68trust / 100

Calc Hscore

by magent in Other

x402 APIFailing, checked 3 h ago

Fardet 2014 HScore (Table 4; max 337) from nine caller-assigned items: immunosuppression 18, temperature 0/33/49, organomegaly 0/23/38, cytopenia lineages 0/24/34 (1/2/3), ferritin 0/35/50, triglycerides 0/44/64, fibrinogen 0/30, SGOT 0/19, marrow hemophagocytosis 35. Best cutoff 169. magent does not take raw labs; all nine required. Not HLH-2004. Not a diagnosis. Not a medical device.

POST

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

Price: $0.007; per call in USDC
Uptime: 94.1%; last 30 days
Response time: 159 ms; 324 ms slowest 5%
Last check: Failed; 3 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 3 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/hscore

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/hscore
content-type: application/json

{
  "items": [
    {
      "cytopenia_lineages": 1,
      "ferritin_band": "lt_2000",
      "fibrinogen_band": "gt_2_5",
      "immunosuppression": false,
      "marrow_hemophagocytosis": false,
      "organomegaly": "none",
      "sgot_band": "lt_30",
      "temperature_band": "lt_38_4",
      "triglyceride_band": "lt_1_5"
    },
    {
      "cytopenia_lineages": 1,
      "ferritin_band": "lt_2000",
      "fibrinogen_band": "gt_2_5",
      "immunosuppression": false,
      "marrow_hemophagocytosis": false,
      "organomegaly": "none",
      "sgot_band": "lt_30",
      "temperature_band": "lt_38_4",
      "triglyceride_band": "lt_1_5"
    }
  ]
}

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, 146 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Fardet L, Galicier L, Lambotte O, Marzac C, Aumont C, Chahwan D, Coppo P, Hejblum G",
        "doi": "10.1002/art.38690",
        "id": "fardet-2014",
        "pmid": "24782338",
        "source": "Arthritis Rheumatol. 2014;66(9):2613-2620",
        "title": "Development and validation of the HScore, a score for the diagnosis of reactive hemophagocytic syndrome"
      },
      "components": [
        {
          "factor": "immunosuppression",
          "points": 0,
          "present": false
        },
        {
          "factor": "temperature_band",
          "points": 0,
          "present": false,
          "value": "lt_38_4"
        },
        {
          "factor": "organomegaly",
          "points": 0,
          "present": false,
          "value": "none"
        },
        {
          "factor": "cytopenia_lineages",
          "points": 0,
          "present": false,
          "value": 1
        },
        {
          "factor": "ferritin_band",
          "points": 0,
          "present": false,
          "value": "lt_2000"
        },
        {
          "factor": "triglyceride_band",
          "points": 0,
          "present": false,
          "value": "lt_1_5"
        },
        {
          "factor": "fibrinogen_band",
          "points": 0,
          "present": false,
          "value": "gt_2_5"
        },
        {
          "factor": "sgot_band",
          "points": 0,
          "present": false,
          "value": "lt_30"
        },
        {
          "factor": "marrow_hemophagocytosis",
          "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": "hscore",
      "formula_expression": "HScore = immunosuppression (true 18) + temperature_band (lt_38_4 0, 38_4_to_39_4 33, gt_39_4 49) + organomegaly (none 0, hepato_or_spleno 23, hepato_and_spleno 38) + cytopenia_lineages (1 → 0, 2 → 24, 3 → 34) + ferritin_band (lt_2000 0, 2000_to_6000 35, gt_6000 50) + triglyceride_band (lt_1_5 0, 1_5_to_4 44, gt_4 64) + fibrinogen_band (gt_2_5 0, le_2_5 30) + sgot_band (lt_30 0, ge_30 19) + marrow_hemophagocytosis (true 35); Fardet 2014 Table 4; max 337; score_ge_169 iff total >= 169 (Table 5 best cutoff)",
      "max_score": 337,
      "score": 0,
      "score_ge_169": false
    },
    {
      "citation": {
        "authors": "Fardet L, Galicier L, Lambotte O, Marzac C, Aumont C, Chahwan D, Coppo P, Hejblum G",
        "doi": "10.1002/art.38690",
        "id": "fardet-2014",
        "pmid": "24782338",
        "source": "Arthritis Rheumatol. 2014;66(9):2613-2620",
        "title": "Development and validation of the HScore, a score for the diagnosis of reactive hemophagocytic syndrome"
      },
      "components": [
        {
          "factor": "immunosuppression",
          "points": 0,
          "present": false
        },
        {
          "factor": "temperature_band",
          "points": 0,
          "present": false,
          "value": "lt_38_4"
        },
        {
          "factor": "organomegaly",
          "points": 0,
          "present": false,
          "value": "none"
        },
        {
          "factor": "cytopenia_lineages",
          "points": 0,
          "present": false,
          "value": 1
        },
        {
          "factor": "ferritin_band",
          "points": 0,
          "present": false,
          "value": "lt_2000"
        },
        {
          "factor": "triglyceride_band",
          "points": 0,
          "present": false,
          "value": "lt_1_5"
        },
        {
          "factor": "fibrinogen_band",
          "points": 0,
          "present": false,
          "value": "gt_2_5"
        },
        {
          "factor": "sgot_band",
          "points": 0,
          "present": false,
          "value": "lt_30"
        },
        {
          "factor": "marrow_hemophagocytosis",
          "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": "hscore",
      "formula_expression": "HScore = immunosuppression (true 18) + temperature_band (lt_38_4 0, 38_4_to_39_4 33, gt_39_4 49) + organomegaly (none 0, hepato_or_spleno 23, hepato_and_spleno 38) + cytopenia_lineages (1 → 0, 2 → 24, 3 → 34) + ferritin_band (lt_2000 0, 2000_to_6000 35, gt_6000 50) + triglyceride_band (lt_1_5 0, 1_5_to_4 44, gt_4 64) + fibrinogen_band (gt_2_5 0, le_2_5 30) + sgot_band (lt_30 0, ge_30 19) + marrow_hemophagocytosis (true 35); Fardet 2014 Table 4; max 337; score_ge_169 iff total >= 169 (Table 5 best cutoff)",
      "max_score": 337,
      "score": 0,
      "score_ge_169": false
    }
  ],
  "path": "/api/calc/hscore"
}

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/hscore' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"cytopenia_lineages":1,"ferritin_band":"lt_2000","fibrinogen_band":"gt_2_5","immunosuppression":false,"marrow_hemophagocytosis":false,"organomegaly":"none","sgot_band":"lt_30","temperature_band":"lt_38_4","triglyceride_band":"lt_1_5"},{"cytopenia_lineages":1,"ferritin_band":"lt_2000","fibrinogen_band":"gt_2_5","immunosuppression":false,"marrow_hemophagocytosis":false,"organomegaly":"none","sgot_band":"lt_30","temperature_band":"lt_38_4","triglyceride_band":"lt_1_5"}]}'

# 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/hscore' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"cytopenia_lineages":1,"ferritin_band":"lt_2000","fibrinogen_band":"gt_2_5","immunosuppression":false,"marrow_hemophagocytosis":false,"organomegaly":"none","sgot_band":"lt_30","temperature_band":"lt_38_4","triglyceride_band":"lt_1_5"},{"cytopenia_lineages":1,"ferritin_band":"lt_2000","fibrinogen_band":"gt_2_5","immunosuppression":false,"marrow_hemophagocytosis":false,"organomegaly":"none","sgot_band":"lt_30","temperature_band":"lt_38_4","triglyceride_band":"lt_1_5"}]}' \
  | 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%2Fhscore&method=POST
const res = await pay("https://api.magentlab.com/api/calc/hscore", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "cytopenia_lineages": 1,
        "ferritin_band": "lt_2000",
        "fibrinogen_band": "gt_2_5",
        "immunosuppression": false,
        "marrow_hemophagocytosis": false,
        "organomegaly": "none",
        "sgot_band": "lt_30",
        "temperature_band": "lt_38_4",
        "triglyceride_band": "lt_1_5"
      },
      {
        "cytopenia_lineages": 1,
        "ferritin_band": "lt_2000",
        "fibrinogen_band": "gt_2_5",
        "immunosuppression": false,
        "marrow_hemophagocytosis": false,
        "organomegaly": "none",
        "sgot_band": "lt_30",
        "temperature_band": "lt_38_4",
        "triglyceride_band": "lt_1_5"
      }
    ]
  }),
});
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/hscore",
        json={
            "items": [
                {
                    "cytopenia_lineages": 1,
                    "ferritin_band": "lt_2000",
                    "fibrinogen_band": "gt_2_5",
                    "immunosuppression": False,
                    "marrow_hemophagocytosis": False,
                    "organomegaly": "none",
                    "sgot_band": "lt_30",
                    "temperature_band": "lt_38_4",
                    "triglyceride_band": "lt_1_5",
                },
                {
                    "cytopenia_lineages": 1,
                    "ferritin_band": "lt_2000",
                    "fibrinogen_band": "gt_2_5",
                    "immunosuppression": False,
                    "marrow_hemophagocytosis": False,
                    "organomegaly": "none",
                    "sgot_band": "lt_30",
                    "temperature_band": "lt_38_4",
                    "triglyceride_band": "lt_1_5",
                },
            ],
        },
    )
    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
3 h ago	Timed out	-	-	-
8 h ago	Timed out	-	-	-
13 h ago	Passed	402	149 ms	$0.007
17 h ago	Passed	402	176 ms	$0.007
22 h ago	Passed	402	230 ms	$0.007

Show 10 older checks

27 h ago	Passed	402	167 ms	$0.007
31 h ago	Passed	402	145 ms	$0.007
36 h ago	Passed	402	175 ms	$0.007
40 h ago	Passed	402	155 ms	$0.007
44 h ago	Passed	402	168 ms	$0.007
2 days ago	Passed	402	156 ms	$0.007
2 days ago	Passed	402	148 ms	$0.007
2 days ago	Passed	402	321 ms	$0.007
3 days ago	Passed	402	529 ms	$0.007
3 days ago	Passed	402	149 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: 4 in 30 days
Last paid call: 5 days ago

Source: x402 Bazaar settlement data.

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Trust score

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