68trust / 100

Calc Regiscar

by magent in Other

x402 APIFailing, checked 3 h ago

Kardaun 2007 RegiSCAR DRESS scoring letter from ten caller-assigned items (sum -4 to 9). Bands: <2 none, 2-3 possible, 4-5 probable, >=6 definite. Not a DRESS diagnosis, not SCORTEN, not J-SCAR. magent does not count eosinophils or read a biopsy. Biopsy unknown is not offered. Not a medical device.

POST

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

Price: $0.007; per call in USDC
Uptime: 94.3%; last 30 days
Response time: 163 ms; 510 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/regiscar

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/regiscar
content-type: application/json

{
  "items": [
    {
      "alternative_causes_excluded": false,
      "atypical_lymphocytes": false,
      "biopsy_compatible": true,
      "eosinophilia": "none",
      "fever_ge_38_5": true,
      "lymphadenopathy_ge_2_sites": false,
      "organs": 0,
      "rash_gt_50_bsa": false,
      "rash_suggestive": false,
      "resolution_ge_15_days": true
    },
    {
      "alternative_causes_excluded": false,
      "atypical_lymphocytes": false,
      "biopsy_compatible": true,
      "eosinophilia": "none",
      "fever_ge_38_5": true,
      "lymphadenopathy_ge_2_sites": false,
      "organs": 0,
      "rash_gt_50_bsa": false,
      "rash_suggestive": false,
      "resolution_ge_15_days": true
    }
  ]
}

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, 162 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Kardaun SH, Sidoroff A, Valeyrie-Allanore L, Halevy S, Davidovici BB, Mockenhaupt M, Roujeau JC",
        "doi": "10.1111/j.1365-2133.2006.07704.x",
        "id": "kardaun-2007",
        "pmid": "17300272",
        "source": "Br J Dermatol. 2007;156(3):609-611",
        "title": "Variability in the clinical pattern of cutaneous side-effects of drugs with systemic symptoms: does a DRESS syndrome really exist?"
      },
      "components": [
        {
          "factor": "fever_ge_38_5",
          "points": 0,
          "present": true,
          "value": true
        },
        {
          "factor": "lymphadenopathy_ge_2_sites",
          "points": 0,
          "present": true,
          "value": false
        },
        {
          "factor": "eosinophilia",
          "points": 0,
          "present": true,
          "value": "none"
        },
        {
          "factor": "atypical_lymphocytes",
          "points": 0,
          "present": true,
          "value": false
        },
        {
          "factor": "rash_gt_50_bsa",
          "points": 0,
          "present": true,
          "value": false
        },
        {
          "factor": "rash_suggestive",
          "points": -1,
          "present": true,
          "value": false
        },
        {
          "factor": "biopsy_compatible",
          "points": 0,
          "present": true,
          "value": true
        },
        {
          "factor": "organs",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "resolution_ge_15_days",
          "points": 0,
          "present": true,
          "value": true
        },
        {
          "factor": "alternative_causes_excluded",
          "points": 0,
          "present": true,
          "value": 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": "regiscar",
      "formula_expression": "RegiSCAR = fever_ge_38_5 (true 0, false −1) + lymphadenopathy_ge_2_sites (true 1, false 0) + eosinophilia (none 0, mild 1, severe 2) + atypical_lymphocytes (true 1, false 0) + rash_gt_50_bsa (true 1, false 0) + rash_suggestive (true 1, false −1) + biopsy_compatible (true 0, false −1) + organs (0/1/≥2 → 0/1/2) + resolution_ge_15_days (true 0, false −1) + alternative_causes_excluded (true 1, false 0); Kardaun 2007 scoring letter; sum −4 to 9; none <2, possible 2–3, probable 4–5, definite ≥6",
      "max_score": 9,
      "regiscar_band": "none",
      "score": -1
    },
    {
      "citation": {
        "authors": "Kardaun SH, Sidoroff A, Valeyrie-Allanore L, Halevy S, Davidovici BB, Mockenhaupt M, Roujeau JC",
        "doi": "10.1111/j.1365-2133.2006.07704.x",
        "id": "kardaun-2007",
        "pmid": "17300272",
        "source": "Br J Dermatol. 2007;156(3):609-611",
        "title": "Variability in the clinical pattern of cutaneous side-effects of drugs with systemic symptoms: does a DRESS syndrome really exist?"
      },
      "components": [
        {
          "factor": "fever_ge_38_5",
          "points": 0,
          "present": true,
          "value": true
        },
        {
          "factor": "lymphadenopathy_ge_2_sites",
          "points": 0,
          "present": true,
          "value": false
        },
        {
          "factor": "eosinophilia",
          "points": 0,
          "present": true,
          "value": "none"
        },
        {
          "factor": "atypical_lymphocytes",
          "points": 0,
          "present": true,
          "value": false
        },
        {
          "factor": "rash_gt_50_bsa",
          "points": 0,
          "present": true,
          "value": false
        },
        {
          "factor": "rash_suggestive",
          "points": -1,
          "present": true,
          "value": false
        },
        {
          "factor": "biopsy_compatible",
          "points": 0,
          "present": true,
          "value": true
        },
        {
          "factor": "organs",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "resolution_ge_15_days",
          "points": 0,
          "present": true,
          "value": true
        },
        {
          "factor": "alternative_causes_excluded",
          "points": 0,
          "present": true,
          "value": 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": "regiscar",
      "formula_expression": "RegiSCAR = fever_ge_38_5 (true 0, false −1) + lymphadenopathy_ge_2_sites (true 1, false 0) + eosinophilia (none 0, mild 1, severe 2) + atypical_lymphocytes (true 1, false 0) + rash_gt_50_bsa (true 1, false 0) + rash_suggestive (true 1, false −1) + biopsy_compatible (true 0, false −1) + organs (0/1/≥2 → 0/1/2) + resolution_ge_15_days (true 0, false −1) + alternative_causes_excluded (true 1, false 0); Kardaun 2007 scoring letter; sum −4 to 9; none <2, possible 2–3, probable 4–5, definite ≥6",
      "max_score": 9,
      "regiscar_band": "none",
      "score": -1
    }
  ],
  "path": "/api/calc/regiscar"
}

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/regiscar' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"alternative_causes_excluded":false,"atypical_lymphocytes":false,"biopsy_compatible":true,"eosinophilia":"none","fever_ge_38_5":true,"lymphadenopathy_ge_2_sites":false,"organs":0,"rash_gt_50_bsa":false,"rash_suggestive":false,"resolution_ge_15_days":true},{"alternative_causes_excluded":false,"atypical_lymphocytes":false,"biopsy_compatible":true,"eosinophilia":"none","fever_ge_38_5":true,"lymphadenopathy_ge_2_sites":false,"organs":0,"rash_gt_50_bsa":false,"rash_suggestive":false,"resolution_ge_15_days":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/regiscar' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"alternative_causes_excluded":false,"atypical_lymphocytes":false,"biopsy_compatible":true,"eosinophilia":"none","fever_ge_38_5":true,"lymphadenopathy_ge_2_sites":false,"organs":0,"rash_gt_50_bsa":false,"rash_suggestive":false,"resolution_ge_15_days":true},{"alternative_causes_excluded":false,"atypical_lymphocytes":false,"biopsy_compatible":true,"eosinophilia":"none","fever_ge_38_5":true,"lymphadenopathy_ge_2_sites":false,"organs":0,"rash_gt_50_bsa":false,"rash_suggestive":false,"resolution_ge_15_days":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%2Fregiscar&method=POST
const res = await pay("https://api.magentlab.com/api/calc/regiscar", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "alternative_causes_excluded": false,
        "atypical_lymphocytes": false,
        "biopsy_compatible": true,
        "eosinophilia": "none",
        "fever_ge_38_5": true,
        "lymphadenopathy_ge_2_sites": false,
        "organs": 0,
        "rash_gt_50_bsa": false,
        "rash_suggestive": false,
        "resolution_ge_15_days": true
      },
      {
        "alternative_causes_excluded": false,
        "atypical_lymphocytes": false,
        "biopsy_compatible": true,
        "eosinophilia": "none",
        "fever_ge_38_5": true,
        "lymphadenopathy_ge_2_sites": false,
        "organs": 0,
        "rash_gt_50_bsa": false,
        "rash_suggestive": false,
        "resolution_ge_15_days": 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/regiscar",
        json={
            "items": [
                {
                    "alternative_causes_excluded": False,
                    "atypical_lymphocytes": False,
                    "biopsy_compatible": True,
                    "eosinophilia": "none",
                    "fever_ge_38_5": True,
                    "lymphadenopathy_ge_2_sites": False,
                    "organs": 0,
                    "rash_gt_50_bsa": False,
                    "rash_suggestive": False,
                    "resolution_ge_15_days": True,
                },
                {
                    "alternative_causes_excluded": False,
                    "atypical_lymphocytes": False,
                    "biopsy_compatible": True,
                    "eosinophilia": "none",
                    "fever_ge_38_5": True,
                    "lymphadenopathy_ge_2_sites": False,
                    "organs": 0,
                    "rash_gt_50_bsa": False,
                    "rash_suggestive": False,
                    "resolution_ge_15_days": 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

When	Result	HTTP	Time	Price
3 h ago	Timed out	-	-	-
8 h ago	Passed	402	284 ms	$0.007
13 h ago	Passed	402	157 ms	$0.007
17 h ago	Timed out	-	-	-
22 h ago	Passed	402	291 ms	$0.007

Show 10 older checks

27 h ago	Passed	402	154 ms	$0.007
31 h ago	Passed	402	396 ms	$0.007
36 h ago	Passed	402	165 ms	$0.007
40 h ago	Passed	402	162 ms	$0.007
44 h ago	Passed	402	496 ms	$0.007
2 days ago	Passed	402	2.4 s	$0.007
2 days ago	Passed	402	162 ms	$0.007
2 days ago	Passed	402	161 ms	$0.007
3 days ago	Passed	402	163 ms	$0.007
3 days ago	Passed	402	175 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-regiscar.svg)](https://toolvet.app/s/calc-regiscar)