Calculate shipment CO2e

curl -X POST 'https://api.navo24.com/v1/carbon/calculate' \
  -H "Authorization: Bearer tmcp_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"origin":"CNSHA","destination":"NLRTM","transport_mode":"Sea","shipping_type":"FCL","transport_unit":"40'hc","units":2,"weight_kg":36000,"compare":true}'

const res = await fetch("https://api.navo24.com/v1/carbon/calculate", {
  method: "POST",
  headers: {
    "Authorization": "Bearer tmcp_YOUR_API_KEY",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "origin": "CNSHA",
    "destination": "NLRTM",
    "transport_mode": "Sea",
    "shipping_type": "FCL",
    "transport_unit": "40'hc",
    "units": 2,
    "weight_kg": 36000,
    "compare": true
  })
});
const data = await res.json();

import requests

res = requests.post(
    "https://api.navo24.com/v1/carbon/calculate",
    headers={"Authorization": "Bearer tmcp_YOUR_API_KEY"},
    json={
      "origin": "CNSHA",
      "destination": "NLRTM",
      "transport_mode": "Sea",
      "shipping_type": "FCL",
      "transport_unit": "40'hc",
      "units": 2,
      "weight_kg": 36000,
      "compare": True
    },
)
data = res.json()

{
  "data": {
    "request_id": "co2_3b9e0c51d2a84f17",
    "method": "ISO 14083:2023, GLEC Framework v3.2 (Oct 2025) Module 2 default intensities, well-to-wheel",
    "factor_set": "glec-3.2-navo-2026.10",
    "scope": "Scope 3, category 4/9 (upstream / downstream transport)",
    "query": {
      "origin": "CNSHA",
      "destination": "NLRTM",
      "transport_mode": "Sea",
      "shipping_type": "FCL",
      "transport_unit": "40'hc",
      "notation": "Sea-FCL-40'hc",
      "units": 2,
      "teu": 4.0,
      "cargo_t": 36.0,
      "cargo_basis": "declared"
    },
    "from": {
      "name": "Shanghai",
      "locode": "CNSHA",
      "kind": "port",
      "country_code": "CN",
      "country": "China",
      "lat": 31.40009,
      "lng": 121.49711
    },
    "to": {
      "name": "Rotterdam",
      "locode": "NLRTM",
      "kind": "port",
      "country_code": "NL",
      "country": "Netherlands",
      "lat": 51.90438,
      "lng": 4.44245
    },
    "totals": {
      "co2e_kg": {
        "wtw": 3686.7,
        "ttw": 3034.15,
        "wtt": 652.55
      },
      "co2e_t": 3.687,
      "distance_km": 19610.1,
      "intensity_g_per_tkm": 5.22,
      "co2e_kg_per_unit": 1843.35
    },
    "legs": [
      {
        "transport_mode": "SEA",
        "from": {
          "name": "Shanghai",
          "locode": "CNSHA",
          "kind": "port",
          "country_code": "CN",
          "lat": 31.40009,
          "lng": 121.49711
        },
        "to": {
          "name": "Rotterdam",
          "locode": "NLRTM",
          "kind": "port",
          "country_code": "NL",
          "lat": 51.90438,
          "lng": 4.44245
        },
        "distance_km": 19610.1,
        "distance_source": "Navo Distance & Time, sea route",
        "emissions": {
          "activity": 78440.4,
          "activity_unit": "TEU km",
          "intensity": {
            "value": 47.0,
            "unit": "g CO2e / TEU km",
            "class": "Container ship, Asia to-from North Europe (dry)",
            "source": "GLEC Framework v3.2, Module 2 §3, Table 18, trade lane Asia to-from North Europe, Dry",
            "factor_id": "sea_lane_asia_neu_dry",
            "navo_assumption": false
          },
          "co2e_kg": {
            "wtw": 3686.7,
            "ttw": 3034.15,
            "wtt": 652.55
          },
          "notes": [
            "trade lane Asia to-from North Europe"
          ]
        }
      }
    ],
    "route": {
      "label": "Sea",
      "passages": [
        {
          "id": "suez",
          "name": "Suez Canal"
        },
        {
          "id": "malacca",
          "name": "Strait of Malacca"
        },
        {
          "id": "babalmandab",
          "name": "Bab-el-Mandeb"
        },
        {
          "id": "gibraltar",
          "name": "Strait of Gibraltar"
        }
      ],
      "eca": {
        "nm": 2340.5,
        "non_eca_nm": 8248.1,
        "share": 0.221,
        "zones": [
          {
            "id": "north-sea",
            "name": "North Sea ECA",
            "nm": 405.7
          }
        ]
      }
    },
    "took_ms": 0,
    "compare": [
      {
        "transport_mode": "Sea",
        "notation": "Sea-FCL-40'hc",
        "co2e_kg": {
          "wtw": 3686.7,
          "ttw": 3034.15,
          "wtt": 652.55
        },
        "distance_km": 19610.1,
        "intensity_g_per_tkm": 5.22,
        "route": "Sea",
        "status": "ok",
        "vs_lowest": 1.0
      },
      {
        "transport_mode": "Rail",
        "notation": "Rail-FCL-40'hc",
        "co2e_kg": {
          "wtw": 8239.83,
          "ttw": 4012.8,
          "wtt": 4227.03
        },
        "distance_km": 11001.4,
        "intensity_g_per_tkm": 20.81,
        "route": "Rail",
        "status": "ok",
        "vs_lowest": 2.24
      },
      {
        "transport_mode": "Road",
        "notation": "Road-FCL-40'hc",
        "co2e_kg": {
          "wtw": 38120.04,
          "ttw": 29238.07,
          "wtt": 8881.97
        },
        "distance_km": 10763.3,
        "intensity_g_per_tkm": 98.38,
        "route": "Road",
        "status": "ok",
        "vs_lowest": 10.34
      },
      {
        "transport_mode": "Air",
        "notation": "Air-Aircargo",
        "co2e_kg": {
          "wtw": 255810.22,
          "ttw": 212066.67,
          "wtt": 43743.55
        },
        "distance_km": 9017.6,
        "intensity_g_per_tkm": 788.0,
        "route": "Air",
        "status": "ok",
        "vs_lowest": 69.39
      }
    ]
  }
}