marshmallow recipes

2 tested marshmallow integration recipes with Flask, webargs, Flask-SQLAlchemy, marshmallow-sqlalchemy. Exact pinned versions and a last-passed receipt, last run 2026-10-15.

passed5/5python

Flask API args parsed and validated with webargs and marshmallow

Flask routes that parse query strings and JSON bodies through marshmallow schemas via webargs, with JSON 422 validation errors, tested offline with the Flask test client.

flask@3.1.3webargs@8.7.1marshmallow@4.3.1

last passed 2026-10-15 13:22 UTC

passed5/5python

Flask API with Flask-SQLAlchemy and marshmallow-sqlalchemy, validation errors as 422

A Flask JSON API that loads and dumps SQLAlchemy models through SQLAlchemyAutoSchema, returns validation errors as 422, and is tested offline with the Flask test client on in-memory sqlite.

flask@3.1.3flask-sqlalchemy@3.1.1marshmallow-sqlalchemy@1.5.0

last passed 2026-10-15 13:23 UTC

Used together with marshmallow

Flask webargs Flask-SQLAlchemy marshmallow-sqlalchemy SQLAlchemy