Department of Transportation WMI API

World Manufacturer Identifier (WMI) decoding

Operations 1

GET /vehicles/DecodeWMI/{wmi} Decode a World Manufacturer Identifier #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/department-of-transportation-wmi-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

department-of-transportation-wmi-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: NHTSA vPIC (Vehicle Product Information Catalog) WMI API
  description: The National Highway Traffic Safety Administration's Vehicle Product Information Catalog (vPIC) API decodes Vehicle Identification Numbers (VINs) and provides catalog data on makes, models, manufacturers, World Manufacturer Identifiers (WMI), and Canadian vehicle specifications. The service returns JSON, XML, or CSV via a public, key-less endpoint.
  version: '1'
  contact:
    name: NHTSA vPIC
    url: https://vpic.nhtsa.dot.gov/api/
  license:
    name: Public Domain
    url: https://creativecommons.org/publicdomain/mark/1.0/
servers:
- url: https://vpic.nhtsa.dot.gov/api
  description: Production
tags:
- name: WMI
  description: World Manufacturer Identifier (WMI) decoding
paths:
  /vehicles/DecodeWMI/{wmi}:
    get:
      tags:
      - WMI
      summary: Decode a World Manufacturer Identifier
      operationId: decodeWmi
      parameters:
      - name: wmi
        in: path
        required: true
        schema:
          type: string
          minLength: 3
          maxLength: 6
      - $ref: '#/components/parameters/Format'
      responses:
        '200':
          description: WMI decode result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VinDecodeFlatResponse'
components:
  schemas:
    VinDecodeFlatResponse:
      type: object
      properties:
        Count:
          type: integer
        Message:
          type: string
        Results:
          type: array
          items:
            type: object
            additionalProperties: true
  parameters:
    Format:
      name: format
      in: query
      schema:
        type: string
        enum:
        - json
        - csv
        - xml
        default: json
externalDocs:
  description: vPIC API documentation
  url: https://vpic.nhtsa.dot.gov/api/