Request Validation Python Packages

webargs

A friendly library for parsing HTTP request arguments, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, webapp2, Falcon, and aiohttp.

webargs-sanic

Sanic integration with Webargs

schemaport

Check LLM requests against provider rules before sending. Offline CLI for JSON Schema subsets and prompt-cache safety.

flask-guardian

Chainable request-validation rules for Flask, inspired by Joi.

csrf-sentry

Helps developers implement tailored CSRF protection strategies without tokens, ensuring robust security and easy integration.