The '''Web Server Gateway Interface''' ('''WSGI''', pronounced ''whiskey''<ref>{{citeas webW |last1=SimionatoS |first1=MicheleG |title=AnI Introduction) to Web Programming with WSGI |date=June 11, 2007 |url=http://www.phyast.pitt.edu/~micheles/python/europython07/talk.html}}</ref><ref>{{cite journal |last1=Edge |first1=Jake |title=Mucking about with microframeworks |journal=LWN |date=July 9, 2019 |url=https://lwn.net/Articles/792882/}}</ref> or {{Respell|WIZ|ghee}}<ref>{{Cite web|last=Goldberg|first=Kevin|date=2016-05-09|title=An Introduction to Python WSGI Servers for Performance {{!}} AppDynamics|url=https://www.appdynamics.com/blog/engineering/an-introduction-to-python-wsgi-servers-part-1/|access-date=2020-08-20|website=Application Performance Monitoring Blog {{!}} AppDynamics|language=en-US}}</ref>) is a simple [[calling convention]] for [[web server]]s to forward requests to [[web application]]s or [[web framework|framework]]s written in the [[Python (programming language)|Python programming language]]. The current version of WSGI, version 1.0.1, is specified in [[Python Enhancement Proposal]] (PEP) 3333.<ref name=":0">{{cite web|url=https://www.python.org/dev/peps/pep-3333/|title=PEP 3333 - Python Web Server Gateway Interface v1.0.1|website=Python.org|access-date=2018-04-04}}</ref>
WSGI was originally specified as PEP-333 in 2003.<ref>{{Cite web|url=https://www.python.org/dev/peps/pep-0333/|title=PEP 333 -- Python Web Server Gateway Interface v1.0|website=Python.org|language=en|access-date=2018-04-04}}</ref> PEP-3333, published in 2010, updates the specification for {{nowrap|[[Python 3]]}}.
