Observed Signal · May 28, 2026 · Technical Release · Source: https://www.blogger.com/feeds/7815614485808579332/posts/default?category=google_ads_api&orderby=published · Impact: 4/5 · Sentiment: Positive
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.
Technical release from Google affecting identity and measurement workflows across multiple Google advertising products; introduces IP ingestion for Customer Match and expanded identifiers, which impacts targeting and measurement integrations.
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Key Takeaways & Evidence Grounding
- Data Manager API now supports sending offline conversion events to Google Marketing Platform products (Campaign Manager 360, Search Ads 360, Display & Video 360).
- The AdIdentifiers object now includes dclid, impressionId, matchId, and encryptedUserIds.
- A new CompositeData field enables sending IP addresses (with observation timestamps) in Google Ads Customer Match uploads.
- Google states IP + timestamp ingestion will help drive higher Customer Match match rates beginning in Q3 2026.
- Google recommends upgrading from the Campaign Manager 360 API to the Data Manager API for unified schema, encryption of user identifiers, and routing to multiple destinations.
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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.
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.
Google Enhances Data Manager API for User List Management
Google announced v1.5 of the Data Manager API, adding end-to-end user list management and expanded audience ingestion options. The update introduces a UserListService that supports create, retrieve, update and delete operations for UserLists, and a PartnerLinkService to manage secure connections between advertiser and data partner accounts across Google Ads and Display & Video 360. Audience ingestion now accepts additional identifiers including User IDs for Customer Match, and diagnostics have been extended with status reporting specific to User ID ingestion. The blog post includes links to Customer Match and upgrade guides, Partner Link documentation, support contact information, and a partner interest form. The announcement was posted by Lindsey Volta on behalf of the Data Manager API Team.
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