67trust / 100

Calc Crash

by magent in Other

x402 APIFailing, checked 5 h ago

Extermann 2012 CRASH chemotherapy toxicity score (not trauma CRASH): diastolic BP, IADL, LDH versus ULN, caller-assigned MAX2 Chemotox, ECOG, Mini-Mental Status, Mini-Nutritional Assessment. Hematologic 0–6, nonhematologic 0–8, combined 0–12 counting Chemotox once. Four-level low/medium_low/medium_high/high bands with derivation incidences. Not a chemotherapy order and not CARG-TT. magent does not look up regimens.

POST

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

Price: $0.007; per call in USDC
Uptime: 91.4%; last 30 days
Response time: 160 ms; 801 ms slowest 5%
Last check: Failed; 5 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 5 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/crash

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/crash
content-type: application/json

{
  "items": [
    {
      "chemotox": 0.5,
      "diastolic_mm_hg": 80,
      "ecog": 1,
      "iadl": 20,
      "ldh_u_l": 500,
      "ldh_uln_u_l": 618,
      "mms": 28,
      "mna": 26
    },
    {
      "chemotox": 0.5,
      "diastolic_mm_hg": 80,
      "ecog": 1,
      "iadl": 20,
      "ldh_u_l": 500,
      "ldh_uln_u_l": 618,
      "mms": 28,
      "mna": 26
    }
  ]
}

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, 160 lines

{
  "count": 2,
  "items": [
    {
      "chemotox": 0.5,
      "citation": {
        "authors": "Extermann M, Boler I, Reich RR, et al.",
        "doi": "10.1002/cncr.26646",
        "id": "extermann-2012",
        "pmid": "22072065",
        "source": "Cancer. 2012;118(13):3377-3386",
        "title": "Predicting the risk of chemotherapy toxicity in older patients: the Chemotherapy Risk Assessment Scale for High-Age Patients (CRASH) score"
      },
      "combined_incidence_percent": 79,
      "combined_risk": "high",
      "combined_score": 10,
      "components": [
        {
          "factor": "diastolic_mm_hg",
          "points": 1,
          "present": true,
          "value": 80
        },
        {
          "factor": "iadl",
          "points": 1,
          "present": true,
          "value": 20
        },
        {
          "factor": "ldh",
          "points": 2,
          "present": true,
          "value": 500
        },
        {
          "factor": "chemotox",
          "points": 1,
          "present": true,
          "value": 0.5
        },
        {
          "factor": "ecog",
          "points": 1,
          "present": true,
          "value": 1
        },
        {
          "factor": "mms",
          "points": 2,
          "present": true,
          "value": 28
        },
        {
          "factor": "mna",
          "points": 2,
          "present": true,
          "value": 26
        }
      ],
      "diastolic_mm_hg": 80,
      "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.",
      "ecog": 1,
      "formula": "crash",
      "formula_expression": "CRASH (Extermann 2012 Table 4) hematologic = diastolic_mm_hg (<=72 0, >72 1) + iadl (26-29 0, 10-25 1) + ldh (ldh_u_l > 0.74 * ldh_uln_u_l 2 else 0; empty 1-point column) + chemotox (0-0.44 0, 0.45-0.57 1, >0.57 2); max 6; nonhematologic = ecog (0 → 0, 1-2 → 1, 3-4 → 2) + mms (30 → 0, <30 → 2) + mna (28-30 → 0, <28 → 2) + chemotox (same); max 8; combined = hematologic + nonhematologic - chemotox (count Chemotox once; max 12 not 14); H 0-1 low 7%, 2-3 medium_low 23%, 4-5 medium_high 54%, 6 high 100%; NH 0-2 low 33%, 3-4 medium_low 46%, 5-6 medium_high 67%, 7-8 high 93%; combined 0-3 low 50%, 4-6 medium_low 58%, 7-9 medium_high 77%, 10-12 high 79%; not trauma CRASH; not CARG-TT; Chemotox is caller-assigned MAX2",
      "hematologic_incidence_percent": 54,
      "hematologic_risk": "medium_high",
      "hematologic_score": 5,
      "iadl": 20,
      "ldh_u_l": 500,
      "ldh_uln_u_l": 618,
      "max_combined_score": 12,
      "max_hematologic_score": 6,
      "max_nonhematologic_score": 8,
      "mms": 28,
      "mna": 26,
      "nonhematologic_incidence_percent": 67,
      "nonhematologic_risk": "medium_high",
      "nonhematologic_score": 6
    },
    {
      "chemotox": 0.5,
      "citation": {
        "authors": "Extermann M, Boler I, Reich RR, et al.",
        "doi": "10.1002/cncr.26646",
        "id": "extermann-2012",
        "pmid": "22072065",
        "source": "Cancer. 2012;118(13):3377-3386",
        "title": "Predicting the risk of chemotherapy toxicity in older patients: the Chemotherapy Risk Assessment Scale for High-Age Patients (CRASH) score"
      },
      "combined_incidence_percent": 79,
      "combined_risk": "high",
      "combined_score": 10,
      "components": [
        {
          "factor": "diastolic_mm_hg",
          "points": 1,
          "present": true,
          "value": 80
        },
        {
          "factor": "iadl",
          "points": 1,
          "present": true,
          "value": 20
        },
        {
          "factor": "ldh",
          "points": 2,
          "present": true,
          "value": 500
        },
        {
          "factor": "chemotox",
          "points": 1,
          "present": true,
          "value": 0.5
        },
        {
          "factor": "ecog",
          "points": 1,
          "present": true,
          "value": 1
        },
        {
          "factor": "mms",
          "points": 2,
          "present": true,
          "value": 28
        },
        {
          "factor": "mna",
          "points": 2,
          "present": true,
          "value": 26
        }
      ],
      "diastolic_mm_hg": 80,
      "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.",
      "ecog": 1,
      "formula": "crash",
      "formula_expression": "CRASH (Extermann 2012 Table 4) hematologic = diastolic_mm_hg (<=72 0, >72 1) + iadl (26-29 0, 10-25 1) + ldh (ldh_u_l > 0.74 * ldh_uln_u_l 2 else 0; empty 1-point column) + chemotox (0-0.44 0, 0.45-0.57 1, >0.57 2); max 6; nonhematologic = ecog (0 → 0, 1-2 → 1, 3-4 → 2) + mms (30 → 0, <30 → 2) + mna (28-30 → 0, <28 → 2) + chemotox (same); max 8; combined = hematologic + nonhematologic - chemotox (count Chemotox once; max 12 not 14); H 0-1 low 7%, 2-3 medium_low 23%, 4-5 medium_high 54%, 6 high 100%; NH 0-2 low 33%, 3-4 medium_low 46%, 5-6 medium_high 67%, 7-8 high 93%; combined 0-3 low 50%, 4-6 medium_low 58%, 7-9 medium_high 77%, 10-12 high 79%; not trauma CRASH; not CARG-TT; Chemotox is caller-assigned MAX2",
      "hematologic_incidence_percent": 54,
      "hematologic_risk": "medium_high",
      "hematologic_score": 5,
      "iadl": 20,
      "ldh_u_l": 500,
      "ldh_uln_u_l": 618,
      "max_combined_score": 12,
      "max_hematologic_score": 6,
      "max_nonhematologic_score": 8,
      "mms": 28,
      "mna": 26,
      "nonhematologic_incidence_percent": 67,
      "nonhematologic_risk": "medium_high",
      "nonhematologic_score": 6
    }
  ],
  "path": "/api/calc/crash"
}

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/crash' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"chemotox":0.5,"diastolic_mm_hg":80,"ecog":1,"iadl":20,"ldh_u_l":500,"ldh_uln_u_l":618,"mms":28,"mna":26},{"chemotox":0.5,"diastolic_mm_hg":80,"ecog":1,"iadl":20,"ldh_u_l":500,"ldh_uln_u_l":618,"mms":28,"mna":26}]}'

# 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/crash' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"chemotox":0.5,"diastolic_mm_hg":80,"ecog":1,"iadl":20,"ldh_u_l":500,"ldh_uln_u_l":618,"mms":28,"mna":26},{"chemotox":0.5,"diastolic_mm_hg":80,"ecog":1,"iadl":20,"ldh_u_l":500,"ldh_uln_u_l":618,"mms":28,"mna":26}]}' \
  | 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%2Fcrash&method=POST
const res = await pay("https://api.magentlab.com/api/calc/crash", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "chemotox": 0.5,
        "diastolic_mm_hg": 80,
        "ecog": 1,
        "iadl": 20,
        "ldh_u_l": 500,
        "ldh_uln_u_l": 618,
        "mms": 28,
        "mna": 26
      },
      {
        "chemotox": 0.5,
        "diastolic_mm_hg": 80,
        "ecog": 1,
        "iadl": 20,
        "ldh_u_l": 500,
        "ldh_uln_u_l": 618,
        "mms": 28,
        "mna": 26
      }
    ]
  }),
});
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/crash",
        json={
            "items": [
                {
                    "chemotox": 0.5,
                    "diastolic_mm_hg": 80,
                    "ecog": 1,
                    "iadl": 20,
                    "ldh_u_l": 500,
                    "ldh_uln_u_l": 618,
                    "mms": 28,
                    "mna": 26,
                },
                {
                    "chemotox": 0.5,
                    "diastolic_mm_hg": 80,
                    "ecog": 1,
                    "iadl": 20,
                    "ldh_u_l": 500,
                    "ldh_uln_u_l": 618,
                    "mms": 28,
                    "mna": 26,
                },
            ],
        },
    )
    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
5 h ago	Timed out	-	-	-
10 h ago	Timed out	-	-	-
14 h ago	Timed out	-	-	-
19 h ago	Passed	402	161 ms	$0.007
24 h ago	Passed	402	156 ms	$0.007

Show 10 older checks

29 h ago	Passed	402	164 ms	$0.007
33 h ago	Passed	402	141 ms	$0.007
38 h ago	Passed	402	157 ms	$0.007
42 h ago	Passed	402	308 ms	$0.007
47 h ago	Passed	402	171 ms	$0.007
2 days ago	Passed	402	321 ms	$0.007
2 days ago	Passed	402	160 ms	$0.007
2 days ago	Passed	402	143 ms	$0.007
3 days ago	Passed	402	163 ms	$0.007
3 days ago	Passed	402	169 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 67/ 100

Availability (30-day uptime)		27 / 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: 5 days ago

Source: x402 Bazaar settlement data.

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Trust score

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