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Top Python Validation Libraries 2025

GitHub Libraries → Python → Validation Libraries
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pydantic/pydantic 23K +144

added 1 month ago

Data validation using Python type hints

Python Validation Libraries

pyeve/cerberus 3K +6

added 1 month ago

Lightweight, extensible data validation library for Python

Python Validation Libraries

keleshev/schema 2K +1

added 1 month ago

Schema validation just got Pythonic

Python Validation Libraries

jcrist/msgspec 2K +31

added 1 month ago

A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

Python Serialization Libraries Validation Libraries JSON Libraries YAML Libraries

marshmallow-code/webargs 1K

added 1 month ago

webargs is a Python library for parsing and validating HTTP request objects, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, Falcon, and aiohttp.

Python Validation Libraries

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