Starting on July 8, 2021 , all standalone Gmail campaigns will become read-only. This means that you will not be able to create new campaigns or create ad groups in existing campaigns of this type after that date. This applies not only to the Google Ads and AdWords APIs, but also to any other interface you use to manage your Google Ads accounts.AdvertisingChannelSubTypeDISPLAY_GMAIL_AD, where the following operations will fail with an OPERATION_NOT_PERMITTED_FOR_CONTEXTDISPLAY_GMAIL_AD:
Creating a new Gmail campaign.
Creating a new Gmail ad group.
Creating or updating Gmail ads.
Existing campaigns’ data will still be available.Discovery campaigns , which include Gmail ads, in the Google Ads web interface .forum so that we can help. - Mike Cloonan, Google Ads API Team
