Google Ads API v24 is released, requiring client library upgrades to access new features. Key updates include support for conversions with cart data, enabling detailed sales insights, and new metrics for product sales. Several services like AudienceInsights, ReachPlan, and ContentCreatorInsights have been refactored. Changes affect campaign budget, asset views, video ads, and preview services. Live walkthroughs and resources are available for developers.
Starting April 21, 2026, Google Ads API requires multi-factor authentication (MFA) for users generating new OAuth 2.0 refresh tokens via user authentication workflow. Service account workflows are unaffected. Platforms like Google Ads Editor and BigQuery Data Transfer Service will also require MFA. Users can enable MFA in Google Account security settings; some accounts may have this disabled by administrators.
The April 2026 update to the Display & Video 360 API adds support for more Exchange and ThirdPartyVendor values, AdAsset identifier fields in AdGroupAd resources, and beta support for Demand Gen resource management, available only to allowlisted customers. Demand Gen features include managing line items, ad groups, ads, and targeting. Full Demand Gen support will launch later this year. Update your client library before use.
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Google launched the Advertising and Measurement Developers Hub to help developers automate campaigns, analyze performance, manage tags, and monetize apps. The site includes a homepage, Developer Relations team info, a product directory for Google Ads API, Analytics APIs, and Publisher Tools, plus connections via Discord, support, and GitHub. It also features multimedia content like Ads DevCast and encourages user feedback.
The Ad Manager API now offers a read-only OAuth scope allowing developers to access user data without write permissions. This scope is exclusive to the Ad Manager API and not supported by the legacy SOAP API. It enhances security for read-only integrations like reporting tools. Existing apps need no changes, but migrating to this scope is recommended if write access isn't needed. Usual access controls still apply.
The BatchJobService in Google Ads API has increased request size limits for AddBatchJobOperations from about 10.48 MB to 41.94 MB, allowing more large assets like images to be uploaded in fewer requests. Single mutate operations remain capped at 10.48 MB. This change simplifies workflows and may improve throughput, though operation count limits still apply. Support is available via forums and Discord.
Starting April 2026, Google Ads API will improve Offline Conversion Import with infrastructure updates causing minor attribution changes but no breaking changes. Updates include better attribution reducing expired event errors and flexible import requests easing conversions across accounts, lowering authorization errors and possibly increasing attribution.
The Google Ads API v23.2 release requires upgrading client libraries and code. New features include the VideoEnhancement resource for video ad info, AppTopCombinationView for top asset combinations in App campaigns, and the ability to disable hotel feeds in Demand Gen campaigns. New metrics and enhancements to ContentCreatorInsightsService and ReachPlanService are added. Live walkthroughs and resources are available for support.
Display & Video 360 bulk tools now have support for their API, Structured Data Files, and Bid Manager API in the Google Advertising and Measurement Community Discord server, where the team will engage with users and share updates. The Display & Video 360 API and Structured Data Files documentation has been updated with task guides, concept guides, and better navigation. Feedback can be given via the documentation or Discord server.
