{
  "model": "grayson-1",
  "state": {
    "fleet_account": {
      "fleet": "Brightwater Reefer Lines Inc, Nampa, ID (refrigerated truckload)",
      "customer_since": "2016-03-02",
      "fleet_size": "64 tractors, 70 reefer trailers, 66 cards (vehicle cards with driver ID prompts)",
      "credit_line_usd": 400000,
      "balance_usd": 172930.55,
      "payment": "Twice-weekly ACH draft, never returned",
      "fleet_manager": "Dana Whitcomb, fuel manager, (208) 555-0164; alerts by email",
      "telematics_integration": "Since 2022-07: tractor positions, odometer, engine fuel level and ELD duty status; trailer reefer units report tank level, setpoint and mode",
      "fraud_history": "Two counterfeit-card cases in 2025 (both from a skimmer in Nevada); one driver dismissed in 2023 for fueling a personal pickup"
    },
    "card": {
      "card": "x7731, magnetic stripe, issued 2025-06-19, expires 2028-06",
      "type": "Vehicle card for unit 7731: prompts for driver ID and odometer; any driver on the fleet's list may use it",
      "assigned_unit": "7731",
      "controls": {
        "products": "ULSD, reefer fuel, DEF, oil, scale tickets; no gasoline, merchandise or cash",
        "per_transaction": "220 gallons, $1,000",
        "per_day": "4 fuel transactions, 400 gallons",
        "merchants": "Truck stops on our network in the US and Canada"
      },
      "status": "Active; no lost, stolen or compromise reports"
    },
    "driver_assignment": [
      {
        "driver_id": "40217",
        "name": "Gary Lindqvist",
        "unit_7731": "2024-08-12 to 2026-09-27",
        "note": "Left the fleet; removed from the driver list 2026-09-28"
      },
      {
        "driver_id": "40388",
        "name": "Luis M. Ortega",
        "unit_7731": "Since 2026-09-28",
        "note": "Hired 2022-04-11; drove unit 7718 until 2026-09-27; no exceptions in 12 months"
      }
    ],
    "unit": {
      "unit": "7731",
      "vehicle": "2023 Freightliner Cascadia 126, sleeper tractor, Detroit DD15",
      "fuel_tanks": "Two 150-gallon tanks (300 gallons)",
      "def_tank_gal": 23,
      "trailer": "Reefer trailer R-6631, 50-gallon reefer tank",
      "typical_fill": "130 to 210 gallons when the tanks are a quarter to a half full",
      "ecu_mpg_90_days": 6.6
    },
    "current_load": {
      "load": "Frozen potato products, Nampa, ID to Dallas, TX (new customer lane; first run, picked up 2026-10-01)",
      "delivery_appointment": "2026-10-04T19:00:00Z, Dallas, TX",
      "route": "I-84, I-80, US-287 through Colorado, Oklahoma and Texas"
    },
    "history_summary": {
      "window": "2026-07-06 to 2026-10-03T16:58:11Z",
      "transactions": 49,
      "diesel_fills": 25,
      "diesel_gallons": 4266.9,
      "median_fill_gal": 166.9,
      "p90_fill_gal": 202.4,
      "largest_fill_gal": 218,
      "pumped_minus_ecu_added_gal": {
        "median": 1.4,
        "min": -7.1,
        "max": 6
      },
      "telematics_miles": 27602,
      "ecu_fuel_used_gal": 4342.1,
      "spend_usd": 19896.79,
      "transactions_by_merchant_brand": {
        "FLYING J": 24,
        "LOVES": 14,
        "TA": 7,
        "PILOT": 4
      }
    },
    "legend": {
      "products": "Gallons per product at the pump or fuel desk: ULSD = ultra-low-sulfur diesel for the tractor; REEFER = dyed off-road diesel for the trailer's refrigeration unit; DEF = diesel exhaust fluid; OIL = engine oil (quarts); SCALE = certified scale weigh; MERCH = store merchandise",
      "card_read": "Magnetic stripe at the pump or the fuel desk; these cards have no chip",
      "driver_id": "Driver ID entered at the prompt, checked against the fleet's driver list",
      "odometer_telematics": "Engine odometer from the fleet's telematics at the time of the swipe",
      "unit_distance_mi": "Distance from the assigned unit's last telematics position to the merchant at the swipe",
      "ecu_fuel_pct": "Engine fuel level before the swipe and 20 minutes after the fill completed, from telematics",
      "ecu_added_gal": "Gallons the fuel-level change implies (tank capacity times the change); usually within about 6 gallons of the pumped gallons because of sender accuracy and tank slope"
    },
    "card_transactions": {
      "columns": [
        "ts",
        "merchant",
        "pump",
        "products",
        "diesel_gal",
        "amount_usd",
        "card_read",
        "driver_id",
        "unit_entered",
        "odometer_entered",
        "odometer_telematics",
        "unit_distance_mi",
        "ecu_fuel_pct",
        "ecu_added_gal",
        "response",
        "note"
      ],
      "rows": [
        [
          "2026-07-07T16:20:18Z",
          "FLYING J #0692 TREMONTON UT",
          "5",
          "ULSD 153.0; DEF 9.7",
          153,
          697.37,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          572308,
          572308,
          0,
          "48 -> 97",
          147,
          "Approved",
          ""
        ],
        [
          "2026-07-09T16:09:51Z",
          "FLYING J #0738 ELLENSBURG WA",
          "5 (reefer)",
          "REEFER 25.5",
          0,
          87.82,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          573188,
          573188,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-07-09T16:19:51Z",
          "FLYING J #0738 ELLENSBURG WA",
          "9",
          "ULSD 143.1",
          143.1,
          561.52,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          573188,
          573188,
          0,
          "50 -> 96",
          138,
          "Approved",
          ""
        ],
        [
          "2026-07-12T17:16:26Z",
          "LOVES #0587 CEDAR CITY UT",
          "2 (reefer)",
          "REEFER 19.0",
          0,
          73.34,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          574190,
          574190,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-07-12T17:26:26Z",
          "LOVES #0587 CEDAR CITY UT",
          "10",
          "ULSD 154.5",
          154.5,
          670.53,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          574190,
          574190,
          0,
          "45 -> 96",
          153,
          "Approved",
          ""
        ],
        [
          "2026-07-15T20:45:52Z",
          "TA #0262 JEROME ID",
          "13 (reefer)",
          "REEFER 30.6",
          0,
          109.7,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          575450,
          575450,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-07-15T20:59:52Z",
          "TA #0262 JEROME ID",
          "5",
          "ULSD 197.9; DEF 8.9",
          197.9,
          838.91,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          575450,
          575450,
          0,
          "34 -> 99",
          195,
          "Approved",
          ""
        ],
        [
          "2026-07-20T17:22:13Z",
          "TA #0262 JEROME ID",
          "9",
          "ULSD 151.4",
          151.4,
          601.97,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          576436,
          576434,
          0,
          "46 -> 96",
          150,
          "Approved",
          ""
        ],
        [
          "2026-07-23T19:12:53Z",
          "LOVES #0587 CEDAR CITY UT",
          "14 (reefer)",
          "REEFER 42.7",
          0,
          163.5,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          577694,
          577694,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-07-23T19:19:53Z",
          "LOVES #0587 CEDAR CITY UT",
          "2",
          "ULSD 203.9",
          203.9,
          878.61,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          577694,
          577694,
          0,
          "30 -> 97",
          201,
          "Approved",
          ""
        ],
        [
          "2026-07-27T17:18:14Z",
          "FLYING J #0711 SNOWVILLE UT",
          "2 (reefer)",
          "REEFER 27.4",
          0,
          97.19,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          578746,
          578746,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-07-27T17:30:14Z",
          "FLYING J #0711 SNOWVILLE UT",
          "13",
          "ULSD 161.7; DEF 12.1",
          161.7,
          702.47,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          578746,
          578746,
          0,
          "43 -> 97",
          162,
          "Approved",
          ""
        ],
        [
          "2026-07-31T16:07:10Z",
          "FLYING J #0698 JEROME ID",
          "13 (reefer)",
          "REEFER 20.0",
          0,
          69.38,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          580144,
          580144,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-07-31T16:14:10Z",
          "FLYING J #0698 JEROME ID",
          "9",
          "ULSD 218.0",
          218,
          860.88,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          580144,
          580144,
          0,
          "23 -> 96",
          219,
          "Approved",
          ""
        ],
        [
          "2026-08-03T21:47:02Z",
          "LOVES #0587 CEDAR CITY UT",
          "6 (reefer)",
          "REEFER 30.4",
          0,
          114.18,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          581404,
          581404,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-03T21:57:02Z",
          "LOVES #0587 CEDAR CITY UT",
          "11",
          "ULSD 202.4",
          202.4,
          857.37,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          581404,
          581404,
          0,
          "29 -> 96",
          201,
          "Approved",
          ""
        ],
        [
          "2026-08-08T16:21:17Z",
          "FLYING J #0711 SNOWVILLE UT",
          "4 (reefer)",
          "REEFER 21.1",
          0,
          75.26,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          582456,
          582456,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-08T16:33:17Z",
          "FLYING J #0711 SNOWVILLE UT",
          "10",
          "ULSD 164.4; DEF 6.1",
          164.4,
          689.91,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          582456,
          582456,
          0,
          "42 -> 95",
          159,
          "Approved",
          ""
        ],
        [
          "2026-08-10T19:25:14Z",
          "LOVES #0622 LAS VEGAS NV",
          "8 (reefer)",
          "REEFER 19.8",
          0,
          69.91,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          583472,
          583472,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-10T19:35:14Z",
          "LOVES #0622 LAS VEGAS NV",
          "10",
          "ULSD 161.1",
          161.1,
          646.17,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          583474,
          583472,
          0,
          "44 -> 96",
          156,
          "Approved",
          ""
        ],
        [
          "2026-08-13T16:46:12Z",
          "PILOT #0414 OGDEN UT",
          "10 (reefer)",
          "REEFER 24.8",
          0,
          87.57,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          584398,
          584398,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-13T16:54:12Z",
          "PILOT #0414 OGDEN UT",
          "10 (satellite on)",
          "ULSD 148.0; OIL 2 qt",
          148,
          608.61,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          584398,
          584398,
          0,
          "46 -> 96",
          150,
          "Approved",
          ""
        ],
        [
          "2026-08-18T18:35:02Z",
          "FLYING J #0704 BAKER CITY OR",
          "12 (reefer)",
          "REEFER 22.4",
          0,
          74.46,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          585532,
          585532,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-18T18:49:02Z",
          "FLYING J #0704 BAKER CITY OR",
          "11",
          "ULSD 188.9; DEF 12.1",
          188.9,
          769.52,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          585532,
          585532,
          0,
          "35 -> 99",
          192,
          "Approved",
          ""
        ],
        [
          "2026-08-23T18:35:50Z",
          "TA #0262 JEROME ID",
          "6 (reefer)",
          "REEFER 20.3",
          0,
          69.53,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          586554,
          586554,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-23T18:42:50Z",
          "TA #0262 JEROME ID",
          "10",
          "ULSD 148.4",
          148.4,
          579.5,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          586554,
          586554,
          0,
          "46 -> 94",
          144,
          "Approved",
          ""
        ],
        [
          "2026-08-26T17:54:31Z",
          "PILOT #0436 NORTH LAS VEGAS NV",
          "11 (reefer)",
          "REEFER 26.5",
          0,
          94.02,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          587642,
          587642,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-26T18:02:31Z",
          "PILOT #0436 NORTH LAS VEGAS NV",
          "13",
          "ULSD 175.4",
          175.4,
          706.51,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          587642,
          587642,
          0,
          "41 -> 99",
          174,
          "Approved",
          ""
        ],
        [
          "2026-08-29T15:21:06Z",
          "FLYING J #0692 TREMONTON UT",
          "11 (reefer)",
          "REEFER 22.4",
          0,
          74.12,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          588838,
          588838,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-08-29T15:34:06Z",
          "FLYING J #0692 TREMONTON UT",
          "7 (satellite on)",
          "ULSD 186.4; DEF 6.5",
          186.4,
          732.85,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          588837,
          588838,
          0,
          "34 -> 97",
          189,
          "Approved",
          ""
        ],
        [
          "2026-08-29T15:49:06Z",
          "FLYING J #0692 TREMONTON UT",
          "Fuel desk",
          "SCALE",
          0,
          14,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          588838,
          588838,
          0,
          "",
          "",
          "Approved",
          "Certified weigh"
        ],
        [
          "2026-09-02T14:50:09Z",
          "FLYING J #0760 BARSTOW CA",
          "2 (reefer)",
          "REEFER 27.7",
          0,
          101.16,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          590038,
          590038,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-02T15:03:09Z",
          "FLYING J #0760 BARSTOW CA",
          "4",
          "ULSD 181.0",
          181,
          747.89,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          590038,
          590038,
          0,
          "35 -> 95",
          180,
          "Approved",
          ""
        ],
        [
          "2026-09-06T15:13:49Z",
          "FLYING J #0698 JEROME ID",
          "7 (reefer)",
          "REEFER 28.7",
          0,
          102.86,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          591250,
          591250,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-06T15:24:49Z",
          "FLYING J #0698 JEROME ID",
          "1",
          "ULSD 187.6",
          187.6,
          762.41,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          591250,
          591250,
          0,
          "33 -> 94",
          183,
          "Approved",
          ""
        ],
        [
          "2026-09-11T16:38:27Z",
          "FLYING J #0738 ELLENSBURG WA",
          "5",
          "ULSD 190.3; DEF 11.1",
          190.3,
          840.52,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          592420,
          592418,
          0,
          "35 -> 98",
          189,
          "Approved",
          ""
        ],
        [
          "2026-09-13T17:03:40Z",
          "LOVES #0622 LAS VEGAS NV",
          "6 (reefer)",
          "REEFER 37.6",
          0,
          141.68,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          593592,
          593592,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-13T17:12:40Z",
          "LOVES #0622 LAS VEGAS NV",
          "7",
          "ULSD 177.6",
          177.6,
          754.44,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          593591,
          593592,
          0,
          "35 -> 95",
          180,
          "Approved",
          ""
        ],
        [
          "2026-09-15T19:09:20Z",
          "FLYING J #0698 JEROME ID",
          "6 (reefer)",
          "REEFER 20.2",
          0,
          66.46,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          594680,
          594680,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-15T19:16:20Z",
          "FLYING J #0698 JEROME ID",
          "10",
          "ULSD 160.2",
          160.2,
          603.95,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          594680,
          594680,
          0,
          "42 -> 95",
          159,
          "Approved",
          ""
        ],
        [
          "2026-09-20T17:12:08Z",
          "TA #0262 JEROME ID",
          "13 (reefer)",
          "REEFER 19.2",
          0,
          75.24,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          595664,
          595664,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-20T17:20:08Z",
          "TA #0262 JEROME ID",
          "1",
          "ULSD 166.9; DEF 7.5",
          166.9,
          766.22,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          595664,
          595664,
          0,
          "41 -> 99",
          174,
          "Approved",
          ""
        ],
        [
          "2026-09-23T18:33:34Z",
          "LOVES #0622 LAS VEGAS NV",
          "3 (reefer)",
          "REEFER 28.2",
          0,
          110.04,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          596752,
          596752,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-23T18:41:34Z",
          "LOVES #0622 LAS VEGAS NV",
          "1",
          "ULSD 169.8",
          169.8,
          744.06,
          "Magnetic stripe",
          "40217 (valid)",
          "7731",
          596752,
          596752,
          0,
          "42 -> 100",
          174,
          "Approved",
          ""
        ],
        [
          "2026-09-29T18:58:17Z",
          "FLYING J #0711 SNOWVILLE UT",
          "4 (reefer)",
          "REEFER 24.4",
          0,
          88.69,
          "Magnetic stripe",
          "40388 (valid)",
          "7731",
          597758,
          597758,
          0,
          "",
          "",
          "Approved",
          "Trailer reefer tank; off-road dyed diesel"
        ],
        [
          "2026-09-29T19:11:17Z",
          "FLYING J #0711 SNOWVILLE UT",
          "9",
          "ULSD 156.0; OIL 2 qt",
          156,
          656.92,
          "Magnetic stripe",
          "40388 (valid)",
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          "Baker City OR",
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          0.5,
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          1.6,
          35.4,
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          0.5,
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          3.1,
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          "Salt Lake City UT",
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        [
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          0.5,
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          0.2,
          0.2,
          ""
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          6.17
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          6
        ],
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          3.7,
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          "Beaver UT",
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          1.2,
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          "Jerome ID",
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          3.7,
          25,
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          "Home time, parked at terminal",
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          0.1,
          0.1,
          ""
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          "Driving",
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          "Nampa ID",
          "Salt Lake City UT",
          9.8,
          3.5,
          56.1,
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        ],
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          "Salt Lake City UT",
          "Nampa ID",
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          1,
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          "Las Vegas NV",
          "Ontario CA",
          6,
          1.8,
          35.8,
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          "Ontario CA",
          "Beaver UT",
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          2.1,
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        [
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          "Driving",
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          "Beaver UT",
          "Jerome ID",
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          2.5,
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          "Driving",
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          "Jerome ID",
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          0.6,
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          "Home time, parked at terminal",
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          "Nampa ID",
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          0.3,
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        [
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          "Off duty (driver change at terminal)",
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          "Nampa ID",
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          0.4,
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          ""
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          "Driving",
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          "Salt Lake City UT",
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          2.9,
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          6.22
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        [
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          "Driving",
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          "Salt Lake City UT",
          "Nampa ID",
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          4.5,
          59.5,
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        ],
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          1.5,
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        ],
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          "Driving",
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          "Lamar CO",
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          0.7,
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          6.56
        ],
        [
          "2026-10-03",
          "Driving (to the swipe under review)",
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          "Lamar CO",
          "Amarillo TX",
          4.2,
          0,
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        ]
      ]
    },
    "unit_pings_today": {
      "columns": [
        "ts",
        "position",
        "speed_mph",
        "ignition",
        "engine_fuel_level_pct"
      ],
      "rows": [
        [
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          "US-287 S toward Boise City OK, 32 mi past Lamar CO",
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          "On",
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        ],
        [
          "2026-10-03T13:55:08Z",
          "US-287 S toward Boise City OK, 63 mi past Lamar CO",
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          "On",
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        ],
        [
          "2026-10-03T14:25:17Z",
          "US-287 S toward Boise City OK, 91 mi past Lamar CO",
          56,
          "On",
          52
        ],
        [
          "2026-10-03T14:55:00Z",
          "US-287 S toward Amarillo TX, 8 mi past Boise City OK",
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          "On",
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        ],
        [
          "2026-10-03T15:24:47Z",
          "US-287 S toward Amarillo TX, 38 mi past Boise City OK",
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          "On",
          49
        ],
        [
          "2026-10-03T15:54:57Z",
          "US-287 S toward Amarillo TX, 68 mi past Boise City OK",
          61,
          "On",
          48
        ],
        [
          "2026-10-03T16:25:01Z",
          "US-287 S toward Amarillo TX, 98 mi past Boise City OK",
          59,
          "On",
          46
        ]
      ]
    },
    "alerts_sent_to_fleet_90_days": {
      "columns": [
        "ts",
        "rule",
        "detail",
        "fleet_response"
      ],
      "rows": [
        [
          "2026-07-21T19:02:11Z",
          "R-12 Second fuel authorization within 60 minutes",
          "Reefer fill then tractor fill at the same truck stop",
          "Closed by the fleet: reefer fuel"
        ],
        [
          "2026-08-30T16:44:50Z",
          "R-22 Odometer entry differs from telematics by more than 500 miles",
          "Driver entered the trailer's hubometer",
          "Closed by the fleet: driver error"
        ],
        [
          "2026-09-28T15:10:02Z",
          "Driver list change",
          "Driver 40217 removed, 40388 added to unit 7731",
          "Made by the fleet"
        ]
      ]
    },
    "merchant_profile": {
      "merchant": "LOVES #0519 AMARILLO TX",
      "what_it_is": "Truck stop on I-40 at Amarillo, part of a national chain; on our network since 2011",
      "last_30_days_on_our_cards": "3,870 transactions; 0.03% confirmed fraud; no skimmer or compromise reports",
      "first_use_on_this_card": true
    },
    "authorization_under_review": {
      "ts": "2026-10-03T16:58:11Z",
      "merchant": "LOVES #0519 AMARILLO TX",
      "pump": "8, diesel lane (satellite on)",
      "card_read": "Magnetic stripe",
      "products_requested": "ULSD",
      "pre_authorization": "220 gallons or $1,000, whichever first",
      "prompts": {
        "driver_id": "40388: valid, on the fleet's list for this card",
        "odometer": "594982 (telematics odometer is 599,482)"
      },
      "card_today": "Reefer fill of 36.5 gallons at this truck stop 9 minutes ago; store merchandise declined",
      "unit_at_swipe": {
        "position": "At this truck stop's diesel lanes, 0.0 miles",
        "ignition": "Off since 2026-10-03T16:44:59Z",
        "eld_status": "Driver 40388 on duty, not driving",
        "engine_fuel_level_pct": 45,
        "room_in_tanks_gal": 165,
        "reefer_unit": "Running, setpoint -10 F, tank 97% after the reefer fill"
      },
      "rules_fired": [
        {
          "rule": "R-12 Second fuel authorization within 60 minutes",
          "action": "Email the fleet manager"
        },
        {
          "rule": "R-22 Odometer entry differs from telematics by more than 500 miles",
          "action": "Flag"
        },
        {
          "rule": "R-30 First use of this card in this state",
          "action": "Flag"
        },
        {
          "rule": "R-31 New driver ID on this card in the last 14 days",
          "action": "Flag"
        }
      ],
      "our_fraud_score": "604 (0 to 999; we decline over 950 without review)"
    }
  },
  "questions": {
    "misuse_likelihood": {
      "type": "score",
      "instructions": "From the fleet card provider's point of view, how likely is it that the fuel authorization under review is misuse, meaning the fuel will not go into a vehicle or reefer unit of this fleet, whether the driver is misusing the card or someone else is using a copied or stolen card?",
      "criteria": [
        "Very unlikely (under 10%)",
        "Unlikely (10-40%)",
        "Uncertain (40-60%)",
        "Likely (60-90%)",
        "Very likely (over 90%)"
      ]
    },
    "pattern": {
      "type": "choice",
      "instructions": "Which best describes who is using the card in the authorization under review, and for what?",
      "criteria": {
        "legitimate": "Business fuel for this fleet: the card's driver fueling the assigned unit, its trailer's reefer unit or another unit of the same fleet, even if that breaks one of the fleet's own rules",
        "driver_personal_use": "The card's driver buying fuel or goods for their own use, such as filling a personal car or pickup",
        "fuel_theft_or_resale": "The card's driver, or someone working with them, putting fuel into vehicles or containers outside the fleet, usually to sell it",
        "cloned_or_skimmed_card": "Someone other than the driver using a copy of the card made from data stolen at a pump or terminal, while the real card stays with the driver",
        "stolen_card": "Someone other than the driver using the physical card after it was lost or taken from the driver or the truck"
      }
    },
    "assigned_unit_at_station": {
      "type": "noul",
      "instructions": "Is the unit this card is assigned to at the fuel station at the time of the authorization under review, according to its telematics position and ignition and duty status?"
    },
    "action": {
      "type": "choice",
      "instructions": "What should the fleet card provider do with the authorization under review?",
      "criteria": {
        "approve": "Approve it with no follow-up",
        "approve_and_alert_manager": "Approve it, and send it to the fleet manager to confirm or dispute within the day",
        "decline": "Decline this authorization but leave the card active; the driver can call the fleet's dispatch or our help desk",
        "block_card": "Decline it and block the card until the fleet confirms who has it and a replacement is issued"
      }
    }
  }
}
