Returns one column from the history table for the universe.
The column must be one of the names returned by /metrics.
Use this when you want a single time series — e.g. to chart
ai_avg_trust_position over the last 30 days. For the full
history row in one call, use /universes/{id}/history instead.
Generate a key at /dashboard/settings/api-keys. Pass it as
Authorization: Bearer vso_xxx on every request.
Universe UUID — see GET /universes.
Column name from /metrics.
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 Most-recent N days back from day (or today).
1 <= x <= 90