ISO 6346 Container & Chassis Check-Digit Validator API

{
  "success": true,
  "data": {
    "valid": true,
    "containerNumber": "CSQU3054383",
    "ownerCode": "CSQ",
    "categoryIdentifier": "U (Freight Container)",
    "serialNumber": "305438",
    "checkDigit": 3,
    "checksumValid": true,
    "sizeType": {
      "code": "45G1",
      "length": "40 ft (12.192 m)",
      "height": "9 ft 6 in (2.896 m High Cube)",
      "type": "General Purpose Container with ventilation"
    }
  },
  "meta": {
    "latency_ms": 0.65,
    "version": "1.0.0"
  }
}

curl --request POST \
  --url "https://iso-6346-container-chassis-check-digit-validator.stanzaapi.com/api/v1/container/validate" \
  --header "Content-Type: application/json" \
  --header "x-api-key: YOUR_API_KEY" \
  --data '{
  "containerNumber": "CSQU3054383",
  "sizeTypeCode": "45G1"
}'

const response = await fetch("https://iso-6346-container-chassis-check-digit-validator.stanzaapi.com/api/v1/container/validate", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "x-api-key": process.env.API_KEY || "YOUR_API_KEY"
  },
  body: JSON.stringify({
  "containerNumber": "CSQU3054383",
  "sizeTypeCode": "45G1"
})
});

const data = await response.json();
console.log(data);

import requests
import json

url = "https://iso-6346-container-chassis-check-digit-validator.stanzaapi.com/api/v1/container/validate"
headers = {
    "Content-Type": "application/json",
    "x-api-key": "YOUR_API_KEY"
}
payload = {
    "containerNumber": "CSQU3054383",
    "sizeTypeCode": "45G1"
}

response = requests.post(url, json=payload, headers=headers)
print(response.json())

package main

import (
	"bytes"
	"fmt"
	"io"
	"net/http"
	"os"
)

func main() {
	url := "https://iso-6346-container-chassis-check-digit-validator.stanzaapi.com/api/v1/container/validate"
	payload := []byte(`{"containerNumber":"CSQU3054383","sizeTypeCode":"45G1"}`)

	req, _ := http.NewRequest("POST", url, bytes.NewBuffer(payload))
	req.Header.Add("Content-Type", "application/json")
	req.Header.Add("x-api-key", os.Getenv("API_KEY"))

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)
	fmt.Println(string(body))
}