Thanks, that makes sense. This looks like it actually pulls down what I'm looking for:

I'm now curious how that list is generated. I'm specifically wondering if it is a definitive source of truth on what it is producing, or if that is somehow coming from somewhere else.

On Thu, May 21, 2020 at 10:06 AM Michael Holloway <> wrote:
Hi Ed,

The information I think you're looking for is available via the API's sitematrix action:

The Wikimedia projects are typically referred to as "projects" (in the context of their content and contributors' day-to-day work) or "sites" (usually in the context of their technical infrastructure and operations).  A namespace is a concept used in MediaWiki to group pages by type at a high level.  Examples of namespaces include "Talk" for discussion pages about articles, or "File" for pages about uploaded media files.  See this page for a fuller discussion:


On Wed, May 20, 2020 at 6:53 PM Ed Hertzog <> wrote:
I am looking to query the API to get back a list of all Wikimedia projects and, hopefully, some relevant metadata. 

My first question is, is 'namespace' the term used to describe a Wikimedia project? Also, is there a query I can use to do that? I'm having some issues finding that information in the documentation.

Thanks in advance,

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