68trust / 100

Calc Macocha

x402 APIFailing, checked 2 h ago

De Jong 2013 MACOCHA from seven caller-assigned flags: Mallampati III or IV (5), OSA (2), reduced cervical mobility (1), mouth opening <3 cm (1), coma (1), SpO2 <80% (1), non-anesthesiologist (1). Total 0-12 (0 easy, 12 very difficult); high_risk at >=3. Not an intubation order. magent does not examine the airway, compute GCS, or measure SpO2.

POST

https://api.magentlab.com/api/calc/macocha

Price: $0.007; per call in USDC
Uptime: 94.1%; last 30 days
Response time: 156 ms; 340 ms slowest 5%
Last check: Failed; 2 h ago, next any minute now

Run a free test call How 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/macocha

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/macocha
content-type: application/json

{
  "items": [
    {
      "coma": false,
      "limited_mouth_opening": false,
      "mallampati_iii_iv": false,
      "non_anesthesiologist": false,
      "obstructive_sleep_apnea": false,
      "reduced_cervical_mobility": false,
      "severe_hypoxemia": false
    },
    {
      "coma": false,
      "limited_mouth_opening": false,
      "mallampati_iii_iv": false,
      "non_anesthesiologist": false,
      "obstructive_sleep_apnea": false,
      "reduced_cervical_mobility": false,
      "severe_hypoxemia": false
    }
  ]
}

Parameters

Parameter	Type	Required	Description
`items`	array of object	Yes

Example response

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

Example response, 112 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "De Jong A, Molinari N, Terzi N, Mongardon N, Arnal JM, Guitton C, et al.",
        "doi": "10.1164/rccm.201210-1851OC",
        "id": "de-jong-2013",
        "pmid": "23348979",
        "source": "Am J Respir Crit Care Med. 2013;187(8):832-839",
        "title": "Early identification of patients at risk for difficult intubation in the intensive care unit: development and validation of the MACOCHA score in a multicenter cohort study"
      },
      "components": [
        {
          "factor": "mallampati_iii_iv",
          "points": 0,
          "present": false
        },
        {
          "factor": "obstructive_sleep_apnea",
          "points": 0,
          "present": false
        },
        {
          "factor": "reduced_cervical_mobility",
          "points": 0,
          "present": false
        },
        {
          "factor": "limited_mouth_opening",
          "points": 0,
          "present": false
        },
        {
          "factor": "coma",
          "points": 0,
          "present": false
        },
        {
          "factor": "severe_hypoxemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "non_anesthesiologist",
          "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": "macocha",
      "formula_expression": "MACOCHA = mallampati_iii_iv (5) + obstructive_sleep_apnea (2) + reduced_cervical_mobility (1) + limited_mouth_opening (1) + coma (1) + severe_hypoxemia (1) + non_anesthesiologist (1); De Jong 2013 Table 1; max 12; 0 easy, 12 very difficult; high_risk iff score >= 3",
      "high_risk": false,
      "max_score": 12,
      "score": 0
    },
    {
      "citation": {
        "authors": "De Jong A, Molinari N, Terzi N, Mongardon N, Arnal JM, Guitton C, et al.",
        "doi": "10.1164/rccm.201210-1851OC",
        "id": "de-jong-2013",
        "pmid": "23348979",
        "source": "Am J Respir Crit Care Med. 2013;187(8):832-839",
        "title": "Early identification of patients at risk for difficult intubation in the intensive care unit: development and validation of the MACOCHA score in a multicenter cohort study"
      },
      "components": [
        {
          "factor": "mallampati_iii_iv",
          "points": 0,
          "present": false
        },
        {
          "factor": "obstructive_sleep_apnea",
          "points": 0,
          "present": false
        },
        {
          "factor": "reduced_cervical_mobility",
          "points": 0,
          "present": false
        },
        {
          "factor": "limited_mouth_opening",
          "points": 0,
          "present": false
        },
        {
          "factor": "coma",
          "points": 0,
          "present": false
        },
        {
          "factor": "severe_hypoxemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "non_anesthesiologist",
          "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": "macocha",
      "formula_expression": "MACOCHA = mallampati_iii_iv (5) + obstructive_sleep_apnea (2) + reduced_cervical_mobility (1) + limited_mouth_opening (1) + coma (1) + severe_hypoxemia (1) + non_anesthesiologist (1); De Jong 2013 Table 1; max 12; 0 easy, 12 very difficult; high_risk iff score >= 3",
      "high_risk": false,
      "max_score": 12,
      "score": 0
    }
  ],
  "path": "/api/calc/macocha"
}

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/macocha' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"coma":false,"limited_mouth_opening":false,"mallampati_iii_iv":false,"non_anesthesiologist":false,"obstructive_sleep_apnea":false,"reduced_cervical_mobility":false,"severe_hypoxemia":false},{"coma":false,"limited_mouth_opening":false,"mallampati_iii_iv":false,"non_anesthesiologist":false,"obstructive_sleep_apnea":false,"reduced_cervical_mobility":false,"severe_hypoxemia":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/macocha' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"coma":false,"limited_mouth_opening":false,"mallampati_iii_iv":false,"non_anesthesiologist":false,"obstructive_sleep_apnea":false,"reduced_cervical_mobility":false,"severe_hypoxemia":false},{"coma":false,"limited_mouth_opening":false,"mallampati_iii_iv":false,"non_anesthesiologist":false,"obstructive_sleep_apnea":false,"reduced_cervical_mobility":false,"severe_hypoxemia":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%2Fmacocha&method=POST
const res = await pay("https://api.magentlab.com/api/calc/macocha", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "coma": false,
        "limited_mouth_opening": false,
        "mallampati_iii_iv": false,
        "non_anesthesiologist": false,
        "obstructive_sleep_apnea": false,
        "reduced_cervical_mobility": false,
        "severe_hypoxemia": false
      },
      {
        "coma": false,
        "limited_mouth_opening": false,
        "mallampati_iii_iv": false,
        "non_anesthesiologist": false,
        "obstructive_sleep_apnea": false,
        "reduced_cervical_mobility": false,
        "severe_hypoxemia": 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/macocha",
        json={
            "items": [
                {
                    "coma": False,
                    "limited_mouth_opening": False,
                    "mallampati_iii_iv": False,
                    "non_anesthesiologist": False,
                    "obstructive_sleep_apnea": False,
                    "reduced_cervical_mobility": False,
                    "severe_hypoxemia": False,
                },
                {
                    "coma": False,
                    "limited_mouth_opening": False,
                    "mallampati_iii_iv": False,
                    "non_anesthesiologist": False,
                    "obstructive_sleep_apnea": False,
                    "reduced_cervical_mobility": False,
                    "severe_hypoxemia": 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

When	Result	HTTP	Time	Price
2 h ago	Timed out	-	-	-
7 h ago	Timed out	-	-	-
12 h ago	Passed	402	161 ms	$0.007
17 h ago	Passed	402	147 ms	$0.007
21 h ago	Passed	402	143 ms	$0.007

Show 10 older checks

26 h ago	Passed	402	142 ms	$0.007
31 h ago	Passed	402	176 ms	$0.007
35 h ago	Passed	402	244 ms	$0.007
40 h ago	Passed	402	228 ms	$0.007
43 h ago	Passed	402	261 ms	$0.007
2 days ago	Passed	402	150 ms	$0.007
2 days ago	Passed	402	289 ms	$0.007
2 days ago	Passed	402	146 ms	$0.007
3 days ago	Passed	402	158 ms	$0.007
3 days ago	Passed	402	168 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 68/ 100

Availability (30-day uptime)		28 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		5 / 15
Charges what it lists		0 / 10
Security scan		10 / 10
Verified owner		0 / 10

How the score works

Payment terms

Price: $0.007 per call
Listed at: $0.005 (charges more)
Token: USDC
Networks: Base
Pays to: 0x836B…9Ee2

Real usage

Paying agents: 2 in 30 days
Paid calls: 5 in 30 days
Last paid call: 4 days ago

Source: x402 Bazaar settlement data.

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Trust score

[![ToolVet trust score](https://toolvet.app/badge/calc-macocha.svg)](https://toolvet.app/s/calc-macocha)