FLEDGE: experiment and participate

Quick guide to implement and test the API. Set up privacy-preserving ad auctions to serve remarketing and custom audience use cases.

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Learn the essentials

Try the API

Caution

Not all users may be eligible for the Privacy Sandbox Relevance and Measurement origin trial, even on pages that provide a valid trial token.

Testing the Privacy Sandbox ads relevance and measurement APIs explains why this is so, and shows how you can (and should) detect if an origin trial feature is available before attempting to use it.

  1. Try the demo. This provides a walkthrough of a basic FLEDGE implementation. The FLEDGE demo video explains how the demo code works, and shows how to use Chrome DevTools for FLEDGE debugging.
  2. Check the Privacy Sandbox status page for updates on the implementation status of the FLEDGE API.
  3. Experiment with the API:

Get support

Is anything blocking you from experimenting with the API? Ask a question about your implementation, about the demo, or about the documentation:

For bugs and issues with the implementation of the FLEDGE API in Chrome:

Join the discussion

Everyone is welcome to join in discussion of the FLEDGE proposal. In particular, if you're experimenting with the API, your feedback is essential.

Discuss the API

Like other Privacy Sandbox proposals, this API is documented and discussed publicly.

Give feedback

  • Use the Privacy Sandbox feedback form to share feedback privately with the Chrome team outside of public forums.
  • Privacy Sandbox Feedback explains how to provide other types of feedback, and how to engage in discussion of Privacy Sandbox proposals.

Get updates

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