{
  "captured_at": "2026-09-12T19:36:37.938246+00:00",
  "request_path": "/v1/prices/past_year?interval=1d&by_code=DIESEL_RETAIL_USD",
  "snapshot_window": [
    "2026-06-01",
    "2026-09-11"
  ],
  "observations": 16,
  "source": "OilPriceAPI",
  "date_basis": "reported dates; not guaranteed source publication or contract effective dates",
  "selection": "all returned dates in window",
  "units": "USD/gallon rounded to cents",
  "api_metadata": {
    "metadata": {
      "window": "past_year",
      "interval": "daily",
      "start_at": "2025-09-12T19:36:37Z",
      "end_at": "2026-09-12T19:36:37Z",
      "contract": {
        "basis": "UTC created_at buckets over an inclusive historical window",
        "expected_min_buckets_per_code": null,
        "expected_max_buckets_per_code": null,
        "boundary_note": "Hourly windows may include the current partial hour, so complete counts can be one bucket above the nominal hour count."
      },
      "pagination": {
        "page": 1,
        "per_page": 500,
        "default_expanded_for_complete_window": true
      },
      "completeness": {
        "evaluated": false,
        "complete": null,
        "returned_buckets_by_code": {
          "DIESEL_RETAIL_USD": 45
        },
        "complete_by_code": {},
        "warning": "Completeness is not evaluated for this interval."
      },
      "availability": {
        "complete": true,
        "requested_count": 1,
        "returned_count": 1,
        "missing_count": 0,
        "missing_codes": [],
        "missing": []
      },
      "quarantine": {
        "applied": true,
        "excluded_dates_count": 14,
        "codes": [
          "DIESEL_RETAIL_USD"
        ],
        "entries": [
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-09-15",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-09-22",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-09-29",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-10-06",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-10-13",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-10-20",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-10-27",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-11-03",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-11-10",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-11-17",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-11-24",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-12-01",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-12-08",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          },
          {
            "code": "DIESEL_RETAIL_USD",
            "date": "2025-12-15",
            "reason": "legacy EIA historical backfill was published with invalid scaling"
          }
        ],
        "entries_truncated": false,
        "message": "Verified unreliable historical values were withheld from this response; no source rows were deleted.",
        "recovery": "Retry after a source-backed repair is published, or contact support with the code and date for status."
      }
    }
  }
}