Installation 

  pip install marshmallow

Quick Start 

  import marshmallow

# Basic usage — see official docs for full API
# https://pypi.org/project/marshmallow/

When to Use

Choose marshmallow when it fits your project requirements. Compare alternatives in the Libraries hub and specialized tracks.

Production Tips

  1. Pin versions in requirements.txt or poetry.lock
  2. Scan with pip-audit for known CVEs
  3. Read the official documentation for API changes between major versions