As an ad tech, report on how campaigns perform across different websites without relying on cookies or other tracking methods.

Measure your advertising reach

Use encrypted ad performance data in aggregate reports for analysis and campaign optimization
Learn how Aggregation Service generates summary reports of detailed conversion data and reach measurements from raw aggregatable reports
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Create reports using the Private Aggregation API and Shared Storage API with Aggregation Service.
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Before deploying to your public cloud provider, use our local tool to perform aggregation and generate a summary report.
Test locally
Aggregation Service is generally available to ad techs. Cross-cloud cryptographic key services are in development.
Proposal Status
Cross Cloud Privacy Budget Service
Explainer		 Available
Aggregation Service support for Amazon Web Services (AWS) across Attribution Reporting API, Private Aggregation API
Explainer		 Available
Aggregation Service support for Google Cloud across Attribution Reporting API, Private Aggregation API
Explainer		 Available
Aggregation Service site enrollment and multi-origin aggregation. Site enrollment includes mapping of a site to cloud accounts (AWS, or GCP). To aggregate multiple origins, they must be of the same site.
FAQs on GitHub
Site aggregation API documentation 		Available
The Aggregation Service's epsilon value will be kept as a range of up to 64, to facilitate experimentation and feedback on different parameters.
Submit ARA epsilon feedback.
Submit PAA epsilon feedback.		 Available. We will provide advanced notice to the ecosystem before the epsilon range values are updated.
More flexible contribution filtering for Aggregation Service queries
Explainer		 Available
Process for budget recovery post-disasters (errors, misconfigurations, and so on)
Explainer		 Available
Mechanism to review the percentage of shared IDs recovered by an ad tech using budget recovery and suspend future recoveries for excessive recoveries planned for H1 2025
Accenture operating as one of the Coordinators on AWS
Developer Blog		 Available
Independent party operating as one of the Coordinators on Google Cloud
Developer blog		 Available
Aggregation Service support for Aggregate Debug Reporting on Attribution Reporting API
Explainer		 Available
Cross-cloud cryptographic key services
Explainer		 Expected in H1 2025

Engage and share feedback

Your feedback is key to improving Aggregation Service.
For product questions and feature requests, create an issue in our GitHub repository. You may also check the status dashboard for known issues.
You can also submit feedback through the feedback form.