I found that Django Ninja uses Pydantic. I have created a Schema from Django model, class UserSchema(ModelSchema): class Config: model = User model_fields = ["username", "first_name", "last_name", "email"] class CreateUserSchema(UserSchema): password: str and I used CreateUserSchema in my view, and import EmailStr from Pydantic ... async def register(request, user_data: schemas.CreateUserSchema): email = EmailStr(user_data.pop("email")) ... I want to validate EmailField but, it cannot validate, and store anything in the field. How can if fix it? Continue reading...