Pydantic + Type Hints: FastAPI’s Secret Weapon 🚀 Ever wondered how FastAPI validates incoming data and generates API documentation almost automatically? The secret lies in two powerful tools: Python Type Hints and Pydantic. 1. Pydantic: Validate Data Without the Headache Imagine receiving user data where an ID arrives as a string instead of an integer. Pydantic can convert compatible values and validate them using a model. from pydantic import BaseModel ...