69trust / 100

Calc Pe Sard

by magent in Security & trust

x402 APIFailing, checked 34 min ago

Chopard 2021 PE-SARD score for early major bleeding in acute pulmonary embolism. Three caller-assigned flags: syncope (1.5), anemia (hemoglobin <12 g/dL, 2.5), renal dysfunction (GFR <60 mL/min, 1). Max 5. Half-points as published. Risk: low (0), intermediate (1–2.5), high (>2.5). magent does not assay hemoglobin or compute GFR. Not a PE diagnosis and not an anticoagulation order. Not a medical device.

POST
https://api.magentlab.com/api/calc/pe_sard
Price
$0.007
per call in USDC
Uptime
97.0%
last 30 days
Response time
155 ms
985 ms slowest 5%
Last check
Failed
34 min ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 34 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/pe_sard

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/pe_sard
content-type: application/json

{
  "items": [
    {
      "anemia": false,
      "renal_dysfunction": false,
      "syncope": false
    },
    {
      "anemia": false,
      "renal_dysfunction": false,
      "syncope": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 72 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Chopard R, Piazza G, Falvo N, Ecarnot F, Besutti M, Capellier G, Schiele F, Badoz M, Meneveau N",
        "doi": "10.1016/j.chest.2021.06.048",
        "id": "chopard-2021",
        "pmid": "34217683",
        "source": "Chest. 2021;160(5):1832-1843",
        "title": "An Original Risk Score to Predict Early Major Bleeding in Acute Pulmonary Embolism: The Syncope, Anemia, Renal Dysfunction (PE-SARD) Bleeding Score"
      },
      "components": [
        {
          "factor": "syncope",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "renal_dysfunction",
          "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": "pe_sard",
      "formula_expression": "PE-SARD (Chopard 2021) = syncope (1.5) + anemia Hb<12 g/dL (2.5) + renal_dysfunction GFR<60 (1); max 5; 0 low, 1-2.5 intermediate, >2.5 high; half-points not integer-rounded",
      "max_score": 5,
      "risk": "low",
      "score": 0
    },
    {
      "citation": {
        "authors": "Chopard R, Piazza G, Falvo N, Ecarnot F, Besutti M, Capellier G, Schiele F, Badoz M, Meneveau N",
        "doi": "10.1016/j.chest.2021.06.048",
        "id": "chopard-2021",
        "pmid": "34217683",
        "source": "Chest. 2021;160(5):1832-1843",
        "title": "An Original Risk Score to Predict Early Major Bleeding in Acute Pulmonary Embolism: The Syncope, Anemia, Renal Dysfunction (PE-SARD) Bleeding Score"
      },
      "components": [
        {
          "factor": "syncope",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "renal_dysfunction",
          "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": "pe_sard",
      "formula_expression": "PE-SARD (Chopard 2021) = syncope (1.5) + anemia Hb<12 g/dL (2.5) + renal_dysfunction GFR<60 (1); max 5; 0 low, 1-2.5 intermediate, >2.5 high; half-points not integer-rounded",
      "max_score": 5,
      "risk": "low",
      "score": 0
    }
  ],
  "path": "/api/calc/pe_sard"
}

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/pe_sard' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"anemia":false,"renal_dysfunction":false,"syncope":false},{"anemia":false,"renal_dysfunction":false,"syncope":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/pe_sard' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"anemia":false,"renal_dysfunction":false,"syncope":false},{"anemia":false,"renal_dysfunction":false,"syncope":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%2Fpe_sard&method=POST
const res = await pay("https://api.magentlab.com/api/calc/pe_sard", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "anemia": false,
        "renal_dysfunction": false,
        "syncope": false
      },
      {
        "anemia": false,
        "renal_dysfunction": false,
        "syncope": 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/pe_sard",
        json={
            "items": [
                {
                    "anemia": False,
                    "renal_dysfunction": False,
                    "syncope": False,
                },
                {
                    "anemia": False,
                    "renal_dysfunction": False,
                    "syncope": 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
34 min agoTimed out---
5 h agoPassed402282 ms$0.007
10 h agoPassed402985 ms$0.007
15 h agoPassed402141 ms$0.007
20 h agoPassed402220 ms$0.007
Show 10 older checks
24 h agoPassed402148 ms$0.007
29 h agoPassed402148 ms$0.007
33 h agoPassed402141 ms$0.007
37 h agoPassed402196 ms$0.007
41 h agoPassed402154 ms$0.007
46 h agoPassed402157 ms$0.007
2 days agoPassed402145 ms$0.007
2 days agoPassed402160 ms$0.007
2 days agoPassed402155 ms$0.007
3 days agoPassed402141 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007