ToolVet
67trust / 100

Calc Brue

by magent in Other

x402 APIFailing, checked 2 h ago

BRUE (Tieder 2016 AAP). brue is true iff the infant is younger than 1 year, the episode was sudden, brief, and now resolved, no explanation remains after appropriate history and physical examination, and at least one of: cyanosis or pallor; absent, decreased, or irregular breathing; marked change in tone; altered level of responsiveness. feature_count is 0-4. Caller assigns seven flags. magent does not examine the infant. Not a diagnosis, not ALTE, not SIDS.

POST
https://api.magentlab.com/api/calc/brue
Price
$0.007
per call in USDC
Uptime
89.2%
last 30 days
Response time
226 ms
712 ms slowest 5%
Last check
Failed
2 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 2 h ago: Timed out

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

How to call it

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

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/brue
content-type: application/json

{
  "items": [
    {
      "absent_decreased_irregular_breathing": false,
      "age_under_1_year": true,
      "altered_responsiveness": false,
      "cyanosis_or_pallor": true,
      "marked_tone_change": false,
      "sudden_brief_now_resolved": true,
      "unexplained_after_history_exam": true
    },
    {
      "absent_decreased_irregular_breathing": false,
      "age_under_1_year": true,
      "altered_responsiveness": false,
      "cyanosis_or_pallor": true,
      "marked_tone_change": false,
      "sudden_brief_now_resolved": true,
      "unexplained_after_history_exam": true
    }
  ]
}

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": [
    {
      "brue": true,
      "citation": {
        "authors": "Tieder JS, Bonkowsky JL, Etzel RA, et al; American Academy of Pediatrics Subcommittee on Apparent Life-Threatening Events",
        "doi": "10.1542/peds.2016-0590",
        "id": "tieder-2016",
        "pmid": "27244835",
        "source": "Pediatrics. 2016;137(5):e20160590",
        "title": "Brief Resolved Unexplained Events (Formerly Apparent Life-Threatening Events) and Evaluation of Lower-Risk Infants"
      },
      "criteria": [
        {
          "factor": "age_under_1_year",
          "met": true
        },
        {
          "factor": "sudden_brief_now_resolved",
          "met": true
        },
        {
          "factor": "cyanosis_or_pallor",
          "met": true
        },
        {
          "factor": "absent_decreased_irregular_breathing",
          "met": false
        },
        {
          "factor": "marked_tone_change",
          "met": false
        },
        {
          "factor": "altered_responsiveness",
          "met": false
        },
        {
          "factor": "unexplained_after_history_exam",
          "met": true
        },
        {
          "factor": "feature_count_ge_1",
          "met": true,
          "value": 1
        }
      ],
      "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.",
      "feature_count": 1,
      "formula": "brue",
      "formula_expression": "brue iff age_under_1_year and sudden_brief_now_resolved and unexplained_after_history_exam and feature_count >= 1; feature_count counts cyanosis_or_pallor, absent_decreased_irregular_breathing, marked_tone_change, and altered_responsiveness (Tieder 2016 AAP BRUE definition)"
    },
    {
      "brue": true,
      "citation": {
        "authors": "Tieder JS, Bonkowsky JL, Etzel RA, et al; American Academy of Pediatrics Subcommittee on Apparent Life-Threatening Events",
        "doi": "10.1542/peds.2016-0590",
        "id": "tieder-2016",
        "pmid": "27244835",
        "source": "Pediatrics. 2016;137(5):e20160590",
        "title": "Brief Resolved Unexplained Events (Formerly Apparent Life-Threatening Events) and Evaluation of Lower-Risk Infants"
      },
      "criteria": [
        {
          "factor": "age_under_1_year",
          "met": true
        },
        {
          "factor": "sudden_brief_now_resolved",
          "met": true
        },
        {
          "factor": "cyanosis_or_pallor",
          "met": true
        },
        {
          "factor": "absent_decreased_irregular_breathing",
          "met": false
        },
        {
          "factor": "marked_tone_change",
          "met": false
        },
        {
          "factor": "altered_responsiveness",
          "met": false
        },
        {
          "factor": "unexplained_after_history_exam",
          "met": true
        },
        {
          "factor": "feature_count_ge_1",
          "met": true,
          "value": 1
        }
      ],
      "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.",
      "feature_count": 1,
      "formula": "brue",
      "formula_expression": "brue iff age_under_1_year and sudden_brief_now_resolved and unexplained_after_history_exam and feature_count >= 1; feature_count counts cyanosis_or_pallor, absent_decreased_irregular_breathing, marked_tone_change, and altered_responsiveness (Tieder 2016 AAP BRUE definition)"
    }
  ],
  "path": "/api/calc/brue"
}

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/brue' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"absent_decreased_irregular_breathing":false,"age_under_1_year":true,"altered_responsiveness":false,"cyanosis_or_pallor":true,"marked_tone_change":false,"sudden_brief_now_resolved":true,"unexplained_after_history_exam":true},{"absent_decreased_irregular_breathing":false,"age_under_1_year":true,"altered_responsiveness":false,"cyanosis_or_pallor":true,"marked_tone_change":false,"sudden_brief_now_resolved":true,"unexplained_after_history_exam":true}]}'

# 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/brue' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"absent_decreased_irregular_breathing":false,"age_under_1_year":true,"altered_responsiveness":false,"cyanosis_or_pallor":true,"marked_tone_change":false,"sudden_brief_now_resolved":true,"unexplained_after_history_exam":true},{"absent_decreased_irregular_breathing":false,"age_under_1_year":true,"altered_responsiveness":false,"cyanosis_or_pallor":true,"marked_tone_change":false,"sudden_brief_now_resolved":true,"unexplained_after_history_exam":true}]}' \
  | 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%2Fbrue&method=POST
const res = await pay("https://api.magentlab.com/api/calc/brue", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "absent_decreased_irregular_breathing": false,
        "age_under_1_year": true,
        "altered_responsiveness": false,
        "cyanosis_or_pallor": true,
        "marked_tone_change": false,
        "sudden_brief_now_resolved": true,
        "unexplained_after_history_exam": true
      },
      {
        "absent_decreased_irregular_breathing": false,
        "age_under_1_year": true,
        "altered_responsiveness": false,
        "cyanosis_or_pallor": true,
        "marked_tone_change": false,
        "sudden_brief_now_resolved": true,
        "unexplained_after_history_exam": true
      }
    ]
  }),
});
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/brue",
        json={
            "items": [
                {
                    "absent_decreased_irregular_breathing": False,
                    "age_under_1_year": True,
                    "altered_responsiveness": False,
                    "cyanosis_or_pallor": True,
                    "marked_tone_change": False,
                    "sudden_brief_now_resolved": True,
                    "unexplained_after_history_exam": True,
                },
                {
                    "absent_decreased_irregular_breathing": False,
                    "age_under_1_year": True,
                    "altered_responsiveness": False,
                    "cyanosis_or_pallor": True,
                    "marked_tone_change": False,
                    "sudden_brief_now_resolved": True,
                    "unexplained_after_history_exam": True,
                },
            ],
        },
    )
    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
2 h agoTimed out---
7 h agoTimed out---
12 h agoTimed out---
17 h agoTimed out---
22 h agoPassed402370 ms$0.007
Show 10 older checks
26 h agoPassed402495 ms$0.007
31 h agoPassed402361 ms$0.007
36 h agoPassed402160 ms$0.007
40 h agoPassed402289 ms$0.007
45 h agoPassed402140 ms$0.007
2 days agoPassed402156 ms$0.007
2 days agoPassed402391 ms$0.007
2 days agoPassed402292 ms$0.007
3 days agoPassed402292 ms$0.007
3 days agoPassed402385 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007