ISO 6346 Validation: Container OCR API

The Complexity of Container Parsing

The ISO 6346 standard is the backbone of global shipping, requiring a precise combination of a 3-letter BIC owner code, an equipment category identifier, a 6-digit serial number, and a mod-11 check digit. Standard OCR tools treat this simply as a string of text, failing to understand the mathematical relationship between these characters. When visual obstructions like rust or shadows cause a single misread character, unstructured OCR passes corrupt data downstream, breaking your logistics database. To see how our engine cuts through these structural challenges, you can upload a test image to explore our core Container OCR capabilities completely free.

Mathematical Verification Built-In

Delivered strictly as a lightweight REST API to ensure seamless integration without heavy SDK dependencies, this endpoint is powered by our Logistics Container OCR engine. It doesn't just read text; it understands the standard. The engine applies strict ISO 6346 validation on the fly, instantly calculating the check digit against the owner and serial codes to guarantee perfectly accurate output.

ISO 6346 Application Scenarios

Integration & AI Prompts

Call the endpoint directly via HTTP. The API is designed for maximum input versatility, natively accepting standard image URLs, direct multipart file uploads, or Base64-encoded strings to suit any local or cloud architecture.

import requests
import base64

# Prepare Base64 Image for ISO 6346 parsing
with open("container_iso_scan.jpg", "rb") as image_file:
    base64_image = base64.b64encode(image_file.read()).decode('utf-8')

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

try:
    print("Validating ISO 6346 Code...")
    response = requests.post(url, headers=headers, json=payload)
    result = response.json()

    if result.get('success'):
        data = result['data']
        parsed = data.get('parsed', {})
        print("✅ Container Code Extracted & Parsed!")
        print(f"Full Number:  {data.get('container_number')}")
        print(f"Owner Code:   {parsed.get('owner_code')}")
        print(f"Serial:       {parsed.get('serial_number')}")
        print(f"Check Digit:  {parsed.get('check_digit')} (Valid: {data.get('is_valid')})")
    else:
        print(f"❌ Extraction Failed: {result.get('error')} - {result.get('message')}")

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

{
  "success": true,
  "data": {
    "container_number": "ZCSU8921655",
    "is_valid": true,
    "confidence": "High",
    "parsed": {
      "owner_code": "ZCS",
      "category": "U",
      "serial_number": "892165",
      "check_digit": "5"
    }
  }
}