This GitHub repository contains proposals for the Privacy Sandbox's Protected Auction server-side infrastructure that supports the Privacy Sandbox's client-side APIs.

Protected Auction includes Protected Audience and Protected App Signals ad targeting products.

• Overview of trust model / Coordinators
• Public cloud TEE requirements

• Bidding and Auction services
• Bidding and Auction services onboarding and self-serve guide
• Bidding and Auction services payload optimization
• Bidding and Auction services system design
• Multi seller auctions
  • Bidding and Auction services multi seller auctions
• Reporting
  • Protected Audience event level reporting with Bidding and Auction services
  • Protected Audience event level reporting for multi seller auctions
• Protected App Signals
  • Bidding and Auction services: Protected App Signals
  • Protected App Signals egress format
• Cloud support
  • AWS: Bidding and Auction services AWS cloud support and deployment guide
  • GCP: Bidding and Auction services GCP cloud support and deployment guide

• Key/Value service trust model
• Key/Value service use cases
• Key/Value service user-defined functions (UDFs)
• Key/Value sharding

• Protected App Signals: Ad Retrieval service

• Bidding and Auction services: Inference Overview

• Production operation
• Debugging protected audience api services
• Monitoring protected audience api services

• Bidding and Auction services: Cost

• Browser - Bidding and Auction services integration
• Android - Bidding and Auction services integration high level document

• Android - Protected App Signals

Additional explainers for Protected Audience API.

• Chrome FLEDGE proposal