Same row format as /universes/{id}/brands but filtered to
one brand. Match is case-insensitive against brand_name.
Returns 404 if the brand isn’t tracked in this universe (or
if no history row matches the day/engine filters).
Generate a key at /dashboard/settings/api-keys. Pass it as
Authorization: Bearer vso_xxx on every request.
Universe UUID — see GET /universes.
Brand identifier to look up — typically the domain
(semrush.com) or the brand name string as it appears in
ai_visibility_ranking[].brand_name. URL-encode if it
contains characters needing escape (slashes, spaces).
Pin the query to a specific day (YYYY-MM-DD). Without this, returns the most recent day.
Filter to a single AI engine. Omit for all.
chatgpt, gemini, grok, claude OK
Synthesised per-brand summary built from the universe's
latest history row. The response of /universes/{id}/brands
is an array of these; /universes/{id}/brands/{brand} is one
of them.