ToolVet
67trust / 100

Calc Fistula Risk

by magent in Security & trust

x402 APIFailing, checked 28 min ago

Callery 2013 Fistula Risk Score after pancreatoduodenectomy: gland texture firm 0 / soft 2; pathology PDAC or pancreatitis 0 / other (ampullary, duodenal, cystic, islet cell) 1; duct mm ≥5 0, ≥4 1, ≥3 2, ≥2 3, else 4; EBL mL ≤400 0, 401–700 1, 701–1000 2, >1000 3. Max 10. Bands negligible 0, low 1–2, intermediate 3–6, high 7–10. magent does not palpate the gland or measure EBL. Not a CR-POPF diagnosis, not an ISGPS grade, not Ranson or BISAP. Not a medical device.

POST
https://api.magentlab.com/api/calc/fistula_risk
Price
$0.007
per call in USDC
Uptime
91.4%
last 30 days
Response time
153 ms
381 ms slowest 5%
Last check
Failed
28 min ago, next in 30 min

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 28 min ago: Timed out

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

How to call it

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

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/fistula_risk
content-type: application/json

{
  "items": [
    {
      "duct_mm": 5,
      "ebl_ml": 300,
      "gland_texture": "firm",
      "pathology": "pdac_or_pancreatitis"
    },
    {
      "duct_mm": 5,
      "ebl_ml": 300,
      "gland_texture": "firm",
      "pathology": "pdac_or_pancreatitis"
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 98 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Callery MP, Pratt WB, Kent TS, Chaikof EL, Vollmer CM",
        "doi": "10.1016/j.jamcollsurg.2012.09.002",
        "id": "callery-2013",
        "pmid": "23122535",
        "source": "J Am Coll Surg. 2013;216(1):1-14",
        "title": "A prospectively validated clinical risk score accurately predicts pancreatic fistula after pancreatoduodenectomy."
      },
      "components": [
        {
          "factor": "gland_texture",
          "points": 0,
          "present": true,
          "value": "firm"
        },
        {
          "factor": "pathology",
          "points": 0,
          "present": true,
          "value": "pdac_or_pancreatitis"
        },
        {
          "factor": "duct_mm",
          "points": 0,
          "present": true,
          "value": 5
        },
        {
          "factor": "ebl_ml",
          "points": 0,
          "present": true,
          "value": 300
        }
      ],
      "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.",
      "duct_mm": 5,
      "ebl_ml": 300,
      "fistula_band": "negligible",
      "formula": "fistula_risk",
      "formula_expression": "FRS = gland_texture (firm 0, soft 2) + pathology (pdac_or_pancreatitis 0, other 1) + duct_mm (>=5 0, >=4 1, >=3 2, >=2 3, else 4) + ebl_ml (<=400 0, <=700 1, <=1000 2, else 3); Callery 2013; max 10; negligible 0, low 1-2, intermediate 3-6, high 7-10",
      "gland_texture": "firm",
      "max_score": 10,
      "pathology": "pdac_or_pancreatitis",
      "score": 0
    },
    {
      "citation": {
        "authors": "Callery MP, Pratt WB, Kent TS, Chaikof EL, Vollmer CM",
        "doi": "10.1016/j.jamcollsurg.2012.09.002",
        "id": "callery-2013",
        "pmid": "23122535",
        "source": "J Am Coll Surg. 2013;216(1):1-14",
        "title": "A prospectively validated clinical risk score accurately predicts pancreatic fistula after pancreatoduodenectomy."
      },
      "components": [
        {
          "factor": "gland_texture",
          "points": 0,
          "present": true,
          "value": "firm"
        },
        {
          "factor": "pathology",
          "points": 0,
          "present": true,
          "value": "pdac_or_pancreatitis"
        },
        {
          "factor": "duct_mm",
          "points": 0,
          "present": true,
          "value": 5
        },
        {
          "factor": "ebl_ml",
          "points": 0,
          "present": true,
          "value": 300
        }
      ],
      "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.",
      "duct_mm": 5,
      "ebl_ml": 300,
      "fistula_band": "negligible",
      "formula": "fistula_risk",
      "formula_expression": "FRS = gland_texture (firm 0, soft 2) + pathology (pdac_or_pancreatitis 0, other 1) + duct_mm (>=5 0, >=4 1, >=3 2, >=2 3, else 4) + ebl_ml (<=400 0, <=700 1, <=1000 2, else 3); Callery 2013; max 10; negligible 0, low 1-2, intermediate 3-6, high 7-10",
      "gland_texture": "firm",
      "max_score": 10,
      "pathology": "pdac_or_pancreatitis",
      "score": 0
    }
  ],
  "path": "/api/calc/fistula_risk"
}

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/fistula_risk' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"duct_mm":5,"ebl_ml":300,"gland_texture":"firm","pathology":"pdac_or_pancreatitis"},{"duct_mm":5,"ebl_ml":300,"gland_texture":"firm","pathology":"pdac_or_pancreatitis"}]}'

# 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/fistula_risk' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"duct_mm":5,"ebl_ml":300,"gland_texture":"firm","pathology":"pdac_or_pancreatitis"},{"duct_mm":5,"ebl_ml":300,"gland_texture":"firm","pathology":"pdac_or_pancreatitis"}]}' \
  | 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%2Ffistula_risk&method=POST
const res = await pay("https://api.magentlab.com/api/calc/fistula_risk", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "duct_mm": 5,
        "ebl_ml": 300,
        "gland_texture": "firm",
        "pathology": "pdac_or_pancreatitis"
      },
      {
        "duct_mm": 5,
        "ebl_ml": 300,
        "gland_texture": "firm",
        "pathology": "pdac_or_pancreatitis"
      }
    ]
  }),
});
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/fistula_risk",
        json={
            "items": [
                {
                    "duct_mm": 5,
                    "ebl_ml": 300,
                    "gland_texture": "firm",
                    "pathology": "pdac_or_pancreatitis",
                },
                {
                    "duct_mm": 5,
                    "ebl_ml": 300,
                    "gland_texture": "firm",
                    "pathology": "pdac_or_pancreatitis",
                },
            ],
        },
    )
    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
28 min agoTimed out---
5 h agoTimed out---
10 h agoTimed out---
15 h agoPassed402169 ms$0.007
20 h agoPassed402618 ms$0.007
Show 10 older checks
25 h agoPassed402307 ms$0.007
29 h agoPassed402151 ms$0.007
34 h agoPassed402158 ms$0.007
38 h agoPassed402162 ms$0.007
43 h agoPassed402142 ms$0.007
47 h agoPassed402300 ms$0.007
2 days agoPassed402141 ms$0.007
2 days agoPassed402266 ms$0.007
2 days agoPassed402191 ms$0.007
3 days agoPassed402147 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007