{
 "service": "HoodCar Data API",
 "version": "v1",
 "auth": "header x-api-key: hc_live_...  (or ?key=)",
 "pricing": "https://hoodcar.com/data — graded-card market data, daily index since 2026-05-29",
 "endpoints": {
  "GET /v1/ping": "health check (no key)",
  "GET /v1/floor": "current floor snapshot per category — ?category=",
  "GET /v1/index": "daily price index time series — ?category= &label= &from=YYYY-MM-DD &to=",
  "GET /v1/sold": "aggregated sold-comp stats — ?q=card+name &grade=PSA+10 &days=30",
  "GET /v1/movers": "top movers by pct change (BETA) — ?category= &limit=",
  "GET /v1/categories": "discover valid categories & labels — add ?category= for that category's labels",
  "GET /v1/value": "HoodCar Value for a card query — ?q=card+name &grade=PSA+9 &min_price= &max_price= (median value + p25/p75 + min/max + per-grade ladder + confidence; derived, no raw listings)",
  "GET /v3/value": "Enriched Value — everything in /v1/value PLUS last_sale, sales_90d, trend_30d, liquidity, buy_score, and richer by-grade comps. population & watchers reserved (null) until captured."
 },
 "categories": [
  "baseball",
  "basketball",
  "combat",
  "football",
  "golf",
  "highend",
  "hockey",
  "magic",
  "misc",
  "other",
  "pokemon",
  "racing",
  "soccer",
  "tcg",
  "tennis",
  "vintage",
  "wnba",
  "wrestling",
  "yugioh"
 ],
 "docs": "https://docs.hoodcar.com/docs",
 "spec": "https://docs.hoodcar.com/v1/openapi.json",
 "terms": "Derived analytics only. No raw listing data. Resale of feed prohibited."
}