":"Legacy API with basic functionality","base_url":"/api/v1","deprecation_notice":"Please migrate to v2 for enhanced features"},"v2":{"status":"current","description":"Enhanced API with pagination and advanced features","base_url":"/api/v2","features":["Pagination support","Bulk operations","Enhanced error handling","Performance metrics","Advanced filtering"]}},"documentation":{"interactive_docs":"/docs","redoc":"/redoc","openapi_schema":"/openapi.json"},"health_checks":{"basic":"/health","v1_detailed":"/api/v1/health","v2_enhanced":"/api/v2/health"}}