VIN WMI decode (manufacturer / country) API

Decode a VIN's World Manufacturer Identifier offline: country/region of assembly (ISO 3779) and manufacturer (inline WMI prefix table); for a full 17-char VIN it also validates the ISO 3779 check digit and extracts the model-year code. The MORE: VIN check-digit math + WMI region map + curated manufacturer table, no NHTSA round-trip. Answers 'who made this VIN', 'what country is this VIN from', 'is this VIN check digit valid', 'decode this WMI'.

Price$0.01per request

MethodPOST

Route/v1/ref/vin-wmi

StatusLive

MIME typeapplication/json

Rate limit60/minute

CacheNo cache

refvinwmivehiclemanufactureriso-3779check-digitautomotive

API URLhttps://x402.hexl.dev/v1/ref/vin-wmi

Integration docs

Example request

{
  "vin": "1HGCM82633A004352"
}

Example response

{
  "vin": "1HGCM82633A004352",
  "wmi": "1HG",
  "manufacturer": "Honda (USA)",
  "region": "North America",
  "country": "United States",
  "checkDigit": "3",
  "checkDigitValid": true,
  "modelYearCode": "3",
  "modelYearCandidates": [
    1983,
    2013,
    2043
  ],
  "plantCode": "A",
  "serial": "004352"
}

Input schema

{
  "type": "object",
  "required": [
    "vin"
  ],
  "properties": {
    "vin": {
      "type": "string",
      "examples": [
        "1HGCM82633A004352"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}