{
  "version": "2026-10-12-v1",
  "source": "Coinbase Exchange public REST API",
  "product": "LTC-USD",
  "source_url": "https://api.exchange.coinbase.com/products/LTC-USD/candles?granularity=900&start=2026-10-11T10:30:00Z&end=2026-10-12T10:30:00Z",
  "request_started_utc": "2026-10-12T10:31:53.694303+00:00",
  "retrieved_at_utc": "2026-10-12T10:31:53.906859+00:00",
  "http_status": 200,
  "response_headers": {
    "Content-Type": "application/json; charset=utf-8",
    "Date": "Mon, 12 Oct 2026 10:31:53 GMT",
    "Cache-Control": "public, max-age=300, must-revalidate",
    "ETag": "W/\"801-+O7IuGulftxyhbwyTC0dbt4WLfk\""
  },
  "raw_body_bytes": 5201,
  "raw_sha256": "80a57e17249c13be5e1a7c977ba67a12b252c32bca1ef7aa85bcf07518d197f6",
  "granularity_seconds": 900,
  "window_start_utc": "2026-10-11T10:30:00Z",
  "window_end_exclusive_utc": "2026-10-12T10:30:00Z",
  "filter_rule": "window_start <= bucket_start < window_end AND bucket_start+900 <= window_end",
  "timestamp_kind": "bucket start UTC",
  "close_kind": "last trade price inside completed bucket, not trade timestamp",
  "authenticated": false,
  "real_trade_executed": false
}