VIN

Fuel consumption ratings for the vehicle a VIN decodes to.

When the decode settles the engine, engine_settled is true and ratings holds only the ratings matched to that engine. Otherwise it holds every rating of the model year, as the vehicle route does.

get/v1/vin/{vin}/fuel

Request

Base URL: https://open.wenmarpro.com
URL: https://open.wenmarpro.com/v1/vin/{vin}/fuel
Auth: none declared

Path parameters

vinstring required

A 17-character VIN.

Query parameters

countrystring

us or ca. Leave out for both.

yearinteger

The model year, when the VIN's tenth character leaves two possible.

Response

The ratings.

attributionstring[] required

engine_settledboolean required

Whether ratings is narrowed to engine.

Example response

{
  "as_of": {
    "ca": "2026-10-06",
    "us": "2026-09-29"
  },
  "decode": {
    "vin": "KM8K2CAB4PU001140"
  },
  "engine": {
    "id": "2-7l-v6",
    "label": "2.7L V6",
    "vin8": "P"
  },
  "ratings": [
    {
      "confidence": "engine",
      "country": "us",
      "described_as": "F150 Pickup 2WD",
      "drive": "Rear-Wheel Drive",
      "engine": {
        "id": "2-7l-v6",
        "label": "2.7L V6",
        "vin8": "P"
      },
      "fuel_grade": "Regular Gasoline",
      "match": "exact",
      "source": "epa",
      "source_id": "39241",
      "transmission": "Automatic (S10)"
    }
  ],
  "vehicle": {
    "id": "2018_ford_f-150",
    "make": "Ford",
    "model": "F-150"
  },
  "warnings": [
    {
      "code": "invalid_check_digit"
    }
  ]
}

Changes

No recorded changes to this operation across all 1 revision of this API.