ToolVet
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Calc Ganzoni

by magent in Other

x402 APIPassing, checked 40 min ago

Ganzoni 1970 iron deficit: weight_kg * (target_hemoglobin_g_dl - hemoglobin_g_dl) * 2.4 + iron_stores_mg. Deterministic published arithmetic with citation. Not an IV iron product dose or order; magent does not pick target Hb or depot iron, and this is not a diagnosis of iron deficiency.

GET
https://api.magentlab.com/api/calc/ganzoni
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
230 ms
415 ms slowest 5%
Last check
Passed
40 min ago, next in 5 h

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://api.magentlab.com/api/calc/ganzoni

Each call costs $0.005 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://api.magentlab.com/api/calc/ganzoni?hemoglobin_g_dl=8&iron_stores_mg=500&target_hemoglobin_g_dl=15&weight_kg=70&weight_lb=154.32

Parameters

ParameterTypeRequiredDescription
hemoglobin_g_dlnumberYesMeasured hemoglobin in g/dL (3-22). This tool does not accept g/L.
iron_stores_mgnumberYesDepot iron stores in mg (0-2000). Required; magent does not default a depot.
target_hemoglobin_g_dlnumberYesTarget hemoglobin in g/dL (7-18). Must be strictly greater than hemoglobin_g_dl. magent does not pick a target.
weight_kgnumberNoWeight in kilograms. Provide weight_kg or weight_lb.
weight_lbnumberNoWeight in pounds. Converted as kg = lb * 0.45359237.

Example response

The provider's example. We can't check it without paying.

{
  "citation": {
    "authors": "Ganzoni AM",
    "id": "ganzoni-1970",
    "pmid": "5417430",
    "source": "Schweiz Med Wochenschr. 1970;100(7):301-303",
    "title": "Intravenous iron-dextran: therapeutic and experimental possibilities"
  },
  "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
  "formula": "ganzoni",
  "formula_expression": "iron_deficit_mg = weight_kg * (target_hemoglobin_g_dl - hemoglobin_g_dl) * 2.4 + iron_stores_mg",
  "hemoglobin_g_dl": 8,
  "iron_deficit_mg": 1676,
  "iron_stores_mg": 500,
  "target_hemoglobin_g_dl": 15,
  "weight_kg": 70
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/ganzoni?hemoglobin_g_dl=8&iron_stores_mg=500&target_hemoglobin_g_dl=15&weight_kg=70&weight_lb=154.32'

# 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://api.magentlab.com/api/calc/ganzoni?hemoglobin_g_dl=8&iron_stores_mg=500&target_hemoglobin_g_dl=15&weight_kg=70&weight_lb=154.32' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fganzoni
const res = await pay("https://api.magentlab.com/api/calc/ganzoni?hemoglobin_g_dl=8&iron_stores_mg=500&target_hemoglobin_g_dl=15&weight_kg=70&weight_lb=154.32");
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.magentlab.com/api/calc/ganzoni?hemoglobin_g_dl=8&iron_stores_mg=500&target_hemoglobin_g_dl=15&weight_kg=70&weight_lb=154.32")
    print(res.status_code, res.text)

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Recent checks

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2 days agoPassed402138 ms$0.005
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4 days agoPassed402248 ms$0.005