Action API Rerouting

Halley Coplin <[email protected]>
Newsgroups gmane.science.linguistics.wikipedia.technical,gmane.org.wikimedia.mediawiki.api.announce
Message-ID <CAAxUQdQ=Azw=V7whSsrkSCbeH+DzCRYGNjUdtAW3okLBZ_-Uzg@mail.gmail.com>
Howdy API artists, bot builders, and tool tinkerers!

We are continuing to reroute all web API traffic through a common API
Gateway. This week, Action API traffic began flowing through the common
gateway. Requests from Group 0 wikis are now being routed through
the common gateway, and we expect to follow the following deployment
schedule for the remaining Wikimedia projects:


   - 100% Group 0 today (Oct 30)
   - 50% Group 1 on Monday, Nov 3
   - 100% Group 1 on Wednesday, Nov 5
   - All remaining wikis ramp up week of Nov 10


This is purely introducing another layer of infrastructure, and we expect
the change to be non-breaking and non-disruptive. We are also keeping a
close eye out for any anomalies as we dial up proportional traffic. If any
issues are observed in your own bots, features, or tools, please file a
phabricator ticket to the Service Ops team board
<https://phabricator.wikimedia.org/tag/serviceops/>.




Why is this change happening?

As mentioned in the API as a Product Tech Blog
<https://techblog.wikimedia.org/2025/06/12/apis-as-a-product-investing-in-the-current-and-next-generation-of-technical-contributors/>
published
earlier this year and as part of the WE5 objective
<https://meta.wikimedia.org/wiki/Talk:Wikimedia_Foundation_Annual_Plan/2025-2026#Responsible_Use_of_Infrastructure_(WE5)>
(KR5.2),
we are working to consolidate and centralize our API infrastructure.
Centralizing API routing will make observability across APIs easier,
allowing us to make better data-driven decisions. Having a single,
centralized API gateway also simplifies API management, enabling us to
continue streamlining and standardizing our API offerings.

What’s next?

We will continue rerouting non-MediaWiki endpoints through the common
gateway in the coming months. Keep an eye out for more announcements here
and on Tech News <https://meta.wikimedia.org/wiki/Tech/News>!



Feel free to respond here, find us on phabricator, or add to a on-wiki
discussion thread if you have any questions, comments, or concerns!

Thanks,

Halley
*Halley Coplin* (she/her)
Sr. Product Manager, MediaWiki Interfaces
Wikimedia Foundation <https://wikimediafoundation.org/>

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