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Draft changelog: Aug 25 weekly recap of shipped changes #332

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Draft changelog: Aug 25 weekly recap of shipped changes #332

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16 changes: 16 additions & 0 deletions changelog.mdx
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Expand Up @@ -7,6 +7,22 @@ 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 25, 2026" description="X API v2 & X Ads API">
### This week: Ads MCP, broadcast events, and new endpoints

**New features**

- **X Ads MCP server**: We launched the [Ads MCP](/x-ads-api/mcp), a remote MCP (Model Context Protocol) server at `https://ads-api.x.com/mcp`. Any MCP-capable client, such as Grok or Claude Code, can now read campaign data, run analytics, and manage campaigns through natural language using 23 X Ads tools. Access is scoped to your own OAuth 2.0 token, and campaigns and line items are always created `PAUSED` so nothing spends money until you activate it. See the [tool reference](/x-ads-api/mcp/reference).
- **Broadcast 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.
- **Credit balance endpoint**: The new [`GET /2/usage/credits`](/x-api/usage/get-usage-credits) endpoint returns your developer-platform credit balance in USD, so Pay-Per-Use developers can monitor remaining credits programmatically.
- **Delete Chat messages**: The new [`POST /2/chat/conversations/{id}/messages/delete`](/x-api/chat/delete-chat-messages) endpoint deletes one or more messages from a Chat conversation. You can delete a message for all participants or only from your own view.

**Updates**

- **New web conversion metrics in Ads Analytics**: We added eight metrics to the `WEB_CONVERSION` metric group of the [X Ads API Analytics endpoints](/x-ads-api/analytics), including `conversion_add_to_carts`, `conversion_checkouts_initiated`, and `conversion_landing_page_views`. We also added a `CONVERSION_TAGS` segmentation type, compatible with the `WEB_CONVERSION` metric group only.
- **Higher pay-per-usage Post cap**: The monthly cap for pay-per-usage plans increased from 2 million to 3 million Post reads. See [Usage and Billing](/x-api/fundamentals/post-cap).
</Update>

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

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