ToolVet
78trust / 100

Calc Dutch Fh

by magent in Other

x402 APIPassing, checked 2 h ago

Dutch Lipid Clinic Network (Nordestgaard 2013 Table 1) familial hypercholesterolaemia score. One LDL (mmol/L or mg/dL / 38.67) plus family, clinical, physical, and DNA groups; per group only the highest. Max 26. Definite >8, probable 6-8, possible 3-5, unlikely 0-2. Score 8 (mutation alone) is probable. Adult Table 1 only; not Simon Broome, not MEDPED, not homozygous FH. magent does not assay lipids, examine tendons or arcus, or sequence genes. Not a medical device and not a diagnosis of FH.

POST
https://api.magentlab.com/api/calc/dutch_fh
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
289 ms
559 ms slowest 5%
Last check
Passed
2 h ago, next any minute now

Run a free test callHow to call it

Reliability

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

How to call it

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

Each call costs $0.005 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/dutch_fh
content-type: application/json

{
  "items": [
    {
      "causative_mutation_ldlr_apob_pcsk9": false,
      "child_ldl_gt_95th": false,
      "corneal_arcus_age_lt_45": false,
      "first_degree_ldl_gt_95th": false,
      "first_degree_premature_chd": false,
      "first_degree_xanthoma_or_arcus": false,
      "ldl_mg_dl": 348,
      "ldl_mmol_l": 9,
      "premature_cerebral_or_pvd": false,
      "premature_chd": false,
      "tendon_xanthoma": true
    },
    {
      "causative_mutation_ldlr_apob_pcsk9": false,
      "child_ldl_gt_95th": false,
      "corneal_arcus_age_lt_45": false,
      "first_degree_ldl_gt_95th": false,
      "first_degree_premature_chd": false,
      "first_degree_xanthoma_or_arcus": false,
      "ldl_mg_dl": 348,
      "ldl_mmol_l": 9,
      "premature_cerebral_or_pvd": false,
      "premature_chd": false,
      "tendon_xanthoma": 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": [
    {
      "citation": {
        "authors": "Nordestgaard BG, Chapman MJ, Humphries SE, et al.",
        "doi": "10.1093/eurheartj/eht273",
        "id": "nordestgaard-2013",
        "pmid": "23956253",
        "source": "Eur Heart J. 2013;34(45):3478-3490",
        "title": "Familial hypercholesterolaemia is underdiagnosed and undertreated in the general population: guidance for clinicians to prevent coronary heart disease: consensus statement of the European Atherosclerosis Society"
      },
      "classification": "definite",
      "clinical_points": 0,
      "components": [
        {
          "factor": "family",
          "points": 0,
          "present": false
        },
        {
          "factor": "clinical",
          "points": 0,
          "present": false
        },
        {
          "factor": "physical",
          "points": 6,
          "present": true
        },
        {
          "factor": "ldl",
          "points": 8,
          "present": true,
          "value": 9
        },
        {
          "factor": "dna",
          "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.",
      "dna_points": 0,
      "family_points": 0,
      "formula": "dutch_fh",
      "formula_expression": "DLCN (Nordestgaard 2013 Table 1) = family + clinical + physical + ldl + dna (per group only the highest); family: first_degree_xanthoma_or_arcus or child_ldl_gt_95th -> 2 else first_degree_premature_chd or first_degree_ldl_gt_95th -> 1; clinical: premature_chd -> 2 else premature_cerebral_or_pvd -> 1; physical: tendon_xanthoma -> 6 else corneal_arcus_age_lt_45 -> 4; ldl mmol/L: >8.5 -> 8, 6.5-8.4 -> 5, 5.0-6.4 -> 3, 4.0-4.9 -> 1; dna causative_mutation_ldlr_apob_pcsk9 -> 8; max 26; definite >8, probable 6-8, possible 3-5, unlikely 0-2",
      "ldl_mmol_l": 9,
      "ldl_points": 8,
      "max_score": 26,
      "physical_points": 6,
      "score": 14
    },
    {
      "citation": {
        "authors": "Nordestgaard BG, Chapman MJ, Humphries SE, et al.",
        "doi": "10.1093/eurheartj/eht273",
        "id": "nordestgaard-2013",
        "pmid": "23956253",
        "source": "Eur Heart J. 2013;34(45):3478-3490",
        "title": "Familial hypercholesterolaemia is underdiagnosed and undertreated in the general population: guidance for clinicians to prevent coronary heart disease: consensus statement of the European Atherosclerosis Society"
      },
      "classification": "definite",
      "clinical_points": 0,
      "components": [
        {
          "factor": "family",
          "points": 0,
          "present": false
        },
        {
          "factor": "clinical",
          "points": 0,
          "present": false
        },
        {
          "factor": "physical",
          "points": 6,
          "present": true
        },
        {
          "factor": "ldl",
          "points": 8,
          "present": true,
          "value": 9
        },
        {
          "factor": "dna",
          "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.",
      "dna_points": 0,
      "family_points": 0,
      "formula": "dutch_fh",
      "formula_expression": "DLCN (Nordestgaard 2013 Table 1) = family + clinical + physical + ldl + dna (per group only the highest); family: first_degree_xanthoma_or_arcus or child_ldl_gt_95th -> 2 else first_degree_premature_chd or first_degree_ldl_gt_95th -> 1; clinical: premature_chd -> 2 else premature_cerebral_or_pvd -> 1; physical: tendon_xanthoma -> 6 else corneal_arcus_age_lt_45 -> 4; ldl mmol/L: >8.5 -> 8, 6.5-8.4 -> 5, 5.0-6.4 -> 3, 4.0-4.9 -> 1; dna causative_mutation_ldlr_apob_pcsk9 -> 8; max 26; definite >8, probable 6-8, possible 3-5, unlikely 0-2",
      "ldl_mmol_l": 9,
      "ldl_points": 8,
      "max_score": 26,
      "physical_points": 6,
      "score": 14
    }
  ],
  "path": "/api/calc/dutch_fh"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.

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/dutch_fh' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"causative_mutation_ldlr_apob_pcsk9":false,"child_ldl_gt_95th":false,"corneal_arcus_age_lt_45":false,"first_degree_ldl_gt_95th":false,"first_degree_premature_chd":false,"first_degree_xanthoma_or_arcus":false,"ldl_mg_dl":348,"ldl_mmol_l":9,"premature_cerebral_or_pvd":false,"premature_chd":false,"tendon_xanthoma":true},{"causative_mutation_ldlr_apob_pcsk9":false,"child_ldl_gt_95th":false,"corneal_arcus_age_lt_45":false,"first_degree_ldl_gt_95th":false,"first_degree_premature_chd":false,"first_degree_xanthoma_or_arcus":false,"ldl_mg_dl":348,"ldl_mmol_l":9,"premature_cerebral_or_pvd":false,"premature_chd":false,"tendon_xanthoma":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/dutch_fh' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"causative_mutation_ldlr_apob_pcsk9":false,"child_ldl_gt_95th":false,"corneal_arcus_age_lt_45":false,"first_degree_ldl_gt_95th":false,"first_degree_premature_chd":false,"first_degree_xanthoma_or_arcus":false,"ldl_mg_dl":348,"ldl_mmol_l":9,"premature_cerebral_or_pvd":false,"premature_chd":false,"tendon_xanthoma":true},{"causative_mutation_ldlr_apob_pcsk9":false,"child_ldl_gt_95th":false,"corneal_arcus_age_lt_45":false,"first_degree_ldl_gt_95th":false,"first_degree_premature_chd":false,"first_degree_xanthoma_or_arcus":false,"ldl_mg_dl":348,"ldl_mmol_l":9,"premature_cerebral_or_pvd":false,"premature_chd":false,"tendon_xanthoma":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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fdutch_fh&method=POST
const res = await pay("https://api.magentlab.com/api/calc/dutch_fh", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "causative_mutation_ldlr_apob_pcsk9": false,
        "child_ldl_gt_95th": false,
        "corneal_arcus_age_lt_45": false,
        "first_degree_ldl_gt_95th": false,
        "first_degree_premature_chd": false,
        "first_degree_xanthoma_or_arcus": false,
        "ldl_mg_dl": 348,
        "ldl_mmol_l": 9,
        "premature_cerebral_or_pvd": false,
        "premature_chd": false,
        "tendon_xanthoma": true
      },
      {
        "causative_mutation_ldlr_apob_pcsk9": false,
        "child_ldl_gt_95th": false,
        "corneal_arcus_age_lt_45": false,
        "first_degree_ldl_gt_95th": false,
        "first_degree_premature_chd": false,
        "first_degree_xanthoma_or_arcus": false,
        "ldl_mg_dl": 348,
        "ldl_mmol_l": 9,
        "premature_cerebral_or_pvd": false,
        "premature_chd": false,
        "tendon_xanthoma": 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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
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/dutch_fh",
        json={
            "items": [
                {
                    "causative_mutation_ldlr_apob_pcsk9": False,
                    "child_ldl_gt_95th": False,
                    "corneal_arcus_age_lt_45": False,
                    "first_degree_ldl_gt_95th": False,
                    "first_degree_premature_chd": False,
                    "first_degree_xanthoma_or_arcus": False,
                    "ldl_mg_dl": 348,
                    "ldl_mmol_l": 9,
                    "premature_cerebral_or_pvd": False,
                    "premature_chd": False,
                    "tendon_xanthoma": True,
                },
                {
                    "causative_mutation_ldlr_apob_pcsk9": False,
                    "child_ldl_gt_95th": False,
                    "corneal_arcus_age_lt_45": False,
                    "first_degree_ldl_gt_95th": False,
                    "first_degree_premature_chd": False,
                    "first_degree_xanthoma_or_arcus": False,
                    "ldl_mg_dl": 348,
                    "ldl_mmol_l": 9,
                    "premature_cerebral_or_pvd": False,
                    "premature_chd": False,
                    "tendon_xanthoma": True,
                },
            ],
        },
    )
    print(res.status_code, res.text)

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