Base Models and Field Types
Define Pydantic v2 BaseModel classes with typed fields, validators, computed fields, and Field metadata for FastAPI request and response schemas.
Nested Models
Compose complex request and response schemas by nesting Pydantic models, handling lists of models, and building recursive or self-referential structures.
Model Config and Aliases
Control Pydantic v2 model behavior with model_config, field aliases, serialization aliases, and ORM mode for SQLAlchemy integration.