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Google Ads Developer Blog: privacy

On , the maximum number of user_identifers set in a UserData object will be reduced from 100,000 to 20. This is to clarify that each set should represent a single user.
On January 10, 2022, the maximum number of user_identifers set in a UserData object will be reduced from 100,000 to 20. This is to clarify that each set should represent a single user.

The table below illustrates uploading UserData for two users (John Doe and Max Mustermann), each of whom has two email addresses.




Correct usage 
operations: {
  create: {
    user_identifiers {
      hashed_email: hash(“johndoe@gmail.com”)
    },
    user_identifiers {
       hashed_email: hash(“johndoe@google.com”)
    } 
  }
}
operations: {
  create: {
    user_identifiers {
      hashed_email: hash(“maxmustermann@gmail.com”)
    },
    user_identifiers {
      hashed_email: hash(“maxmustermann@google.com”)
    }
  }
}
Incorrect usage 
operations: {
  create: {
    user_identifiers { 
      hashed_email:  hash(“johndoe@gmail.com”) 
    },
    user_identifiers {
      hashed_email:  hash(“johndoe@google.com”)
    },
    user_identifiers { 
      hashed_email: hash(“maxmustermann@gmail.com”)
    },
    user_identifiers { 
      hashed_email: hash(“maxmustermann@google.com”)
    }
  }
}

UserData is used for Customer Match and store sales uploads. In a given create/remove UserData operation, each set of user_identifiers should be for a single user.

Note that the same total amount of data can be sent in a single request, but each set of user_identifiers must represent a single person.

If the number of user_identifiers for a single set exceeds the new limit of 20, a TOO_MANY_USER_IDENTIFIERS error will be generated.

This will be applied to the two Google Ads API methods that provide UserData uploads:

If you have any questions or need additional help, contact us via the forum.
, Google Ads API Team
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- Cory Liseno, Google Ads API Team
With the updates listed below, we're improving the search term reports returned from both the Google Ads API and the AdWords API across all active versions.

Starting Sep 9, 2021, you'll be able to see more queries that meet our privacy standards in the search terms report for Search and Dynamic Search Ads campaigns. This new data will return for all searches on or after February 1st, 2021 when using the following reports and resources:

This update can help you identify more relevant keyword themes, making it easier to optimize your ads, landing pages, and more. Metric totals from search terms reports will now be consistent with other reports, such as campaign, ad group, and ad reports in Google Ads.

As part of our ongoing commitment to privacy, we’re working to make our privacy thresholds consistent across Google. Over the next few months, you’ll see more changes across our other tools–including how we handle historical data. In Google Ads, this means that historical query data in your account that was collected prior to September 1st, 2020 will be available until February 1st, 2022. At that point, any historical queries that no longer meet our current privacy thresholds will be removed from your search terms report.

If you have any questions about this change or any other API feature, please contact us via the forum.


- Cory Liseno, Google Ads API Team
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