{"page":"/blog/schain-ads-txt-sellers-json","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Item","ads.txt (and app-ads.txt)","sellers.json","SupplyChain object (schain)"],"rows":[["Published by","The publisher or app developer","Each SSP, exchange or other advertising system","Each seller, inside the bid request"],["Location","/ads.txt on the site's root domain; /app-ads.txt on the developer domain","/sellers.json on the system's root domain","source.schain in OpenRTB 2.6"],["Question it answers","Which accounts may sell my inventory?","Who is the company behind each account I pay?","Which accounts did this request pass through?"],["Key fields","System domain, account ID, DIRECT or RESELLER, OWNERDOMAIN, MANAGERDOMAIN","seller_id, seller_type, name, domain","complete, nodes[] with asi, sid, hp"],["Current version","1.1","1.0 (1.1 in draft)","1.0 (1.1 in draft)"],["Changes","When a seat is added or dropped","When a seller signs up or leaves","On every request"]],"sourceUrls":[[],[],[],[],[],[]]}