Department of Transportation VIN Decode API

openapi: 3.1.0
info:
  title: FAA Airport Status VIN Decode API
  description: The Federal Aviation Administration's Airport Status / NAS Status web services expose real-time status, weather, and delay information for major U.S. airports and the National Airspace System.
  version: '1'
  contact:
    name: FAA
    url: https://www.faa.gov/data
  license:
    name: Public Domain
    url: https://creativecommons.org/publicdomain/mark/1.0/
servers:
- url: https://soa.smext.faa.gov/asws/api/airport/status
  description: FAA ASWS
tags:
- name: VIN Decode
  description: Decode VINs into structured vehicle data
paths:
  /vehicles/DecodeVin/{vin}:
    get:
      tags:
      - VIN Decode
      summary: Decode a VIN into key-value pairs
      operationId: decodeVin
      parameters:
      - name: vin
        in: path
        required: true
        schema:
          type: string
          minLength: 1
          maxLength: 17
      - name: modelyear
        in: query
        schema:
          type: integer
      - $ref: '#/components/parameters/Format'
      responses:
        '200':
          description: Decoded VIN
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VinDecodeResponse'
  /vehicles/DecodeVinValues/{vin}:
    get:
      tags:
      - VIN Decode
      summary: Decode a VIN as a flat (single-row) record
      operationId: decodeVinValues
      parameters:
      - name: vin
        in: path
        required: true
        schema:
          type: string
      - name: modelyear
        in: query
        schema:
          type: integer
      - $ref: '#/components/parameters/Format'
      responses:
        '200':
          description: Flat decoded VIN
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VinDecodeFlatResponse'
  /vehicles/DecodeVINValuesBatch/:
    post:
      tags:
      - VIN Decode
      summary: Decode up to 50 VINs in a single request
      operationId: decodeVinBatch
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                data:
                  type: string
                  description: Semicolon-delimited list of VINs (each followed by optional comma+modelyear)
                format:
                  type: string
                  enum:
                  - json
                  - csv
                  - xml
                  default: json
      responses:
        '200':
          description: Batch decode response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VinDecodeFlatResponse'
components:
  parameters:
    Format:
      name: format
      in: query
      schema:
        type: string
        enum:
        - json
        - csv
        - xml
        default: json
  schemas:
    VinDecodeResponse:
      type: object
      properties:
        Count:
          type: integer
        Message:
          type: string
        SearchCriteria:
          type: string
        Results:
          type: array
          items:
            type: object
            properties:
              Value:
                type:
                - string
                - 'null'
              ValueId:
                type:
                - string
                - 'null'
              Variable:
                type: string
              VariableId:
                type: integer
    VinDecodeFlatResponse:
      type: object
      properties:
        Count:
          type: integer
        Message:
          type: string
        Results:
          type: array
          items:
            type: object
            additionalProperties: true
externalDocs:
  description: FAA Airport Status
  url: https://www.faa.gov/nextgen/programs/swim/