Observed Signal · Jul 13, 2026 · Technical Release · Source: https://developers.google.com/feeds/ad-manager-release-notes.xml · Impact: 4/5 · Sentiment: Positive
Google Ad Manager API: July 13, 2026 Release
Google published production release notes for the Google Ad Manager API on July 13, 2026. The notes list breaking changes, deprecations, and new features: report dimensions and metrics were renamed with deprecated values removed after October 1, 2025; Report messages will be restructured (changing import paths in client libraries) while remaining wire compatible; the canonical resource name for CustomTargetingValue changed (clients must migrate before July 28, 2025); several resources now return default-valued fields in responses; and the API remains in Open Beta with added support for Private Auctions, Ad Breaks, Interactive Reporting, and publisher-provided signals. The document also records multiple migration deadlines (January 5, 2026; January 30, 2026; July 13, 2026) and new services added in recent updates.
Major-platform (Google) API release with breaking changes, resource renames and migration deadlines that affect client libraries, report generation, and publisher integrations—requires action from developers and publishers.
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Key Takeaways & Evidence Grounding
- Google Ad Manager API release notes published with updates dated July 13, 2026.
- Report dimensions and metrics were renamed; deprecated values will be removed after October 1, 2025.
- The canonical resource name for CustomTargetingValue changed; clients must migrate before July 28, 2025.
- Report messages will be restructured (import paths in client libraries will change) but remain wire compatible.
- New services and capabilities added (examples: AdRule, CdnConfig, LiveStream, SuggestedAdUnit, TargetingPreset, ThirdPartyCompany) and write operations added to CustomTargetingValue.
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Google Ad Manager API: Beta Release Notes & Breaking Changes
Google published production release notes for the Google Ad Manager API (Open Beta) on August 4, 2026, describing new services and features, breaking changes, and deprecations. Notable additions include new report dimensions (e.g., CTR_WITH_COMPANION, IMPRESSIONS_WITH_COMPANION) and video pod metrics; LiveStream enhancements (dvrWindowDuration, slate, segmentUrlAuthenticationKeys, daiAuthenticationKeys, daiEncodingProfiles); new DAI services; and several new or expanded services such as PartnerService, ViewabilityProviderService, CreativeWrapperService, ChildPublisherService, and write methods for CompanyService. The notes reiterate earlier breaking changes: renamed report dimensions/metrics with deprecated values removed after October 1, 2025; a restructuring of Report message types requiring client library import path updates (wire compatible); and a canonical resource name change for CustomTargetingValue with migration required by July 28, 2025. Open Beta features include Private Auctions, Ad Breaks, Interactive Reporting, and publisher-provided signals.
Google Ad Manager API Beta: May 7, 2026 Updates
Google published release notes for the Google Ad Manager API (Beta) with a May 7, 2026 update that adds new services, report dimensions and metrics, and several breaking changes requiring client migration. New features include RichMediaAdsCompanies and McmEarnings services, a readonly OAuth scope, new report dimensions/metrics (e.g., LINE_ITEM_AVERAGE_NUMBER_OF_VIEWERS, CREATIVE_SSL_*, AD_SERVER_ACTIVE_VIEW_REVENUE), and write operations for ApplicationService. Breaking changes include removal or renaming of several report dimensions (DEMAND_SUBCHANNEL_ALL removed; UNIFIED_PRICING_RULE_ replaced by PRICING_RULE_), and error response changes where AdManagerError is removed in favor of google.rpc.BadRequest. The notes also reiterate prior migration deadlines for report dimension and resource name changes and list multiple earlier feature and breaking changes since 2024.
Google Ads API v22 Sunset Set for October 7, 2026
Google has announced that version 22 of the Google Ads API will sunset on October 7, 2026. After this date, all requests made to v22 will begin to fail, impacting advertisers, agencies, and ad tech platforms that rely on the API. Google advises users to migrate to a newer version prior to the sunset date to ensure uninterrupted access. The announcement provides resources such as upgrade guides, release notes, and Google Cloud Console usage metrics to help identify which methods and services are being called. The notice was published by Ben Karl on behalf of the Google Ads API Team on September 2, 2026.
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