Pallet Stack

{
  "asOf": "2026-10-11T23:32:56.959Z",
  "cartonsByHeight": 48,
  "cartonsByWeight": 125,
  "cartonsLoaded": 48,
  "cartonsPerLayer": 8,
  "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.",
  "footprintCm": [
    120,
    80
  ],
  "layersByHeight": 6,
  "layersLoaded": 6,
  "limitedBy": "space",
  "loadWeightKg": 384,
  "loadedHeightCm": 164.4,
  "notChecked": [
    "interlocked or pinwheel layer patterns, which often fit more",
    "carton crush strength and stacking limits",
    "…3 more"
  ],
  "pallet": "euro",
  "palletName": "EUR / EPAL 120 x 80 cm",
  "reasons": [
    "EUR / EPAL 120 x 80 cm, pallet height 14.4 cm, height limit 180 cm.",
    "Carton laid as 40 x 30 x 25 cm."
  ],
  "source": "computed locally; pallet sizes are standard published footprints",
  "summary": "48 carton(s) per euro pallet: 8 per layer, 6 layer(s), limited by space.",
  "verdict": "COMPUTED"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://shipping-calc.x402tookit.com/pallet-stack?cartonWeightKg=8&height=25&length=40&pallet=euro&unit=cm&width=30'

# 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/pallet-stack?cartonWeightKg=8&height=25&length=40&pallet=euro&unit=cm&width=30' \
  | 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%2Fpallet-stack
const res = await pay("https://shipping-calc.x402tookit.com/pallet-stack?cartonWeightKg=8&height=25&length=40&pallet=euro&unit=cm&width=30");
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/pallet-stack?cartonWeightKg=8&height=25&length=40&pallet=euro&unit=cm&width=30")
    print(res.status_code, res.text)