Buyer REST API Intended for automating real-time bidding and managing creatives. Learn more Buyer SOAP API Intended for managing large Ad Exchange accounts and campaigns. This API is an extension of the AdWords API. Learn more Real-Time Bidding protocol RTB allows applications to evaluate and bid on impressions in real time. Learn more Seller REST API Intended for retrieving seller performance reports and preferred deals. Learn more Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Last updated May 28, 2015.