78trust / 100

Calc Sedan

by magent in Other

x402 APIPassing, checked 3 h ago

SEDAN (Strbian 2012 Ann Neurol) for sICH after stroke thrombolysis. Glucose 8.1-12.0 mmol/L (1) or >12.0 (2); early infarct signs (1); hyperdense cerebral artery (1); age >75 (1); admission NIHSS ≥10 (1); max 6. Derivation absolute sICH 1.4%, 2.9%, 8.5%, 12.2%, 21.7%, 33.3% for scores 0-5; no published percent for 6. Not a tPA withhold decision. magent does not assign NIHSS or read CT.

POST
https://api.magentlab.com/api/calc/sedan
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
268 ms
416 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/sedan

Each call costs $0.005 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/sedan
content-type: application/json

{
  "items": [
    {
      "age": 60,
      "early_infarct_signs": false,
      "glucose_mg_dl": 108,
      "glucose_mmol_l": 6,
      "hyperdense_artery": false,
      "nihss": 5
    },
    {
      "age": 60,
      "early_infarct_signs": false,
      "glucose_mg_dl": 108,
      "glucose_mmol_l": 6,
      "hyperdense_artery": false,
      "nihss": 5
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 106 lines
{
  "count": 2,
  "items": [
    {
      "age_years": 60,
      "citation": {
        "authors": "Strbian D, Engelter S, Michel P, Meretoja A, Sekoranja L, Ahlhelm FJ, Mustanoja S, Lynch J, Soinne L, Sairanen T, Lyrer P, Tatlisumak T",
        "doi": "10.1002/ana.23546",
        "id": "strbian-2012-sedan",
        "source": "Ann Neurol. 2012;71(5):634-641",
        "title": "Symptomatic intracranial hemorrhage after stroke thrombolysis: the SEDAN score"
      },
      "components": [
        {
          "factor": "glucose",
          "points": 0,
          "present": false,
          "value": 6
        },
        {
          "factor": "early_infarct_signs",
          "points": 0,
          "present": false
        },
        {
          "factor": "hyperdense_artery",
          "points": 0,
          "present": false
        },
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "nihss",
          "points": 0,
          "present": false,
          "value": 5
        }
      ],
      "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.",
      "early_infarct_signs": false,
      "formula": "sedan",
      "formula_expression": "SEDAN = glucose (8.1-12.0 mmol/L 1; >12.0 mmol/L 2) + early_infarct_signs 1 + hyperdense_artery 1 + (age >75) 1 + (NIHSS >=10) 1; max 6; derivation sICH 1.4/2.9/8.5/12.2/21.7/33.3% for scores 0-5 (Strbian 2012); no published percent for 6",
      "glucose_mmol_l": 6,
      "hyperdense_artery": false,
      "max_score": 6,
      "nihss": 5,
      "score": 0,
      "sich_percent": 1.4
    },
    {
      "age_years": 60,
      "citation": {
        "authors": "Strbian D, Engelter S, Michel P, Meretoja A, Sekoranja L, Ahlhelm FJ, Mustanoja S, Lynch J, Soinne L, Sairanen T, Lyrer P, Tatlisumak T",
        "doi": "10.1002/ana.23546",
        "id": "strbian-2012-sedan",
        "source": "Ann Neurol. 2012;71(5):634-641",
        "title": "Symptomatic intracranial hemorrhage after stroke thrombolysis: the SEDAN score"
      },
      "components": [
        {
          "factor": "glucose",
          "points": 0,
          "present": false,
          "value": 6
        },
        {
          "factor": "early_infarct_signs",
          "points": 0,
          "present": false
        },
        {
          "factor": "hyperdense_artery",
          "points": 0,
          "present": false
        },
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "nihss",
          "points": 0,
          "present": false,
          "value": 5
        }
      ],
      "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.",
      "early_infarct_signs": false,
      "formula": "sedan",
      "formula_expression": "SEDAN = glucose (8.1-12.0 mmol/L 1; >12.0 mmol/L 2) + early_infarct_signs 1 + hyperdense_artery 1 + (age >75) 1 + (NIHSS >=10) 1; max 6; derivation sICH 1.4/2.9/8.5/12.2/21.7/33.3% for scores 0-5 (Strbian 2012); no published percent for 6",
      "glucose_mmol_l": 6,
      "hyperdense_artery": false,
      "max_score": 6,
      "nihss": 5,
      "score": 0,
      "sich_percent": 1.4
    }
  ],
  "path": "/api/calc/sedan"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.

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/sedan' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"early_infarct_signs":false,"glucose_mg_dl":108,"glucose_mmol_l":6,"hyperdense_artery":false,"nihss":5},{"age":60,"early_infarct_signs":false,"glucose_mg_dl":108,"glucose_mmol_l":6,"hyperdense_artery":false,"nihss":5}]}'

# 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/sedan' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"early_infarct_signs":false,"glucose_mg_dl":108,"glucose_mmol_l":6,"hyperdense_artery":false,"nihss":5},{"age":60,"early_infarct_signs":false,"glucose_mg_dl":108,"glucose_mmol_l":6,"hyperdense_artery":false,"nihss":5}]}' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fsedan&method=POST
const res = await pay("https://api.magentlab.com/api/calc/sedan", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 60,
        "early_infarct_signs": false,
        "glucose_mg_dl": 108,
        "glucose_mmol_l": 6,
        "hyperdense_artery": false,
        "nihss": 5
      },
      {
        "age": 60,
        "early_infarct_signs": false,
        "glucose_mg_dl": 108,
        "glucose_mmol_l": 6,
        "hyperdense_artery": false,
        "nihss": 5
      }
    ]
  }),
});
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
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/sedan",
        json={
            "items": [
                {
                    "age": 60,
                    "early_infarct_signs": False,
                    "glucose_mg_dl": 108,
                    "glucose_mmol_l": 6,
                    "hyperdense_artery": False,
                    "nihss": 5,
                },
                {
                    "age": 60,
                    "early_infarct_signs": False,
                    "glucose_mg_dl": 108,
                    "glucose_mmol_l": 6,
                    "hyperdense_artery": False,
                    "nihss": 5,
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

No findings

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Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402416 ms$0.005
8 h agoPassed402237 ms$0.005
12 h agoPassed402347 ms$0.005
16 h agoPassed402272 ms$0.005
20 h agoPassed402340 ms$0.005
Show 10 older checks
25 h agoPassed402332 ms$0.005
29 h agoPassed402256 ms$0.005
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42 h agoPassed402304 ms$0.005
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3 days agoPassed402317 ms$0.005