ToolVet
69trust / 100

Calc Kruis

by magent in Other

x402 APIFailing, checked 4 h ago

Kruis 1984 weighted IBS versus organic score. History: pain/flatulence/irregularity triad +34, duration >2 years +16, characteristic pain descriptors +23, alternating constipation/diarrhea +14. Organic flags: abnormal physical or pathognomonic history -47, ESR >10 mm/h -13, leukocytosis -50, anemia -98, blood in stool -98. IBS iff score >= 44. Caller assigns flags. magent does not examine the patient or run labs. Not a diagnosis, not Manning, not Rome.

POST
https://api.magentlab.com/api/calc/kruis
Price
$0.007
per call in USDC
Uptime
97.0%
last 30 days
Response time
285 ms
1.1 s slowest 5%
Last check
Failed
4 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 4 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/kruis

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/kruis
content-type: application/json

{
  "items": [
    {
      "abnormal_physical_or_pathognomonic_history": false,
      "alternating_constipation_diarrhea": true,
      "anemia": false,
      "blood_in_stool": false,
      "characteristic_pain_descriptors": true,
      "duration_gt_2_years": true,
      "esr_gt_10_mm_h": false,
      "leukocytosis": false,
      "symptom_triad": true
    },
    {
      "abnormal_physical_or_pathognomonic_history": false,
      "alternating_constipation_diarrhea": true,
      "anemia": false,
      "blood_in_stool": false,
      "characteristic_pain_descriptors": true,
      "duration_gt_2_years": true,
      "esr_gt_10_mm_h": false,
      "leukocytosis": false,
      "symptom_triad": true
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 136 lines
{
  "count": 2,
  "items": [
    {
      "band": "ibs",
      "citation": {
        "authors": "Kruis W, Thieme C, Weinzierl M, Schüssler P, Holl J, Paulus W",
        "doi": "10.1016/0016-5085(84)90119-7",
        "id": "kruis-1984",
        "pmid": "6724251",
        "source": "Gastroenterology. 1984;87(1):1-7",
        "title": "A diagnostic score for the irritable bowel syndrome. Its value in the exclusion of organic disease"
      },
      "components": [
        {
          "factor": "symptom_triad",
          "points": 34,
          "present": true
        },
        {
          "factor": "duration_gt_2_years",
          "points": 16,
          "present": true
        },
        {
          "factor": "characteristic_pain_descriptors",
          "points": 23,
          "present": true
        },
        {
          "factor": "alternating_constipation_diarrhea",
          "points": 14,
          "present": true
        },
        {
          "factor": "abnormal_physical_or_pathognomonic_history",
          "points": 0,
          "present": false
        },
        {
          "factor": "esr_gt_10_mm_h",
          "points": 0,
          "present": false
        },
        {
          "factor": "leukocytosis",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "blood_in_stool",
          "points": 0,
          "present": false
        }
      ],
      "cutoff": 44,
      "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": "kruis",
      "formula_expression": "kruis = symptom_triad 34 + duration_gt_2_years 16 + characteristic_pain_descriptors 23 + alternating_constipation_diarrhea 14 + abnormal_physical_or_pathognomonic_history -47 + esr_gt_10_mm_h -13 + leukocytosis -50 + anemia -98 + blood_in_stool -98; IBS iff score >= 44 (Kruis 1984 minimum score 44)",
      "kruis_ibs": true,
      "max_score": 87,
      "score": 87
    },
    {
      "band": "ibs",
      "citation": {
        "authors": "Kruis W, Thieme C, Weinzierl M, Schüssler P, Holl J, Paulus W",
        "doi": "10.1016/0016-5085(84)90119-7",
        "id": "kruis-1984",
        "pmid": "6724251",
        "source": "Gastroenterology. 1984;87(1):1-7",
        "title": "A diagnostic score for the irritable bowel syndrome. Its value in the exclusion of organic disease"
      },
      "components": [
        {
          "factor": "symptom_triad",
          "points": 34,
          "present": true
        },
        {
          "factor": "duration_gt_2_years",
          "points": 16,
          "present": true
        },
        {
          "factor": "characteristic_pain_descriptors",
          "points": 23,
          "present": true
        },
        {
          "factor": "alternating_constipation_diarrhea",
          "points": 14,
          "present": true
        },
        {
          "factor": "abnormal_physical_or_pathognomonic_history",
          "points": 0,
          "present": false
        },
        {
          "factor": "esr_gt_10_mm_h",
          "points": 0,
          "present": false
        },
        {
          "factor": "leukocytosis",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "blood_in_stool",
          "points": 0,
          "present": false
        }
      ],
      "cutoff": 44,
      "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": "kruis",
      "formula_expression": "kruis = symptom_triad 34 + duration_gt_2_years 16 + characteristic_pain_descriptors 23 + alternating_constipation_diarrhea 14 + abnormal_physical_or_pathognomonic_history -47 + esr_gt_10_mm_h -13 + leukocytosis -50 + anemia -98 + blood_in_stool -98; IBS iff score >= 44 (Kruis 1984 minimum score 44)",
      "kruis_ibs": true,
      "max_score": 87,
      "score": 87
    }
  ],
  "path": "/api/calc/kruis"
}

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/kruis' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_physical_or_pathognomonic_history":false,"alternating_constipation_diarrhea":true,"anemia":false,"blood_in_stool":false,"characteristic_pain_descriptors":true,"duration_gt_2_years":true,"esr_gt_10_mm_h":false,"leukocytosis":false,"symptom_triad":true},{"abnormal_physical_or_pathognomonic_history":false,"alternating_constipation_diarrhea":true,"anemia":false,"blood_in_stool":false,"characteristic_pain_descriptors":true,"duration_gt_2_years":true,"esr_gt_10_mm_h":false,"leukocytosis":false,"symptom_triad":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/kruis' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_physical_or_pathognomonic_history":false,"alternating_constipation_diarrhea":true,"anemia":false,"blood_in_stool":false,"characteristic_pain_descriptors":true,"duration_gt_2_years":true,"esr_gt_10_mm_h":false,"leukocytosis":false,"symptom_triad":true},{"abnormal_physical_or_pathognomonic_history":false,"alternating_constipation_diarrhea":true,"anemia":false,"blood_in_stool":false,"characteristic_pain_descriptors":true,"duration_gt_2_years":true,"esr_gt_10_mm_h":false,"leukocytosis":false,"symptom_triad":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%2Fkruis&method=POST
const res = await pay("https://api.magentlab.com/api/calc/kruis", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "abnormal_physical_or_pathognomonic_history": false,
        "alternating_constipation_diarrhea": true,
        "anemia": false,
        "blood_in_stool": false,
        "characteristic_pain_descriptors": true,
        "duration_gt_2_years": true,
        "esr_gt_10_mm_h": false,
        "leukocytosis": false,
        "symptom_triad": true
      },
      {
        "abnormal_physical_or_pathognomonic_history": false,
        "alternating_constipation_diarrhea": true,
        "anemia": false,
        "blood_in_stool": false,
        "characteristic_pain_descriptors": true,
        "duration_gt_2_years": true,
        "esr_gt_10_mm_h": false,
        "leukocytosis": false,
        "symptom_triad": 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/kruis",
        json={
            "items": [
                {
                    "abnormal_physical_or_pathognomonic_history": False,
                    "alternating_constipation_diarrhea": True,
                    "anemia": False,
                    "blood_in_stool": False,
                    "characteristic_pain_descriptors": True,
                    "duration_gt_2_years": True,
                    "esr_gt_10_mm_h": False,
                    "leukocytosis": False,
                    "symptom_triad": True,
                },
                {
                    "abnormal_physical_or_pathognomonic_history": False,
                    "alternating_constipation_diarrhea": True,
                    "anemia": False,
                    "blood_in_stool": False,
                    "characteristic_pain_descriptors": True,
                    "duration_gt_2_years": True,
                    "esr_gt_10_mm_h": False,
                    "leukocytosis": False,
                    "symptom_triad": 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
4 h agoTimed out---
9 h agoPassed402294 ms$0.007
14 h agoPassed402312 ms$0.007
18 h agoPassed402285 ms$0.007
23 h agoPassed402149 ms$0.007
Show 10 older checks
28 h agoPassed402314 ms$0.007
32 h agoPassed402183 ms$0.007
37 h agoPassed402463 ms$0.007
41 h agoPassed402300 ms$0.007
45 h agoPassed402149 ms$0.007
2 days agoPassed402161 ms$0.007
2 days agoPassed402646 ms$0.007
2 days agoPassed402243 ms$0.007
3 days agoPassed402326 ms$0.007
3 days agoPassed402166 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007