Hello Google Ads Team,
We are working on Demand Gen campaign creation and management through the
Google Ads API and would like clarification regarding Third-party
Measurement configuration shown in the Google Ads UI for Demand Gen
campaigns.
Specifically, in the Google Ads UI, under Campaign → Third-party
measurement, there is an option to:
- Select Measurement type (e.g., Viewability)
- Choose a Vendor (e.g., DoubleVerify)
- Provide Client ID and Reporting ID
We would like to understand the API support and limitations for this
functionality.
### Our questions:
1. API Creation / Update
- Is it possible to create or update Third-party Measurement settings
for Demand Gen campaigns using the Google Ads API?
- If yes:
- Please specify the API resource(s) involved (e.g., Campaign,
CampaignExtensionSetting, CustomMeasurement, etc.).
- Please share sample mutate requests or field mappings.
- Please confirm whether this is supported for Demand Gen campaigns
specifically.
2. API Retrieval / Read
- Is it possible to retrieve existing Third-party Measurement
configurations (vendor, client ID, reporting ID) via:
- Google Ads API resources, or
- GAQL queries?
- If yes:
- Please provide the GAQL query or resource fields that expose this
data.
3. If Not Supported
- If Third-party Measurement for Demand Gen campaigns cannot be created,
updated, or retrieved via the Google Ads API, please confirm:
- That this feature is UI-only (Google Ads dashboard).
- The reason (e.g., limited Demand Gen coverage, vendor-side
integration, policy or product limitation).
- Whether this limitation applies to all third-party vendors (e.g.,
DoubleVerify, IAS, MOAT).
4. Documentation Confirmation
- If available, please share official documentation or release notes
confirming the API availability or lack of support for Third-party
Measurement in Demand Gen campaigns.
This information is important for us to determine whether this feature
should be:
- Fully supported in our application,
- Marked as UI-only, or
- Explicitly excluded from API-based workflows.
Thank you for your guidance.[image: Screenshot from 2025-12-18 19-51-57.png]
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