71trust / 100

Calc Riske

by magent in Security & trust

x402 APIPassing, checked 3 h ago

Olmos 2017 RISK-E (Risk-Endocarditis) for in-hospital mortality after cardiac surgery in active left-sided IE. Age <=51: 0; 52-63: 9; 64-72: 13; >=73: 14. Flags: prosthetic_infection +6, periannular_complications +5, staphylococcus_aureus_or_fungi +9, acute_renal_failure +5, septic_shock +7, cardiogenic_shock +15, thrombocytopenia +7. Returns score and max_score 68 only. Not a diagnosis or surgery decision. magent does not examine the valve or read echo.

POST
https://api.magentlab.com/api/calc/riske
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
175 ms
464 ms slowest 5%
Last check
Passed
3 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/riske

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/riske
content-type: application/json

{
  "items": [
    {
      "acute_renal_failure": false,
      "age": 50,
      "cardiogenic_shock": false,
      "periannular_complications": false,
      "prosthetic_infection": false,
      "septic_shock": false,
      "staphylococcus_aureus_or_fungi": false,
      "thrombocytopenia": false
    },
    {
      "acute_renal_failure": false,
      "age": 50,
      "cardiogenic_shock": false,
      "periannular_complications": false,
      "prosthetic_infection": false,
      "septic_shock": false,
      "staphylococcus_aureus_or_fungi": false,
      "thrombocytopenia": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 124 lines
{
  "count": 2,
  "items": [
    {
      "age_years": 50,
      "citation": {
        "authors": "Olmos C, Vilacosta I, Fernández C, et al.",
        "doi": "10.1136/heartjnl-2016-311093",
        "id": "olmos-2017",
        "pmid": "28432158",
        "source": "Heart. 2017;103(18):1435-1442",
        "title": "Risk score for cardiac surgery in active left-sided infective endocarditis"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": true,
          "value": 50
        },
        {
          "factor": "prosthetic_infection",
          "points": 0,
          "present": false
        },
        {
          "factor": "periannular_complications",
          "points": 0,
          "present": false
        },
        {
          "factor": "staphylococcus_aureus_or_fungi",
          "points": 0,
          "present": false
        },
        {
          "factor": "acute_renal_failure",
          "points": 0,
          "present": false
        },
        {
          "factor": "septic_shock",
          "points": 0,
          "present": false
        },
        {
          "factor": "cardiogenic_shock",
          "points": 0,
          "present": false
        },
        {
          "factor": "thrombocytopenia",
          "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": "riske",
      "formula_expression": "RISK-E = age (<=51: 0, 52-63: 9, 64-72: 13, >=73: 14) + prosthetic_infection 6 + periannular_complications 5 + staphylococcus_aureus_or_fungi 9 + acute_renal_failure 5 + septic_shock 7 + cardiogenic_shock 15 + thrombocytopenia 7; max 68. Score and max_score only; not a mortality percent. Olmos 2017 Table 2 and Table 3. Not Park 2016. Not Duke",
      "max_score": 68,
      "score": 0
    },
    {
      "age_years": 50,
      "citation": {
        "authors": "Olmos C, Vilacosta I, Fernández C, et al.",
        "doi": "10.1136/heartjnl-2016-311093",
        "id": "olmos-2017",
        "pmid": "28432158",
        "source": "Heart. 2017;103(18):1435-1442",
        "title": "Risk score for cardiac surgery in active left-sided infective endocarditis"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": true,
          "value": 50
        },
        {
          "factor": "prosthetic_infection",
          "points": 0,
          "present": false
        },
        {
          "factor": "periannular_complications",
          "points": 0,
          "present": false
        },
        {
          "factor": "staphylococcus_aureus_or_fungi",
          "points": 0,
          "present": false
        },
        {
          "factor": "acute_renal_failure",
          "points": 0,
          "present": false
        },
        {
          "factor": "septic_shock",
          "points": 0,
          "present": false
        },
        {
          "factor": "cardiogenic_shock",
          "points": 0,
          "present": false
        },
        {
          "factor": "thrombocytopenia",
          "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": "riske",
      "formula_expression": "RISK-E = age (<=51: 0, 52-63: 9, 64-72: 13, >=73: 14) + prosthetic_infection 6 + periannular_complications 5 + staphylococcus_aureus_or_fungi 9 + acute_renal_failure 5 + septic_shock 7 + cardiogenic_shock 15 + thrombocytopenia 7; max 68. Score and max_score only; not a mortality percent. Olmos 2017 Table 2 and Table 3. Not Park 2016. Not Duke",
      "max_score": 68,
      "score": 0
    }
  ],
  "path": "/api/calc/riske"
}

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/riske' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"acute_renal_failure":false,"age":50,"cardiogenic_shock":false,"periannular_complications":false,"prosthetic_infection":false,"septic_shock":false,"staphylococcus_aureus_or_fungi":false,"thrombocytopenia":false},{"acute_renal_failure":false,"age":50,"cardiogenic_shock":false,"periannular_complications":false,"prosthetic_infection":false,"septic_shock":false,"staphylococcus_aureus_or_fungi":false,"thrombocytopenia":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/riske' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"acute_renal_failure":false,"age":50,"cardiogenic_shock":false,"periannular_complications":false,"prosthetic_infection":false,"septic_shock":false,"staphylococcus_aureus_or_fungi":false,"thrombocytopenia":false},{"acute_renal_failure":false,"age":50,"cardiogenic_shock":false,"periannular_complications":false,"prosthetic_infection":false,"septic_shock":false,"staphylococcus_aureus_or_fungi":false,"thrombocytopenia":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%2Friske&method=POST
const res = await pay("https://api.magentlab.com/api/calc/riske", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "acute_renal_failure": false,
        "age": 50,
        "cardiogenic_shock": false,
        "periannular_complications": false,
        "prosthetic_infection": false,
        "septic_shock": false,
        "staphylococcus_aureus_or_fungi": false,
        "thrombocytopenia": false
      },
      {
        "acute_renal_failure": false,
        "age": 50,
        "cardiogenic_shock": false,
        "periannular_complications": false,
        "prosthetic_infection": false,
        "septic_shock": false,
        "staphylococcus_aureus_or_fungi": false,
        "thrombocytopenia": 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/riske",
        json={
            "items": [
                {
                    "acute_renal_failure": False,
                    "age": 50,
                    "cardiogenic_shock": False,
                    "periannular_complications": False,
                    "prosthetic_infection": False,
                    "septic_shock": False,
                    "staphylococcus_aureus_or_fungi": False,
                    "thrombocytopenia": False,
                },
                {
                    "acute_renal_failure": False,
                    "age": 50,
                    "cardiogenic_shock": False,
                    "periannular_complications": False,
                    "prosthetic_infection": False,
                    "septic_shock": False,
                    "staphylococcus_aureus_or_fungi": False,
                    "thrombocytopenia": 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
3 h agoPassed402317 ms$0.007
7 h agoPassed402155 ms$0.007
12 h agoPassed402162 ms$0.007
17 h agoPassed402149 ms$0.007
21 h agoPassed402236 ms$0.007
Show 10 older checks
25 h agoPassed402253 ms$0.007
29 h agoPassed402168 ms$0.007
34 h agoPassed402151 ms$0.007
38 h agoPassed402338 ms$0.007
42 h agoPassed402138 ms$0.007
47 h agoPassed402154 ms$0.007
2 days agoPassed402137 ms$0.007
2 days agoPassed402222 ms$0.007
2 days agoPassed402184 ms$0.007
3 days agoPassed402266 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007