PYTHON DATA MODELING · PYDANTIC V2

JSON to Python Pydantic Generator

Generate Python Pydantic v2 BaseModel classes with type hints directly from sample JSON data.

JSON INPUT
Ready — paste or import JSON
INDENT
Technical Reference

Automating Python Data Modeling for FastAPI and Backend Services

When developing REST APIs with FastAPI or parsing external datasets in Python, Pydantic models provide data validation and serialization. The JSON to Pydantic generator converts complex JSON payloads into modular BaseModel classes with standard Python type hints (such as list[str] and Optional[int]).

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