A lightweight library for converting complex objects to and from simple Python datatypes.
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.
A pluggable API specification generator. Currently supports the OpenAPI Specification (f.k.a. the Swagger specification)..
Flask + marshmallow for beautiful APIs
DB agnostic framework to build auto-documented REST APIs with Flask and marshmallow
SQLAlchemy integration with marshmallow
JSON API 1.0 (https://jsonapi.org/) formatting with marshmallow
Marshmallow schemas for Django REST framework
Use 3rd-party validators (e.g. from WTForms and colander) with marshmallow