Google Ads Developer Blog: audiences

New Data Manager API channels on Discord

2026 m. balandžio 7 d., antradienis

We're excited to announce the addition of new channels for the Data Manager API on our “Google Advertising and Measurement Community” Discord server. To join, just click this invite link and follow the onboarding guide. Our team will be on this server regularly to interact with the Data Manager API community, answering questions and gathering feedback in the #data-manager-api channel. We’ll also keep you up to date on the latest Data Manager API news in the #announce-data-manager-api channel. If you have any questions or want to discuss this post, please reach out to us on the “Google Advertising and Measurement Community” Discord server. We look forward to seeing you there and hearing your thoughts on how we can continue to improve the Data Manager API!

- Josh Radcliff, Data Manager API Team

Upcoming changes to Lookalike user lists in the Google Ads API, starting April 30, 2026

2026 m. kovo 19 d., ketvirtadienis

Google Ads is committed to providing a reliable and efficient environment for all advertisers. To ensure that our systems remain stable and that resources are allocated fairly, we are introducing a uniqueness check for Lookalike user lists that prevents the creation of duplicate lists. These changes primarily impact Demand Gen campaigns and will begin to be enforced starting on April 30, 2026. A Lookalike user list is considered a duplicate if it shares all of the following attributes with an existing list:

Seed lists: The underlying source audiences used to build the Lookalike.

Expansion level: The degree of similarity to the seed lists.

Country targeting: The geographical reach of the Lookalike list.

If an advertiser attempts to create a duplicate list after April 30, 2026, the Google Ads API will return the error code DUPLICATE_LOOKALIKE for v24 and beyond. For earlier versions, the error will be RESOURCE_ALREADY_EXISTS. What this means for you For the majority of advertisers, these changes will go unnoticed, as most current usage falls well within these new boundaries. However, to ensure a smooth transition, we recommend the following:

Reuse audiences: Instead of creating a new, identical Lookalike list, verify if an existing one with the same configuration can be reused in your campaigns.

Update error handling: If you use the Google Ads API, ensure your integrations are prepared to handle the new error starting on April 30, 2026: v24 will return the DUPLICATE_LOOKALIKE error code and all previous versions will return RESOURCE_ALREADY_EXISTS.

If you have any questions or want to discuss this post, please reach out to us on our “Google Advertising and Measurement Community” Discord server.

- Dora Sun - Google Ads API Team

Announcing user list management and enhanced audience ingestion for the Data Manager API

2026 m. vasario 17 d., antradienis

We're excited to announce the release of v1.5 of the Data Manager API, delivering a more comprehensive platform for data management. This update introduces powerful new capabilities for managing user lists alongside expanded options for audience member ingestion. End to end user list management The UserListService now allows you to oversee the lifecycle of your user lists entirely through the Data Manager API. It provides core resource management operations such as create, retrieve, update, and delete methods for UserLists, enabling full control over your audience management workflows. Partner links The introduction of the PartnerLinkService provides a secure way to manage connections between advertiser and data partner accounts across Google Ads and Display & Video 360. Expanded audience member identifiers The Data Manager API now supports additional user identifiers for audience ingestion. You can now upload User IDs, which can be used for Customer Match in Google Ads. We’ve also integrated status reporting specific to User ID when you retrieve diagnostics for your ingestion requests. These updates make it easier to monitor User ID ingestion and quickly identify any issues. Get started

Check out these Customer Match guides for a step-by-step walkthrough on how to create, populate, and verify audiences using the Data Manager API:

Use the following guides to upgrade your existing Customer Match workflows to gain access to future improvements and features:

Learn how to manage connections with data partners using the Partner links guides.

If you have questions or need help, contact us through the support page. If you’re interested in becoming a data partner, please fill out the Partner Interest Form.

- Lindsey Volta, on behalf of the Data Manager API Team

Change to updates of Google Ads custom audience types

2023 m. rugpjūčio 8 d., antradienis

Starting September 27, 2023 you will see a change if you use custom audiences. You will no longer be able to update a custom audience type once you create the custom audience. For example, if you set the type to AUTO or INTEREST, then you cannot update it to the type SEARCH in the Google Ads API. This change ensures that your campaign continues to serve by making sure that your custom audience remains eligible. What do I need to change? Modify your code so it avoids attempting to update the type of an existing CustomAudience. If your code attempts to update the type field after September 27, 2023 then the API will return a CustomAudienceError.INVALID_TYPE_CHANGE error. Where can I get support? If you have questions, please reach out to us on the forum or at googleadsapi-support@google.com.

Nadine Wang, Google Ads API Team

Upcoming changes to Google Analytics audiences and conversions in Google Ads

2023 m. balandžio 13 d., ketvirtadienis

What's changing Starting in April 2023, Google Analytics 4 (GA4) will automatically set up a basic GA4 property linked to your Google Ads account if the Google Ads account still uses Universal Analyticsconversions and/or audiences. During this process, GA4 will configure corresponding conversions and/or audiences in GA4 and apply them in your Google Ads account. This will happen even if you already have a GA4 property but still use Universal Analytics conversions and/or audiences in Google Ads. Options for handling these changes The configuration created by GA4 may not be set up to meet your specific business goals or capture all the historical data you need, so we recommend you start manually moving your conversions and/or audiences to GA4 now. If you don’t want the GA4 Setup Assistant to make these changes, you may opt out by the end of April. If you don’t want an automatically set up GA4 property at all, you can also opt out of the entire process. What you should know Universal Analytics standard properties will stop processing new data from July 1, 2023 onwards. GA4, our next-generation measurement solution, will become the sole Google Analytics standard property type. This impacts Universal Analytics conversions, audiences, and site stats currently used in your Google Ads campaigns. We recommend that you switch to GA4 now to ensure your campaigns and ad groups are effectively moved to GA4 conversions, site stats, and audiences. If you’re unsure whether a GA4 property has been created, please contact the admin user for your Universal Analytics property in Google Analytics to verify. Resources to help you migrate to Google Analytics 4 For an overview of functionality and features in UA and GA4, including APIs, check out the Universal Analytics to GA4 migration reference. For API integrations:

If you previously used the Google Analytics Management API v3 to manage your Universal Analytics properties, migrate to the Admin API v1.

If you previously used the Google Analytics Reporting API v4 to run reports in your Universal Analytics properties, migrate to the Data API v1.

How to get help

If you have any questions about migrating to the Admin API v1 or Data API v1, reach out to us using one of the channels on the Admin API help or Data API help pages.

For non-API questions, please check out the resources in the Google Analytics Help Center and the Google Ads Help Center.

- Josh Radcliff, Google Analytics and Google Ads API Team

Ads Developer Blog

New Data Manager API channels on Discord

Upcoming changes to Lookalike user lists in the Google Ads API, starting April 30, 2026

Announcing user list management and enhanced audience ingestion for the Data Manager API

Change to updates of Google Ads custom audience types

Upcoming changes to Google Analytics audiences and conversions in Google Ads

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