Observed Signal · Nov 4, 2026 · Technical Release · Source: https://www.blogger.com/feeds/7815614485808579332/posts/default?category=google_ads_api&orderby=published · Impact: 4/5 · Sentiment: Positive
Google Data Manager API Adds Call Conversions and Diagnostics
Google has released a new version of the Data Manager API, adding support for Google Ads call conversions and enhancing diagnostics with row-level details. Advertisers can now send call conversion events to Google Ads, using a new 'call_info' field to specify the call start time and a hashed phone number in 'user_data' to identify the caller. The API now also provides row-level errors and warnings in diagnostics, enabling users to pinpoint exactly which records failed during processing. This update is aimed at improving offline conversion tracking for call-driven campaigns and streamlining data quality management. The release is part of Google's continued investment in its advertising data infrastructure, providing more granular control and transparency for data ingestion workflows.
This is a technical update from a major platform (Google) that enhances the Data Manager API with call conversion support and row-level diagnostics. It improves offline conversion tracking and data quality, which are critical for advertisers using Google Ads.
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Key Takeaways & Evidence Grounding
- Google's Data Manager API now supports sending call conversion events to Google Ads.
- The new 'call_info' field contains the call start timestamp and a hashed phone number for caller identification.
- Diagnostics now include row-level errors and warnings to identify problematic records.
- The update enables better tracking of calls that lead to valuable customer actions.
- Full diagnostics details are available in the developer guide.
Connected Companies & Entities
1 Entity mapped“Google's Ads Developer Blog announces the new Data Manager API features.”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Google Data Manager API Unifies Audience Management
Google published an Ads DevCast episode featuring Melissa Ng, Product Manager for the Data Manager API, introducing the Data Manager API as a unified ingestion point for audience and conversion data across Google advertising products. The API lets partners, agencies and advertisers send first-party data to multiple Google ad products (Google Ads, Display & Video 360, Campaign Manager 360, Google Analytics and others) in a single call, standardizing field schemas across downstream use cases. Google highlights privacy-by-default confidential matching using a Trusted Execution Environment (TEE), forthcoming Ads UI diagnostics for API health, and migration guidance. Early partner results cited include Treasure Data reporting 2x faster advertiser onboarding and an 80% reduction in engineering effort; a joint case study noted an advertiser spent over $1M annually on maintenance prior to migration.
Data Manager API Adds Store Sales and Analytics Event Support
Google announced enhancements to the Data Manager API on May 7, 2026. The update adds a streamlined ingestion workflow for uploading store sales conversions to Google Ads (including confidential matching, encryption for user identifiers, and multi-item CartData support) and expands support for sending events to Google Analytics web and app data streams. The API can now send any non-reserved event to web and app streams as an alternative to Measurement Protocol, supports richer metadata (app instance ID, event location, mobile device info), and enables event routing via Firebase App ID or Measurement ID. Sending any event with a transaction ID as an additional data source requires property allowlisting. The post was authored by Lindsey Volta on behalf of the Data Manager API Team.
Data Manager API: GMP Events and IP Ingestion
Google’s Data Manager API has added support for sending offline conversion events to Google Marketing Platform products — Campaign Manager 360, Search Ads 360, and Display & Video 360 — using an expanded AdIdentifiers object (now including dclid, impressionId, matchId and encryptedUserIds). The API also introduces a CompositeData field that enables IP address ingestion (with observation timestamps) for Google Ads Customer Match uploads; Google says providing IP + timestamp will help drive higher match rates beginning in Q3 2026. Google recommends upgrading from the older Campaign Manager 360 conversion upload API to Data Manager API for a unified schema, encrypted user identifiers, and multi-destination routing. User_data continues to be supported, but composite_data is recommended to prepare integrations for future features.
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