Container Load

{
  "asOf": "2026-10-11T23:32:55.931Z",
  "cartonsByPayload": 2208,
  "cartonsByVolumeGrid": 600,
  "cartonsLoaded": 600,
  "cbmUsed": 57.6,
  "container": "40HC",
  "degraded": false,
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "interiorCbm": 76.35,
  "interiorMetres": [
    12.032,
    2.352
  ],
  "limitedBy": "volume (space)",
  "notChecked": [
    "pallets, dunnage, door gaps, lashing and wheel-arch intrusions",
    "your shipping line's real internal dimensions and payload (they vary by a few centimetres and tonnes)",
    "…3 more"
  ],
  "payloadLimitKg": 26500,
  "payloadUsedKg": 7200,
  "reasons": [
    "40ft high cube: interior 12.032 x 2.352 x 2.698 m, typical payload 26500 kg (override with maxPayloadKg).",
    "Grid layout 20 x 5 x 6 along length, width and height."
  ],
  "source": "computed locally; container dimensions are nominal published ISO figures",
  "summary": "600 carton(s) in a 40HC, limited by volume (space); 57.6 CBM used of 76.4 CBM interior.",
  "verdict": "COMPUTED",
  "volumeUtilizationPercent": 75.4
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://shipping-calc.x402tookit.com/container-load?cartonWeightKg=12&container=40HC&height=40&length=60&unit=cm&width=40'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://shipping-calc.x402tookit.com/container-load?cartonWeightKg=12&container=40HC&height=40&length=60&unit=cm&width=40' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fshipping-calc.x402tookit.com%2Fcontainer-load
const res = await pay("https://shipping-calc.x402tookit.com/container-load?cartonWeightKg=12&container=40HC&height=40&length=60&unit=cm&width=40");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://shipping-calc.x402tookit.com/container-load?cartonWeightKg=12&container=40HC&height=40&length=60&unit=cm&width=40")
    print(res.status_code, res.text)