Nabbil Shabbir

Google Ads API security update is a practical update that gives advertisers and developers more control, more visibility, and better preparation. It is not a dramatic overhaul, but it adds several useful improvements that matter for teams managing large accounts, Performance Max campaigns, and AI-generated creative.

Google has released Google Ads API v24.2 as a new version focused on three main areas: stronger account security, AI transparency, and deeper reporting for Performance Max campaigns. It also adds new experimentation options and some cleanup to the documentation, which should make future upgrades.

Stronger account security Google Ads API security updateHow to Label AI-generated ads in Google Ads API v24.2

One of the biggest additions in v24.2 is support for multi-party approvals, often called MPA. This feature requires a second administrator to approve sensitive actions, such as inviting new users or changing access levels inside an account. For agencies and large advertisers, that extra approval step can reduce the risk of unauthorized changes and create a clearer internal approval process.

In practice, this means important account actions no longer depend on a single person. If a team member tries to make a sensitive change, another admin must confirm it before the action goes through. That may add a small amount of friction, but it also adds an important layer of protection for accounts that manage large budgets or multiple stakeholders.

AI transparency tools

Another major part of the release is support for AI-generated content disclosures. Google Ads API v24.2 introduces new fields called SyntheticContentInfo and SyntheticContentAttestation for assets and ads, which allow developers to detect and label AI-generated creative in a structured way. This makes it easier for platforms and advertisers to keep track of which parts of an ad were generated or assisted by AI.

This update is especially important for advertisers preparing for the EU AI Act, which is expected to introduce stricter transparency requirements. With these new fields, teams can start building workflows that identify AI-generated content automatically instead of handling it manually. The attestation fields are still read-only until v25, but developers can begin preparing their integrations now so they are ready when the next version opens up full support.

Better Performance Max reporting

Bold Text Generator campaigns also get a useful boost in this release. One of the most requested changes is the ability to segment performance_max_placement_view reports by ad_network_type. That gives advertisers a better understanding of where ads are actually showing across Search, Display, and partner inventory, which has often been a pain point in Performance Max reporting.

This kind of visibility matters because Performance Max has historically been harder to analyze than traditional campaign types. Advertisers often want more clarity on where budget is going and how different placements contribute to results. With this update, reporting becomes more granular, which should help teams make smarter decisions about optimization, budgeting, and creative strategy.

Google has also added YouTube brand channel linking through the API. That makes it easier to connect video campaign assets and manage related integrations programmatically. Alongside that, there is a new landing page text generation option that can automatically create text assets based on a website’s landing page, giving advertisers another way to speed up creative production.

New experiment options

Google Ads API v24.2 also expands experimentation capabilities. The new COMPARE_CAMPAIGNS workflow allows advertisers to compare multiple campaigns or campaign types across up to five experiment arms. That includes custom Performance Max experiments, which can be useful for testing different strategies side by side before scaling a change.

The second experiment type focuses on testing text customization and final URL expansion inside a single Performance Max campaign. It does this by splitting traffic between different variations, so advertisers can measure which setup performs better. This is a valuable addition for teams that want to test changes more scientifically instead of guessing which version of a campaign will work best.

These experiment features matter because they help advertisers make decisions based on evidence. Instead of changing a campaign and hoping for the best, teams can compare results more cleanly and see which variation is actually driving stronger performance. That is especially helpful in Performance Max, where attribution and optimization can otherwise feel opaque.

Documentation changes

Google also made some changes to the release notes and documentation structure. The update separates breaking changes from feature updates, and it adds a dedicated guide for feature deprecations and unversioned changes. That may sound minor, but it can save developers time when they are planning upgrades or checking whether a new version affects existing integrations.

Clearer documentation matters because API releases can be difficult to navigate when updates, deprecations, and breaking changes are all mixed together. By organizing the notes more carefully, Google is making it easier for developers to understand what changed, what needs action, and what can be adopted later. Over time, that should reduce confusion and make version upgrades smoother.

Why it matters

This release may not be revolutionary, but it does address several real needs advertisers have been asking for. Security-conscious teams get stronger approval controls, developers get tools to support AI transparency, and Performance Max users get better reporting and testing options. Together, these changes make the platform easier to manage and more aligned with the direction digital advertising is heading.

The AI disclosure updates are especially timely because regulations are moving toward greater transparency around synthetic content. At the same time, the new reporting and experimentation tools should help advertisers get more value from Performance Max campaigns, which remain important but sometimes difficult to analyze. For agencies and enterprise advertisers, that combination of compliance support and better insight is likely the most useful part of the release.

Final take

Google Ads API v24.2 is a solid incremental upgrade from v24.1. It does not radically change how the API works, but it adds meaningful features for AI disclosure, account security, Performance Max reporting, and campaign experimentation. For developers and advertisers, the main value is that it makes the platform more transparent, more secure, and a little easier to optimize.