Howdy API artists, tool tinkerers, and bot builders, We are starting to reroute all web API traffic through a common API Gateway. We will begin transitioning traffic for endpoints under the rest.php path the week of Monday, October 6. This change will be performed through a phased rollout, starting with Group 0 and Group 1 wikis, then proceeding across all remaining wiki groups and projects. We expect all traffic to be rerouted on or before Oct 17.
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, 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? In Q2, we will tackle rerouting the Action API through the same API Gateway, with additional APIs in future quarters. Keep an eye out for more updates here and on Tech News <https://meta.wikimedia.org/wiki/Tech/News>! Feel free to respond here or reach out directly 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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