JSON to Pydantic
Generate Pydantic v2 BaseModel classes from sample JSON in your browser.
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JSON to Pydantic models
Paste representative API JSON and generate Pydantic BaseModel classes for FastAPI services, data validation,
and typed configuration. Output is produced with quicktype in the browser, no upload required.
For classic dataclasses without Pydantic, try JSON to Python POJO Generator.
Frequently Asked Questions
Which Pydantic version is targeted?
Models use Pydantic v2-style BaseModel output from quicktype with the pydantic renderer enabled.
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