Source Object

This object describes the nature and behavior of the entity that is the source of the bid request upstream from the exchange. The primary purpose of this object is to define post-auction or upstream decisioning when the exchange itself does not control the final decision.

AttributeTriplelift RequiredTypeDescription
fdno; recommendedintegerEntity responsible for the final impression sale decision, where 0 = exchange, 1 = upstream source
tidno; recommendedstringTransaction ID that much be common across all participants in this bid request
pchainno; recommendedstringPayment ID chain string containing embedded syntax described in the TAG Payment ID Protocol v1.0
extnoobjectPlaceholder for exchange-specific extensions to OpenRTB