ISO 6346 Container & Chassis Check-Digit Validator — TypeScript / JavaScript SDK

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

Official, zero-dependency Node.js and TypeScript client for ISO 6346 Container & Chassis Check-Digit Validator, powered by the Stanza Micro-API Network. Delivers deterministic, sub-5ms V8 isolate execution directly to your application without 3rd-party proxies.

• 🌐 Live Web Sandbox: Try interactive queries online
• 📚 API Reference: Read complete OpenAPI specification
• ⚡ Platform Overview: Discover the Stanza Edge Portfolio

📦 Installation

npm install @stanzaapi/container-validator
# or
pnpm add @stanzaapi/container-validator
# or
yarn add @stanzaapi/container-validator

🚀 Quickstart

import { ContainerValidatorClient } from '@stanzaapi/container-validator';

// Initialize client (API key optional for sandbox tier evaluation)
const client = new ContainerValidatorClient({
  apiKey: process.env.STANZA_API_KEY,
});

async function main() {
  const result = await client.validate('MSKU0123456');

  if (result.success) {
    console.log('Verification Success:', result.data);
  } else {
    console.error('Validation Error:', result.error, result.code);
  }
}

main().catch(console.error);

📄 Example JSON Response

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

⚙️ Client Configuration Options

| Option | Type | Default | Description | | :--- | :--- | :--- | :--- | | apiKey | string | process.env.STANZA_API_KEY | Your Stanza API Key. Required for high-throughput production tiers. | | baseUrl | string | https://api.stanzaapi.com/container-validator | Public edge API base URL. | | timeoutMs | number | 15000 | Request timeout in milliseconds (uses native AbortSignal.timeout). |

🛡️ Response Envelope & Error Handling

All responses return a typed envelope:

export interface ApiResponse<T> {
  success: boolean;
  data?: T;
  error?: string;
  code?: 'VALIDATION_ERROR' | 'UNAUTHORIZED' | 'PAYLOAD_TOO_LARGE' | 'RATE_LIMITED' | 'INTERNAL_ERROR';
}

🔗 Related Resources

• ISO 6346 Container & Chassis Check-Digit Validator Interactive Playground
• Stanza Microservices Directory
• Report an Issue on GitHub

📄 License

MIT © Stanza — Powered by Stanza.