ToolVet
67trust / 100

Calc Boston Syncope

by magent in Security & trust

x402 APIFailing, checked 16 min ago

Grossman 2007 Boston Syncope from eight caller-assigned flags: ACS signs/symptoms, conduction disease, worrisome cardiac history, valvular heart disease, family history of sudden death, persistent abnormal ED vitals, volume depletion, and primary CNS event. high_risk (Boston-positive) iff any is true; low_risk iff none. Adult (enrolled 18+). Not a disposition or admission order. magent does not examine the patient or interpret ECG/hematocrit. Not San Francisco Syncope, EGSYS, ROSE, or OESIL.

POST
https://api.magentlab.com/api/calc/boston_syncope
Price
$0.007
per call in USDC
Uptime
88.9%
last 30 days
Response time
156 ms
555 ms slowest 5%
Last check
Failed
16 min ago, next in 39 min

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 16 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/boston_syncope

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/boston_syncope
content-type: application/json

{
  "items": [
    {
      "acs_signs_symptoms": false,
      "conduction_disease": false,
      "family_history_sudden_death": false,
      "persistent_abnormal_vitals": false,
      "primary_cns_event": false,
      "valvular_heart_disease": false,
      "volume_depletion": false,
      "worrisome_cardiac_history": false
    },
    {
      "acs_signs_symptoms": false,
      "conduction_disease": false,
      "family_history_sudden_death": false,
      "persistent_abnormal_vitals": false,
      "primary_cns_event": false,
      "valvular_heart_disease": false,
      "volume_depletion": false,
      "worrisome_cardiac_history": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 112 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Grossman SA, Fischer C, Lipsitz LA, et al.",
        "doi": "10.1016/j.jemermed.2007.04.001",
        "id": "grossman-2007",
        "pmid": "17976548",
        "source": "J Emerg Med. 2007;33(3):233-239",
        "title": "Predicting adverse outcomes in syncope"
      },
      "criteria": [
        {
          "factor": "acs_signs_symptoms",
          "met": false
        },
        {
          "factor": "conduction_disease",
          "met": false
        },
        {
          "factor": "worrisome_cardiac_history",
          "met": false
        },
        {
          "factor": "valvular_heart_disease",
          "met": false
        },
        {
          "factor": "family_history_sudden_death",
          "met": false
        },
        {
          "factor": "persistent_abnormal_vitals",
          "met": false
        },
        {
          "factor": "volume_depletion",
          "met": false
        },
        {
          "factor": "primary_cns_event",
          "met": false
        },
        {
          "factor": "high_risk_any",
          "met": 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": "boston_syncope",
      "formula_expression": "high_risk iff acs_signs_symptoms or conduction_disease or worrisome_cardiac_history or valvular_heart_disease or family_history_sudden_death or persistent_abnormal_vitals or volume_depletion or primary_cns_event; low_risk iff not high_risk (Grossman 2007 Boston Syncope; Boston-positive iff any of eight caller-assigned flags)",
      "high_risk": false,
      "low_risk": true
    },
    {
      "citation": {
        "authors": "Grossman SA, Fischer C, Lipsitz LA, et al.",
        "doi": "10.1016/j.jemermed.2007.04.001",
        "id": "grossman-2007",
        "pmid": "17976548",
        "source": "J Emerg Med. 2007;33(3):233-239",
        "title": "Predicting adverse outcomes in syncope"
      },
      "criteria": [
        {
          "factor": "acs_signs_symptoms",
          "met": false
        },
        {
          "factor": "conduction_disease",
          "met": false
        },
        {
          "factor": "worrisome_cardiac_history",
          "met": false
        },
        {
          "factor": "valvular_heart_disease",
          "met": false
        },
        {
          "factor": "family_history_sudden_death",
          "met": false
        },
        {
          "factor": "persistent_abnormal_vitals",
          "met": false
        },
        {
          "factor": "volume_depletion",
          "met": false
        },
        {
          "factor": "primary_cns_event",
          "met": false
        },
        {
          "factor": "high_risk_any",
          "met": 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": "boston_syncope",
      "formula_expression": "high_risk iff acs_signs_symptoms or conduction_disease or worrisome_cardiac_history or valvular_heart_disease or family_history_sudden_death or persistent_abnormal_vitals or volume_depletion or primary_cns_event; low_risk iff not high_risk (Grossman 2007 Boston Syncope; Boston-positive iff any of eight caller-assigned flags)",
      "high_risk": false,
      "low_risk": true
    }
  ],
  "path": "/api/calc/boston_syncope"
}

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/boston_syncope' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"acs_signs_symptoms":false,"conduction_disease":false,"family_history_sudden_death":false,"persistent_abnormal_vitals":false,"primary_cns_event":false,"valvular_heart_disease":false,"volume_depletion":false,"worrisome_cardiac_history":false},{"acs_signs_symptoms":false,"conduction_disease":false,"family_history_sudden_death":false,"persistent_abnormal_vitals":false,"primary_cns_event":false,"valvular_heart_disease":false,"volume_depletion":false,"worrisome_cardiac_history":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/boston_syncope' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"acs_signs_symptoms":false,"conduction_disease":false,"family_history_sudden_death":false,"persistent_abnormal_vitals":false,"primary_cns_event":false,"valvular_heart_disease":false,"volume_depletion":false,"worrisome_cardiac_history":false},{"acs_signs_symptoms":false,"conduction_disease":false,"family_history_sudden_death":false,"persistent_abnormal_vitals":false,"primary_cns_event":false,"valvular_heart_disease":false,"volume_depletion":false,"worrisome_cardiac_history":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%2Fboston_syncope&method=POST
const res = await pay("https://api.magentlab.com/api/calc/boston_syncope", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "acs_signs_symptoms": false,
        "conduction_disease": false,
        "family_history_sudden_death": false,
        "persistent_abnormal_vitals": false,
        "primary_cns_event": false,
        "valvular_heart_disease": false,
        "volume_depletion": false,
        "worrisome_cardiac_history": false
      },
      {
        "acs_signs_symptoms": false,
        "conduction_disease": false,
        "family_history_sudden_death": false,
        "persistent_abnormal_vitals": false,
        "primary_cns_event": false,
        "valvular_heart_disease": false,
        "volume_depletion": false,
        "worrisome_cardiac_history": 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/boston_syncope",
        json={
            "items": [
                {
                    "acs_signs_symptoms": False,
                    "conduction_disease": False,
                    "family_history_sudden_death": False,
                    "persistent_abnormal_vitals": False,
                    "primary_cns_event": False,
                    "valvular_heart_disease": False,
                    "volume_depletion": False,
                    "worrisome_cardiac_history": False,
                },
                {
                    "acs_signs_symptoms": False,
                    "conduction_disease": False,
                    "family_history_sudden_death": False,
                    "persistent_abnormal_vitals": False,
                    "primary_cns_event": False,
                    "valvular_heart_disease": False,
                    "volume_depletion": False,
                    "worrisome_cardiac_history": 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
16 min agoTimed out---
6 h agoTimed out---
11 h agoTimed out---
16 h agoTimed out---
20 h agoPassed402154 ms$0.007
Show 10 older checks
25 h agoPassed402141 ms$0.007
30 h agoPassed402330 ms$0.007
35 h agoPassed402153 ms$0.007
39 h agoPassed402300 ms$0.007
44 h agoPassed402555 ms$0.007
2 days agoPassed402319 ms$0.007
2 days agoPassed402303 ms$0.007
2 days agoPassed402147 ms$0.007
3 days agoPassed402160 ms$0.007
3 days agoPassed402165 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007