71trust / 100

Calc Ssign

by magent in Other

x402 APIPassing, checked 4 h ago

Frank 2002 SSIGN (stage, size, grade, necrosis) for clear cell RCC after radical nephrectomy. 1997 TNM: pT1 0, pT2 1, pT3 2, pT4 0; N0/Nx 0, N1/N2 2; M0 0, M1 4; size ≥5 cm 2; nuclear grade 1–2 0, 3 1, 4 3; coagulative necrosis 2; max 15. Returns the published CSS row. Not 2002/2010 TNM. magent does not stage or read pathology. Not a diagnosis. Not a medical device.

POST
https://api.magentlab.com/api/calc/ssign
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
156 ms
360 ms slowest 5%
Last check
Passed
4 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

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

How to call it

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

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/ssign
content-type: application/json

{
  "items": [
    {
      "fuhrman": 1,
      "m_1997": "m0",
      "n_1997": "n0",
      "necrosis": false,
      "t_1997": "t1",
      "tumor_size_cm": 3
    },
    {
      "fuhrman": 1,
      "m_1997": "m0",
      "n_1997": "n0",
      "necrosis": false,
      "t_1997": "t1",
      "tumor_size_cm": 3
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 134 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Frank I, Blute ML, Cheville JC, Lohse CM, Weaver AL, Zincke H",
        "doi": "10.1016/s0022-5347(05)64153-5",
        "id": "frank-2002",
        "pmid": "12441925",
        "source": "J Urol. 2002;168(6):2395-2400",
        "title": "An outcome prediction model for patients with clear cell renal cell carcinoma treated with radical nephrectomy based on tumor stage, size, grade and necrosis: the SSIGN score"
      },
      "components": [
        {
          "factor": "t_1997",
          "points": 0,
          "present": true,
          "value": "t1"
        },
        {
          "factor": "n_1997",
          "points": 0,
          "present": true,
          "value": "n0"
        },
        {
          "factor": "m_1997",
          "points": 0,
          "present": true,
          "value": "m0"
        },
        {
          "factor": "tumor_size_cm",
          "points": 0,
          "present": false,
          "value": 3
        },
        {
          "factor": "fuhrman",
          "points": 0,
          "present": true,
          "value": 1
        },
        {
          "factor": "necrosis",
          "points": 0,
          "present": false
        }
      ],
      "css_10_year_percent": 97.1,
      "css_1_year_percent": 100,
      "css_3_year_percent": 99.7,
      "css_5_year_percent": 99.4,
      "css_7_year_percent": 98.7,
      "css_band": "0-1",
      "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": "ssign",
      "formula_expression": "SSIGN = t_1997 (t1 0, t2 1, t3/t3a/t3b/t3c 2, t4 0) + n_1997 (n0/nx 0, n1/n2 2) + m_1997 (m0 0, m1 4) + tumor_size_cm >=5 2 + fuhrman (1-2 0, 3 1, 4 3) + necrosis 2; Frank 2002 1997 TNM only; max 15; CSS rows 0-1, 2, 3, 4, 5, 6, 7, 8, 9, ge_10",
      "fuhrman": 1,
      "m_1997": "m0",
      "max_score": 15,
      "n_1997": "n0",
      "necrosis": false,
      "score": 0,
      "t_1997": "t1",
      "tumor_size_cm": 3
    },
    {
      "citation": {
        "authors": "Frank I, Blute ML, Cheville JC, Lohse CM, Weaver AL, Zincke H",
        "doi": "10.1016/s0022-5347(05)64153-5",
        "id": "frank-2002",
        "pmid": "12441925",
        "source": "J Urol. 2002;168(6):2395-2400",
        "title": "An outcome prediction model for patients with clear cell renal cell carcinoma treated with radical nephrectomy based on tumor stage, size, grade and necrosis: the SSIGN score"
      },
      "components": [
        {
          "factor": "t_1997",
          "points": 0,
          "present": true,
          "value": "t1"
        },
        {
          "factor": "n_1997",
          "points": 0,
          "present": true,
          "value": "n0"
        },
        {
          "factor": "m_1997",
          "points": 0,
          "present": true,
          "value": "m0"
        },
        {
          "factor": "tumor_size_cm",
          "points": 0,
          "present": false,
          "value": 3
        },
        {
          "factor": "fuhrman",
          "points": 0,
          "present": true,
          "value": 1
        },
        {
          "factor": "necrosis",
          "points": 0,
          "present": false
        }
      ],
      "css_10_year_percent": 97.1,
      "css_1_year_percent": 100,
      "css_3_year_percent": 99.7,
      "css_5_year_percent": 99.4,
      "css_7_year_percent": 98.7,
      "css_band": "0-1",
      "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": "ssign",
      "formula_expression": "SSIGN = t_1997 (t1 0, t2 1, t3/t3a/t3b/t3c 2, t4 0) + n_1997 (n0/nx 0, n1/n2 2) + m_1997 (m0 0, m1 4) + tumor_size_cm >=5 2 + fuhrman (1-2 0, 3 1, 4 3) + necrosis 2; Frank 2002 1997 TNM only; max 15; CSS rows 0-1, 2, 3, 4, 5, 6, 7, 8, 9, ge_10",
      "fuhrman": 1,
      "m_1997": "m0",
      "max_score": 15,
      "n_1997": "n0",
      "necrosis": false,
      "score": 0,
      "t_1997": "t1",
      "tumor_size_cm": 3
    }
  ],
  "path": "/api/calc/ssign"
}

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/ssign' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"fuhrman":1,"m_1997":"m0","n_1997":"n0","necrosis":false,"t_1997":"t1","tumor_size_cm":3},{"fuhrman":1,"m_1997":"m0","n_1997":"n0","necrosis":false,"t_1997":"t1","tumor_size_cm":3}]}'

# 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/ssign' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"fuhrman":1,"m_1997":"m0","n_1997":"n0","necrosis":false,"t_1997":"t1","tumor_size_cm":3},{"fuhrman":1,"m_1997":"m0","n_1997":"n0","necrosis":false,"t_1997":"t1","tumor_size_cm":3}]}' \
  | 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%2Fssign&method=POST
const res = await pay("https://api.magentlab.com/api/calc/ssign", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "fuhrman": 1,
        "m_1997": "m0",
        "n_1997": "n0",
        "necrosis": false,
        "t_1997": "t1",
        "tumor_size_cm": 3
      },
      {
        "fuhrman": 1,
        "m_1997": "m0",
        "n_1997": "n0",
        "necrosis": false,
        "t_1997": "t1",
        "tumor_size_cm": 3
      }
    ]
  }),
});
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/ssign",
        json={
            "items": [
                {
                    "fuhrman": 1,
                    "m_1997": "m0",
                    "n_1997": "n0",
                    "necrosis": False,
                    "t_1997": "t1",
                    "tumor_size_cm": 3,
                },
                {
                    "fuhrman": 1,
                    "m_1997": "m0",
                    "n_1997": "n0",
                    "necrosis": False,
                    "t_1997": "t1",
                    "tumor_size_cm": 3,
                },
            ],
        },
    )
    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 agoPassed402365 ms$0.007
9 h agoPassed402162 ms$0.007
14 h agoPassed402157 ms$0.007
18 h agoPassed402145 ms$0.007
23 h agoPassed402247 ms$0.007
Show 10 older checks
27 h agoPassed402344 ms$0.007
31 h agoPassed402159 ms$0.007
35 h agoPassed402138 ms$0.007
40 h agoPassed402150 ms$0.007
44 h agoPassed402240 ms$0.007
2 days agoPassed402143 ms$0.007
2 days agoPassed402336 ms$0.007
2 days agoPassed402145 ms$0.007
3 days agoPassed402272 ms$0.007
3 days agoPassed402144 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007