Mexican Vehicle Registration (Tarjeta de Circulación) OCR

The Challenge of Extreme Layout Fragmentation

Managing vehicle registration data in Mexico presents a unique structural hurdle: extreme document fragmentation. Unlike countries with a standardized national format, the Mexican Tarjeta de Circulación is issued at the state level (Estado). This means there are dozens of entirely different layouts, background designs, and terminology variations (e.g., using 'NIV', 'Número de Serie', or 'Chasis') across the country. Legacy OCR systems that rely on fixed templates or strict spatial coordinates fail instantly when presented with a card from a different state. To understand how our engine overcomes these structural barriers, explore our core OCR product capabilities.

Template-Free, Key-Value Generalization

StructOCR is designed for the reality of LATAM vehicle documentation as part of our comprehensive Automotive VIN OCR solution. Instead of memorizing layouts, our API utilizes advanced Key-Value logic and semantic understanding. It dynamically scans the document for Spanish contextual clues and applies robust structural validation to locate the 17-character alphanumeric string, regardless of where it is printed on the card. This ensures flawless extraction whether the vehicle is registered in Nuevo León, Jalisco, or Mexico City.

Core Industry Applications

Integration & AI Prompts

Handle the fragmentation of Mexican vehicle documents with a single API endpoint. Copy the prompt below into Cursor or v0 to quickly generate your frontend upload component.

import requests
import base64

# 💰 Save 30%+ vs competitors. Get 200 free credits instantly:
# 👉 https://structocr.com/register

# 1. Prepare Base64 Image of the Tarjeta de Circulación
with open("tarjeta_de_circulacion.jpg", "rb") as image_file:
    base64_image = base64.b64encode(image_file.read()).decode('utf-8')

url = "https://api.structocr.com/v1/vin"
headers = {
    "x-api-key": "YOUR_API_KEY",
    "Content-Type": "application/json"
}
payload = {
    "img": base64_image
}

try:
    print("Scanning Mexican Tarjeta de Circulación...")
    response = requests.post(url, headers=headers, json=payload)
    result = response.json()

    if result.get('success'):
        data = result['data']
        print("✅ Extraction Successful!")
        print(f"VIN (Número de Serie): {data.get('vin')}")
        print(f"Confidence:            {data.get('confidence')}")
    else:
        print(f"❌ Extraction Failed: {result.get('error')} - {result.get('message')}")

except Exception as e:
    print(f"An error occurred: {e}")

{
  "success": true,
  "data": {
    "vin": "3VW1361H2KM123456",
    "confidence": "High",
    "carrier_type": "document"
  }
}