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Draft changelog: Weekly rollup for Sep 15–17, 2026 #429

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Draft changelog: Weekly rollup for Sep 15–17, 2026 #429

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15 changes: 15 additions & 0 deletions changelog.mdx
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Expand Up @@ -7,6 +7,21 @@ keywords: ["changelog", "API updates", "release notes", "what's new", "API chang

To subscribe to updates, please [**“Turn on notifications”**](https://help.x.com/en/managing-your-account/notifications-on-mobile-devices#:~:text=In%20the%20top%20menu,%20you,you%20would%20like%20to%20receive) for [**@API**](https://x.com/api). You can also follow this changelog in your feed reader via the [**RSS feed**](https://docs.x.com/changelog/rss.xml).

<Update label="Sep 17, 2026" description="This week on the X developer platform">
### This week's shipments (Sep 15 – Sep 17, 2026)

A quick roundup of what shipped on the X developer platform this week.

**New features**

- **Lead Generation API for X Ads.** Create and manage native lead forms, attach a form to a card with the `LEAD_FORM` destination, and export submitted leads as JSON, CSV, or XLSX. Requires the Campaign user permission; lead exports are restricted to account administrators. See [Lead Generation API](/x-ads-api/lead-generation).
- **Conversion API template for Google Tag Manager (server-side).** Send website conversions through the official **X Ads Conversion API (Official)** tag in a GTM server container, with no Conversion API request code to write. See [Set up the Conversion API with Google Tag Manager](/x-ads-api/measurement/gtm-server-side).

**Updates**

- **`REGIONS` segmentation for Ads Analytics.** Asynchronous analytics jobs now support `REGIONS` as a `segmentation_type`; the `country` parameter is required when requesting a regional breakdown. See [Metrics and Segmentation](/x-ads-api/analytics#metrics-and-segmentation).
</Update>

<Update label="Sep 17, 2026" description="X Ads API">
### Conversion API Google Tag Manager server-side template

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