Change Log

Exchange Specification for DSPs

Date	Change
2024-05-03	New attributes added to Bid Request table: imp.ext.tid imp.ext.gpid imp.rwdd device.ext.ifa_type
2024-02-12	gpp and gpp_sid attributes added to regs section of Bid Request table.
2023-08-21	[site,app,ota].content.genre attribute added to Bid Request table.
2023-08-11	[site,app,ota].content.id attribute added to Bid Request table.
2022-12-20	Updated Bid Request Example. Updated imp.audio.maxbitrate example value to 576. Note that the maxbitrate of 576 might not be valid until December 23, 2022 or possibly later.
2022-11-08	New bid request attribute: user.ext.consent
2022-11-01	Big request attributes that are not provided for OTA (Over The Air); are indicated.
2022-09-09	The source.ext.schain.nodes attribute now supports multiple nodes.
2022-09-08	New section: Points of Presence. New bid request fields: imp.pmp.deals.ext and imp.pmp.deals.ext.guaranteed
2022-08-26	New bid request attributes for OTA (Over The Air); OTA is a Triton Digital specification based on the OpenRTB DOOH specification that is currently under review at the IAB Tech Lab. More information about using OTA will be available soon.
2022-04-11	For Open RTB Implementation Request: audio.delivery: the example is no longer indicated as an exact value always sent, because we now support all values (1, 2, 3).
2021-01-19	New item in Open RTB Implementation Request: coppa.
2020-10-03	Five new items added to site/app.content in Open RTB Implementation Request: series, season, episode, title, url.
2020-09-02	Numerous updates to the OpenRTB Request attribute table.
2019-12-02	Title changed from a2x Specification for DSPs to Triton Digital Exchange Specification for DSPs.
2019-02-29	In OpenRTB Implementation, Response seatbid.seat is mandatory.
2018-09-18	Added site.cat to Inventory Targeting and OpenRTB Implementation, Request.
2018-06-01	Updated the "Campaigns" and "Tests" grids in Functional Tests.
2018-02-07	In inventory targeting, site.domain is now sent when it is available. Clarification to the warning in DSP Validation Tests; At this point the DSP is live and will be invoiced for all impressions.
2018-02-05	•Clarification added to Requirements on Buyer's Bid Response > Categories & Brands regarding the requirement for the "cat" field.
2017-12-07	Clarification of audio format duration in Requirements on Buyer's Bid Response.
2017-09-27	Corrected small typographical error.
2017-08-03	Small improvements for readability.
2017-07-24	Title of this document changed from a2x® Guide for DSPs to a2x® Specification for DSPs.
2017-06-21	The "OpenRTB Implementation" and "DSP Validation Tests" sections were added to this document from two previously separate documents.