Understand user journeys from ad click to purchase, without invasive cross-site tracking. Use the Attribution Reporting API for browser-generated reports that match ad interactions with conversions while limiting sensitive data sharing.

Measure ad performance for buy-side

Gain insightful data on how an ad is performing with the Attribution Reporting API.
Learn how to register different types of ad events, such as clicks and views.
Reporting of the bid price of a winning ad, summing across wins, and handling campaign budget.
Measure when a conversion can be attributed to an ad.
Test how the API generates event-level and aggregatable reports.

Engage and share feedback

Your feedback is key to improving the Attribution Reporting API. By sharing your insights, you contribute to the development of a privacy-respecting approach to conversion measurement.
For implementation and integration questions, create an issue on the developer support repository. You can also file a Chromium bug.
For general questions about the API, create an issue in the Attribution Reporting repository.
Follow Attribution Reporting API updates and announcements on the mailing list.