Google is streamlining measurement and audience activation workflows across its ad platforms. New Data Manager API features let advertisers and partners send offline conversion data to multiple Google Marketing Platform destinations and enhance Customer Match using IP-based matching. What’s new: The Data Manager API now enables offline conversion event uploads to Campaign Manager 360, Search Ads 360, and Display & Video 360. This broadens the API’s function as a unified data ingestion layer across Google’s advertising stack. Advertisers can rely on a single schema to transmit conversion data to several Google products, replacing previously siloed workflows that needed separate integrations. The API also handles encrypted user identifiers, such as email addresses and phone numbers, and lets a single request route events to multiple endpoints. Reading between the lines: Google is nudging advertisers who still use the Campaign Manager 360 API for conversion uploads to transition to the Data Manager API. According to the company, the newer framework is easier to implement and offers more flexibility for measurement and attribution scenarios. The update additionally adds IP ingestion for Google Ads Customer Match via a new CompositeData field. Advertisers can now include IP addresses along with standard identifiers like email, phone numbers, and postal addresses. Starting in Q3 2026, Google says that adding IP addresses with associated observation timestamps will boost Customer Match rates, which may expand audience reach and improve match precision. Why it matters: These enhancements simplify unifying conversion measurement across Google’s ad products while…