Google has announced an important update to the Data Manager API, expanding its role across Google Ads and GA4. This is another strong signal that the Data Manager API is becoming a broader first-party data ingestion layer across Google Ads, Google Analytics, and DV360.
The release brings:
Google now considers the Data Manager API a direct upgrade from Measurement Protocol.

Previously, sending conversions to Google Ads often required creating and monitoring multiple offline jobs. With the new workflow, advertisers can send store sales data using a single Data Manager API request instead.
Google also highlights other benefits of this approach:
Please note that Google Ads accounts must meet eligibility requirements to use store sales conversions.
This update introduces:
purchase events, but Google notes that using it requires allowlisting for GA4 properties.The Data Manager API is increasingly becoming Google’s central infrastructure for first-party data collection and activation. At the same time, Google is deprecating or restricting older audience ingestion workflows, such as disabling Customer Match uploads in Google Ads API.
Taken together, these updates suggest a broader modernization strategy: moving advertisers toward a unified, privacy-focused ingestion layer. So, any advertiser wishing to future-proof their tracking infrastructure should consider using the Data Manager API. If you haven’t done it yet, check out Google Data Manager API Connection, a solution that allows access to the Data Manager API through Stape.

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