Hi Google Ads API team, thanks for the answer!
Just to explain a problem I face. We are active Google Ads API users
pulling a lot of data. So we have a lot of data stored in our DBs.
For each ad network we have separate data breakdown stored. So as example
with API V19 we got:
*Campaign Name Campaign Type Network
Day Impressions *
Campaign 1 Performance Max GOOGLE_OWNED_CHANNELS
2025-09-01 1000
And with API V20 instead we get:
*Campaign Name Campaign Type Network Day
Impressions *
Campaign 1 Performance Max DISCOVERY 2025-09-01
700
Campaign 1 Performance Max MAPS 2025-09-01
300
So basically we need to purge and reload data in our system to not have
duplicated data.
And at this point I'm interested in the following information, because as I
wrote we have a big amounts of data to deal with.
1. Does support know the *EXACT DATE* before which we won't get new
ad_network_type values—MAPS, GMAIL, and DISCOVER values using API V20?
2. Could support suggest some limitation or filter, will it be fair to say
that only *Campaign Type = *Performance Max supports new ad_network_type
values—MAPS, GMAIL, and DISCOVER?
Thanks so much for your help! I think the answers will be useful for the
other developers as well!
Oksana
On Thursday, September 25, 2025 at 11:25:21 PM UTC+3 Google Ads API Forum
Advisor wrote:
> Hi,
>
> Thank you for reaching out to the Google Ads API support team.
>
> Find the answers below for your queries.
>
> *For question 1: *The new granular ad_network_type values—MAPS, GMAIL,
> and DISCOVER—are *not* exclusively limited to Demand Gen campaigns, but
> the change was implemented to provide granular reporting for them.
>
> - No, not strictly only for Demand Gen campaigns.
> - The new, granular values (MAPS, GMAIL, DISCOVER, etc.) are now
> available as ad_network_type segments.
> - *Performance Max*
>
> <https://support.google.com/google-ads/answer/10724817?hl=en#:~:text=It's%20designed%20to%20complement%20your,Discover%2C%20Gmail%2C%20and%20Maps.>
> is also designed for across all of Google's channels like YouTube,
> Display, Search, *Discover*, *Gmail*, and *Maps. *Thus, they are not
> strictly available ONLY for Demand Gen.
>
> *For Question 2: *For historical data (before the split date), querying
> with the v20 API will still return GOOGLE_OWNED_CHANNELS, as this value is
> now reserved for historical records. As per the API documentation, “*this
> value will only be used for historical data*
> <https://developers.google.com/google-ads/api/reference/rpc/v21/AdNetworkTypeEnum.AdNetworkType#:~:text=this%20value%20will%20only%20be%20used%20for%20historical%20data.>,"
>
> confirming that when you query a date range prior to the actual data split,
> the API (even v20 and later) probably will return *GOOGLE_OWNED_CHANNELS*
> because the source data itself was logged under this aggregated value.
>
> I hope it helps. Kindly get back to us if you have any further questions
> or concerns related to the Google Ads API.
> Thanks,
>
> [image: Google Logo] Google Ads API Team
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