ToolVet
69trust / 100

Calc Motzer

by magent in Other

x402 APIFailing, checked 4 h ago

Motzer 1999 MSKCC: KPS <80, LDH >1.5×ULN, hemoglobin <LLN, corrected calcium >10 mg/dL, no prior nephrectomy; 1 point each, max 5. Favorable 0, intermediate 1–2, poor ≥3. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation; not IMDC; not Motzer 2002/2004. magent does not assign KPS or assay LDH, hemoglobin, or calcium.

POST
https://api.magentlab.com/api/calc/motzer
Price
$0.007
per call in USDC
Uptime
97.0%
last 30 days
Response time
147 ms
393 ms slowest 5%
Last check
Failed
4 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 4 h ago: Timed out

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

How to call it

POST https://api.magentlab.com/api/calc/motzer

Each call costs $0.007 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.

POST https://api.magentlab.com/api/calc/motzer
content-type: application/json

{
  "items": [
    {
      "corrected_calcium_gt_10": false,
      "hemoglobin_lt_lln": false,
      "kps_lt_80": false,
      "ldh_gt_1_5_uln": false,
      "no_prior_nephrectomy": false
    },
    {
      "corrected_calcium_gt_10": false,
      "hemoglobin_lt_lln": false,
      "kps_lt_80": false,
      "ldh_gt_1_5_uln": false,
      "no_prior_nephrectomy": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 92 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Motzer RJ, Mazumdar M, Bacik J, Berg W, Amsterdam A, Ferrara J.",
        "doi": "10.1200/JCO.1999.17.8.2530",
        "id": "motzer-1999",
        "pmid": "10561319",
        "source": "J Clin Oncol. 1999;17(8):2530-2540",
        "title": "Survival and prognostic stratification of 670 patients with advanced renal cell carcinoma"
      },
      "components": [
        {
          "factor": "kps_lt_80",
          "points": 0,
          "present": false
        },
        {
          "factor": "ldh_gt_1_5_uln",
          "points": 0,
          "present": false
        },
        {
          "factor": "hemoglobin_lt_lln",
          "points": 0,
          "present": false
        },
        {
          "factor": "corrected_calcium_gt_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_prior_nephrectomy",
          "points": 0,
          "present": false
        }
      ],
      "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": "motzer",
      "formula_expression": "Motzer = kps_lt_80 1 + ldh_gt_1_5_uln 1 + hemoglobin_lt_lln 1 + corrected_calcium_gt_10 1 + no_prior_nephrectomy 1; Motzer 1999; max 5; favorable 0, intermediate 1-2, poor ≥3",
      "max_score": 5,
      "motzer_band": "favorable",
      "score": 0
    },
    {
      "citation": {
        "authors": "Motzer RJ, Mazumdar M, Bacik J, Berg W, Amsterdam A, Ferrara J.",
        "doi": "10.1200/JCO.1999.17.8.2530",
        "id": "motzer-1999",
        "pmid": "10561319",
        "source": "J Clin Oncol. 1999;17(8):2530-2540",
        "title": "Survival and prognostic stratification of 670 patients with advanced renal cell carcinoma"
      },
      "components": [
        {
          "factor": "kps_lt_80",
          "points": 0,
          "present": false
        },
        {
          "factor": "ldh_gt_1_5_uln",
          "points": 0,
          "present": false
        },
        {
          "factor": "hemoglobin_lt_lln",
          "points": 0,
          "present": false
        },
        {
          "factor": "corrected_calcium_gt_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_prior_nephrectomy",
          "points": 0,
          "present": false
        }
      ],
      "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": "motzer",
      "formula_expression": "Motzer = kps_lt_80 1 + ldh_gt_1_5_uln 1 + hemoglobin_lt_lln 1 + corrected_calcium_gt_10 1 + no_prior_nephrectomy 1; Motzer 1999; max 5; favorable 0, intermediate 1-2, poor ≥3",
      "max_score": 5,
      "motzer_band": "favorable",
      "score": 0
    }
  ],
  "path": "/api/calc/motzer"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.007.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/motzer' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"corrected_calcium_gt_10":false,"hemoglobin_lt_lln":false,"kps_lt_80":false,"ldh_gt_1_5_uln":false,"no_prior_nephrectomy":false},{"corrected_calcium_gt_10":false,"hemoglobin_lt_lln":false,"kps_lt_80":false,"ldh_gt_1_5_uln":false,"no_prior_nephrectomy":false}]}'

# 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 - -X POST 'https://api.magentlab.com/api/calc/motzer' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"corrected_calcium_gt_10":false,"hemoglobin_lt_lln":false,"kps_lt_80":false,"ldh_gt_1_5_uln":false,"no_prior_nephrectomy":false},{"corrected_calcium_gt_10":false,"hemoglobin_lt_lln":false,"kps_lt_80":false,"ldh_gt_1_5_uln":false,"no_prior_nephrectomy":false}]}' \
  | 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 $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
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 $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fmotzer&method=POST
const res = await pay("https://api.magentlab.com/api/calc/motzer", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "corrected_calcium_gt_10": false,
        "hemoglobin_lt_lln": false,
        "kps_lt_80": false,
        "ldh_gt_1_5_uln": false,
        "no_prior_nephrectomy": false
      },
      {
        "corrected_calcium_gt_10": false,
        "hemoglobin_lt_lln": false,
        "kps_lt_80": false,
        "ldh_gt_1_5_uln": false,
        "no_prior_nephrectomy": false
      }
    ]
  }),
});
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 $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.magentlab.com/api/calc/motzer",
        json={
            "items": [
                {
                    "corrected_calcium_gt_10": False,
                    "hemoglobin_lt_lln": False,
                    "kps_lt_80": False,
                    "ldh_gt_1_5_uln": False,
                    "no_prior_nephrectomy": False,
                },
                {
                    "corrected_calcium_gt_10": False,
                    "hemoglobin_lt_lln": False,
                    "kps_lt_80": False,
                    "ldh_gt_1_5_uln": False,
                    "no_prior_nephrectomy": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

1 finding

  • Charges more than its listed price in payment
    Listed at $0.005, charges $0.007

Recent checks

WhenResultHTTPTimePrice
4 h agoTimed out---
9 h agoPassed402339 ms$0.007
13 h agoPassed402158 ms$0.007
18 h agoPassed402155 ms$0.007
23 h agoPassed402138 ms$0.007
Show 10 older checks
27 h agoPassed402145 ms$0.007
32 h agoPassed402147 ms$0.007
36 h agoPassed402391 ms$0.007
40 h agoPassed402223 ms$0.007
44 h agoPassed402144 ms$0.007
2 days agoPassed402151 ms$0.007
2 days agoPassed402309 ms$0.007
2 days agoPassed402268 ms$0.007
3 days agoPassed402139 ms$0.007
3 days agoPassed402136 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007