On June 8, 2023 , Audience Composition Reports will be deprecated in Display & Video 360. This means that you will no longer be able to retrieve, create or run Audience Composition Reports using the Bid Manager API .
In the Bid Manager API, an Audience Composition Report is a Query ReportType AUDIENCE_COMPOSITION assigned to params.type 
Any request to the queries queries.reports  All queries.create  All queries.list   
To avoid an interruption of service, we recommend that you stop creating or retrieving any existing reports of this type.
If you have questions regarding this change, please contact us using our support contact form .