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Draft changelog: week of Aug 29 product updates #357

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22 changes: 22 additions & 0 deletions changelog.mdx
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Expand Up @@ -7,6 +7,28 @@ 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="Aug 29, 2026" description="X API v2">
### Broadcast lifecycle events in the X Activity API

We added `broadcast.start` and `broadcast.end` events to the [X Activity API](/x-api/activity/introduction). Subscribe by User ID to be notified in real time when a user starts or ends a live broadcast. Both are public events, so you can subscribe with either app-only or user-context authentication.

### Filter qualifiers for X Activity API subscriptions

X Activity API subscriptions now accept an optional `filter.qualifiers` map to narrow which events match, with up to 8 entries per subscription. Currently supported: `conversation_type` (`direct`, `group`) on `chat.received`, and `direction` (`inbound`, `outbound`) on `follow.follow`, `follow.unfollow`, and `like.create`. Unsupported keys or values return a 400 error. Learn more in the [Filter qualifiers](/x-api/activity/introduction#filter-qualifiers) section.

### Credit balance endpoint

We added [`GET /2/usage/credits`](/x-api/usage/get-usage-credits), which returns your Pay-Per-Use credit balance in USD. Use it to monitor remaining credits programmatically.

### `is_subscriber` field on `broadcast.chat` events

The `broadcast.chat` event payload in the [X Activity API](/x-api/activity/event-payloads) now includes an `is_subscriber` boolean indicating whether the message author is a subscriber of the broadcaster.

### Trends by WOEID: `tweet_count` removed

`GET /2/trends/by/woeid/{woeid}` does not return `tweet_count`, and the field has been removed from the `trend.fields` parameter and response schema. The endpoint returns `trend_name` only. The `/2/users/personalized_trends` endpoint is unaffected and still returns `tweet_count`.
</Update>

<Update label="Aug 13, 2026" description="X Ads API">
### Updated `video_total_views` definition

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