ISO 6346 Container & Chassis Check-Digit Validator — Python SDK

MOD-11 check digit validator and ISO 6346 size/type decoder for intermodal shipping containers, chassis, and trailers.

Official, zero-dependency Python 3.8+ client library for ISO 6346 Container & Chassis Check-Digit Validator, built on the Stanza Micro-API Network. Intended for enterprise data pipelines, backend verification, and sub-5ms edge compute.

• 🌐 Live Web Playground: Test your inputs online
• 📚 API Documentation: View full schema on Stanza
• ⚡ Platform Overview: Explore the Stanza Developer Network

---

📦 Installation

pip install stanzaapi-container-validator

---

🚀 Quickstart

import os
from stanzaapi_container_validator import ContainerValidatorClient

# Initialize client (api_key optional for local evaluation)
client = ContainerValidatorClient(
    api_key=os.getenv("STANZA_API_KEY")
)

# Execute deterministic validation
response = client.validate("MSKU0123456")

if response.get("success"):
    print("Verification Success:", response["data"])
else:
    print("Validation Error:", response.get("error"), response.get("code"))

---

📄 Example Response

{
  "success": true,
  "data": {
    "valid": true,
    "owner_code": "MSK",
    "category": "U",
    "serial_number": "012345",
    "check_digit": 6
  }
}

---

⚙️ Client Options

Parameter	Type	Default	Description
api_key	Optional[str]	os.getenv("STANZA_API_KEY")	Your Stanza API Key. Required for production quotas.
base_url	Optional[str]	"https://api.stanzaapi.com/container-validator"	Public edge API base URL.
timeout	int	15	Request timeout in seconds.

---

🔗 Useful Links

• ISO 6346 Container & Chassis Check-Digit Validator Interactive Sandbox
• Stanza Developer Directory
• Source Code & Issue Tracker

📄 License

MIT © Stanza — Powered by Stanza.