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: Neutral
Google Ads API Updates Multi-Party Approvals
Google announced upcoming changes to the multi-party approval (MPA) process in the Google Ads API, effective the week of December 7, 2026. The key change is deferred access invitation creation: when an MPA is required, the CustomerUserAccessInvitationService.MutateCustomerUserAccessInvitation method will defer creation of the access invitation resource until the MPA request is approved. This means the resource_name field will not be populated immediately. Once approved, the resource becomes available via ResolveMultiPartyAuthReview. This change aims to improve the developer experience by aligning resource creation with approval status.
This is a technical update from Google on the official Ads Developer Blog, affecting all developers using the Google Ads API. It introduces workflow changes that could impact automation and integration, warranting attention.
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Key Takeaways & Evidence Grounding
- Google Ads API will defer creation of access invitation resources when multi-party approval (MPA) is required.
- The resource_name field will not be populated until the MPA request is approved.
- Changes take effect starting the week of December 7, 2026.
- The MPA requirement was introduced earlier in 2026 for sensitive API actions.
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Related Market Signals & Shifts
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Google Ads API Requires Multi-Party Approvals
Google announced that the Google Ads API will require multi-party approvals for sensitive account actions. The change affects inviting users and updating or revoking user access: when the API determines a review is necessary it will pause the normal workflow, create a MultiPartyAuthReview resource, and require approval by a second account administrator before the action takes effect. Developers can query pending reviews via GoogleAdsService.Search or SearchStream with GAQL and resolve them using MultiPartyAuthReviewService.ResolveMultiPartyAuthReview. The rollout begins July 27, 2026 and will be enabled for all users over the following weeks. Google added support for multi-party approvals across major API versions (v24.2, v23.3, v22.2 and v21.2) and urges developers to update client libraries and application logic to handle the new workflows before the rollout date.
Google Ads API v24.2 Released
Google announced the v24.2 release of the Google Ads API (published 2026-06-25). The minor release includes security updates, multi-party approvals (MPA) to require secondary admin approval for sensitive account actions, and AI-transparency features that expose SyntheticContentInfo and SyntheticContentAttestation on Asset and Ad resources so advertisers and Google systems can attest to AI-generated creatives. Reporting and asset enhancements include Performance Max placement segmentation by ad_network_type, YouTube brand channel links, automatic landing-page text generation, and new experiment types (Campaign Mix Experiments and Performance Max feature testing). Google also published updated client libraries, revamped release notes and deprecation guidance, and released minor versions v23.3, v22.2 and v21.2 with early interfaces for synthetic content attestation.
Google Ads API pilot secures manager-account API access
Google is piloting a security feature for the Google Ads API that restricts sensitive API methods (account management, user management, billing) for accounts under a Google Ads manager hierarchy to a pre-approved allowlist of Google Cloud projects. Participating developers submit the top-level manager customer ID; Google audits API activity to identify associated applications and project numbers, then works with the manager to establish the allowlist. Unapproved applications attempting sensitive calls will fail. The pilot promises enhanced security and improved visibility into which applications can perform sensitive actions. Developers can apply via a Google form; allowlisting changes and opt-out changes are performed within 10 business days.
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