The Best Node.js API for Global Vehicle Registration OCR (Free Image Testing)

The Problem with Parsing Global Registrations in Node.js

Enterprise Node.js applications often struggle to parse vehicle registration documents across different international borders. Traditional tools lack the ability to handle both standard global fields, like a 17-character VIN, and unique localized fields specific to countries like Saudi Arabia or the UAE. Furthermore, generic OCR models often destroy native scripts during extraction rather than preserving them.

The StructOCR Solution

Our API allows your Node.js backend to automate data extraction from global vehicle registration documents effortlessly. It features a robust Standardized + Localized structure that unifies essential information like VIN, Make, and Model across all regions, while preserving native scripts in `_raw` fields. By sending a simple Base64 string via Node.js using `axios` or native `fetch`, you receive validated JSON with dynamically mounted region-specific data nodes and strictly enforced ISO 3779 VIN validation.

Common Use Cases

• Global Fleet Management: Extract standardized VIN, make, and model to onboard fleet vehicles instantly across different countries.
• Border Control & Logistics: Process region-specific documents like Saudi Istimara or UAE Mulkiya at borders with specialized localized schemas.
• Insurance Verification: Safely validate 17-character VINs automatically by relying on enforced ISO 3779 rules that correct common OCR mistakes.

Implementation: Request with Node.js

Complete, runnable Node.js code to extract vehicle registration data using the popular `axios` HTTP client.

Prerequisite: Node.js 14+ and the axios library (npm install axios)

const fs = require('fs');
const axios = require('axios');

// Read the image and convert it to a Base64 string
const imageBuffer = fs.readFileSync('document.jpg');
const base64Image = imageBuffer.toString('base64');

axios.post('https://api.structocr.com/v1/vehicle-registration', {
    img: base64Image
  }, {
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json'
  }
})
.then(response => {
  console.log('✅ Extraction Successful!\n');
  console.log(JSON.stringify(response.data, null, 2));
})
.catch(error => {
  console.error('❌ Extraction Failed:', error.response ? error.response.data : error.message);
});

Sample JSON Response

The API returns categorized data. This example shows a Saudi Arabia registration with standardized vehicle specs, preserving the real make (Mercedes) and color (Blue), while integrating dynamically localized TGA plate details.

{
  "success": true,
  "data": {
    "document": {
      "country_code": "SA",
      "document_type": "VEHICLE_REGISTRATION",
      "confidence_score": 0.99
    },
    "standardized": {
      "vin": null,
      "plate": {
        "number": "1234",
        "letters_normalized": "X Y Z",
        "formatted": "1234 XYZ"
      },
      "make_raw": "مرسيدس",
      "make_normalized": "Mercedes",
      "model_raw": "رأس تريلا",
      "model_normalized": "Truck Head",
      "year": 2021,
      "color_raw": "ازرق",
      "color_normalized": "Blue"
    },
    "localized": {
      "saudi": {
        "tga_plate_details": {
          "sequence_number": "999888777",
          "letter_right": "س",
          "letter_middle": "ص",
          "letter_left": "ع",
          "number": "1234",
          "plate_type_raw": "نقل خاص",
          "plate_type_normalized": "Private Transport"
        }
      }
    }
  }
}