Get started with Private advertising

Get started on building your ads solution with the Privacy Sandbox, and enabling your critical advertising use cases without relying on cross-site tracking. Learn, build, and provide feedback on the Privacy Sandbox Private advertising APIs, which include Attribution Reporting, Protected Audience, Topics, Fenced Frames, and Shared Storage.

Get started for buy-side

Create and manage an audience and start an auction with the Protected Audience API.
Enable Privacy Sandbox on your test sites or devices.
Begin your implementation by joining an interest group or a custom audience.
Manage delegation and permissions, and refresh ads to keep them relevant to your audience.
Learn how to submit a bid in a Protected Audience auction to purchase ad space.
Learn how to generate an auction win and loss report.

Customize ad selection for buy-side

Dive deeper into optimizing the ad selection process.
Implement waterfall mediation to diversify ad demand sources.
Limit the number of times a user sees an ad associated with an audience with frequency capping.

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.

Get started for sell-side

Run an auction and score an ad with the Protected Audience API.
Enable Privacy Sandbox on your test sites or devices.
Learn how to configure and run an auction with single or multiple sellers.
Learn how a seller can control ad selection.
Learn about what signals are available for seller scoring logic and report results.

Explore the core Private advertising APIs

Learn about the different APIs that the Privacy Sandbox offers.
The Protected Audience API serves remarketing and custom audience use cases without third party cross-site tracking.
The Attribution Reporting API enables measurement of ad performance without third party cross-site tracking.
The Private Aggregation API has been built for aggregating and reporting on cross-site data in a privacy-preserving manner.
The Topics API enables interest-based advertising while preserving user privacy.

Explore the additional services, infrastructure, and APIs

Learn about the shared services that work with the Private advertising APIs.
The Aggregation Service processes aggregatable reports from the Attribution API or Private Aggregation API to create a summary report.
Shared Storage allows unlimited, cross-site storage write access with privacy-preserving read access.
The Bidding and Auction server allows a Protected Audience computation to take place in a trusted execution environment rather than running locally on device.
The SDK Runtime allows SDKs to run in a dedicated sandbox that's separate from the calling app.

Engage and share feedback

Ask questions and join discussions on the Privacy Sandbox Developer Support repo.
File a Chromium bug to ask questions about Privacy Sandbox on Chrome.