{"page":"/tools/ads-txt-sellers-json-validator","modified":"2026-10-18","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Variable","Status","Rule"],"rows":[["CONTACT","Optional","Human-readable contact for the file owner"],["SUBDOMAIN","Optional","Points to a subdomain with its own ads.txt; only root domains may refer to subdomains, and subdomains may not refer onward"],["INVENTORYPARTNERDOMAIN","Recommended where relevant","Domain of a partner authorized to monetize the content; one hop; applies only when inventorypartnerdomain is passed in the bid request; references ads.txt, not app-ads.txt"],["OWNERDOMAIN","Recommended","Business domain that owns the site or app, in PSL+1 form; only the first instance is used; if absent, the monetized domain is assumed to be the owner"],["MANAGERDOMAIN","Optional","Domain of a primary or exclusive monetization partner, in the form domain, [ISO 3166-1 alpha-2 country]; blank country means global; one manager per country; country entries override the global entry"]],"sourceUrls":[[],[],[],[],[]]}