Audi VIN Location and VIN OCR API

Where to find the VIN on a Audi, what its first characters mean, and how to read it from a photo with an API and decode the model year.

Where the VIN Is on a Audi

On Audi vehicles sold in North America, the 17-character VIN is on a plate at the lower driver-side corner of the windshield, readable from outside, and on the certification label in the driver-side door jamb. It also appears on the title, registration, and insurance card. Audi VINs begin with W for Germany, and the windshield plate is easy to read from outside the car.

Reading a Audi VIN from a Photo

Common Audi manufacturer identifiers include WAU (cars), WA1 (SUVs). Send a photo of the windshield plate, door label, or document to the VIN OCR API; it returns the VIN and where it was read from. To get make, model, and year, pass the VIN to NHTSA’s free vPIC API. Try it first with the free VIN scanner.

Where This Fits

  • Dealer trade-ins: Capture Audi VINs from the windshield during appraisal without typing 17 characters.
  • Insurance and claims: Read the VIN from the door label or registration card and attach it to the policy or claim.
  • Fleet and rental lots: Audit lots by photographing windshield plates from outside the vehicle.
Need more testing? Create a free account to get 200 free credits (equals 200 VIN scans).

Read the VIN, Then Decode It

Extract the VIN with StructOCR, then decode make, model, and year with NHTSA vPIC.

Prerequisite: Python 3.9+, `pip install requests`, and a STRUCTOCR_API_KEY

PYTHON EXAMPLE
import base64
import os
import requests

with open("vin.jpg", "rb") as image_file:
    image = base64.b64encode(image_file.read()).decode("ascii")

# 1. Read the VIN from the photo with StructOCR
ocr = requests.post(
    "https://api.structocr.com/v1/vin",
    headers={"x-api-key": os.environ["STRUCTOCR_API_KEY"]},
    json={"img": image},
    timeout=30,
)
ocr.raise_for_status()
vin = ocr.json()["data"]["vin"]

# 2. Decode make, model, and year with NHTSA's free vPIC API
decoded = requests.get(
    f"https://vpic.nhtsa.dot.gov/api/vehicles/DecodeVinValues/{vin}?format=json",
    timeout=30,
).json()["Results"][0]
print(vin, decoded["Make"], decoded["Model"], decoded["ModelYear"])

Technical Specs

  • •Endpoint: POST https://api.structocr.com/v1/vin
  • •Authentication: x-api-key request header
  • •Inputs: JPG, PNG, or WebP as Base64 JSON; maximum 4.5MB
  • •Price: 1 credit per successful request; failed requests are not billed
  • •Free trial: 200 free credits on sign-up, no credit card required
  • •Output: vin, confidence, and carrier_type (for example windshield or door_jamb)

Key Features

  • •VIN-aware reading: I, O, and Q never appear in VINs, which removes a common source of OCR confusion.
  • •Check digit: North American VINs carry a check digit in position 9 that you can validate after extraction.
  • •Model year: Position 10 encodes the model year on a 30-year cycle.
  • •Decoding is separate: The API reads the VIN; decoding Audi-specific trim and engine details is done by a VIN decoder.

Sample VIN Response

Illustrative response using the Wikipedia sample VIN. The API returns the VIN as read; decoding happens in a separate step.

{
  "success": true,
  "data": {
    "vin": "1M8GDM9AXKP042788",
    "confidence": "High",
    "carrier_type": "windshield"
  }
}

Frequently Asked Questions

Where is the VIN on a Audi?

At the base of the windshield on the driver side, on the driver-side door-jamb label, and on registration and insurance documents.

What do the first three characters of a Audi VIN mean?

They are the World Manufacturer Identifier. Common Audi prefixes include WAU (cars), WA1 (SUVs).

Does the API return make and model?

No. It returns the VIN read from the image. Use a VIN decoder such as NHTSA vPIC for make, model, and year.

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