Skip to main content
Pydantic logo
Package

Pydantic

Verified Sep 2026

Data validation using Python type hints

Type-hint-powered validation: the layer beneath FastAPI and the AI ecosystem's structured outputs.

Samuel Colvin's data validation via type hints: models that parse, validate and serialize, FastAPI's foundation and the AI ecosystem's structured-output layer (v2's Rust core made it fast).

Who it's for

Python developers who want fast, typed data validation using standard type hints.

Keep exploring

1 in catalog

Pydantic is written in

1 in catalog

Pydantic has a pricing

3 in catalog

Pydantic is used by