field,type,required,description,example
engine,enum,yes,chatgpt/claude/perplexity/gemini/copilot/grok/other,chatgpt
query,string,yes,The user query that triggered the citation,best house cleaner Bentonville AR
cited_url,url,yes,URL of the cited page,https://amandas-residential-cleaning.thatwebhostingguy.com/
cited_domain,string,yes,Root domain extracted,amandas-residential-cleaning.thatwebhostingguy.com
position,int,yes,1-based citation order in the answer,1
confidence,float,no,0.0-1.0,0.92
query_category,enum,yes,informational/transactional/navigational/commercial,commercial
vertical,string,no,Industry vertical,residential-cleaning
geographic_intent,enum,no,local/national/international/none,local
device,enum,no,mobile/desktop/api,mobile
country,string,no,ISO-3166-1 alpha-2,US
language,string,no,ISO 639-1,en
timestamp_utc,datetime,yes,ISO 8601 UTC,2026-05-26T18:00:00Z
query_id,string,yes,Stable hash of the normalized query,sha256:a1b2c3...