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Wikisource · Endpoint removal

xslt on GET /w/api.php stops working

Stopped working November 30, 2025

Calls to /w/api.php, query parameter xslt on Wikisource stopped working on November 30, 2025.

What to use instead of these calls

Stop sending an XSLT stylesheet; transform the XML or JSON output client-side.

Calls it hits

/w/api.php
query parameter xslt

Facts

API: Wikisource ar.wikisource.org
Kind: Endpoint removal
Announced: November 21, 2025
Takes effect: November 30, 2025
Calls after that day: Fail
Source: Announcement
Last updated: October 17, 2026

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