Hi,
Thank you for reaching out to the Google Ads API support team.
In order to assist further, can you confirm whether your requirement (get all products in a particular category based on custom labels" without querying products) is possible to do from the Google Ads UI? If yes, I would request you to provide an uncropped UI screenshot of the Google Ads account (with visible customer ID) by highlighting the fields which you want to retrieve through the Google Ads API, so that we can check whether the same feature is available in the API.
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