67trust / 100

Calc 2helps2b

x402 APIFailing, checked 3 h ago

Struck 2017 2HELPS2B: BIRDs 2 points; LPD or LRDA or BIPD, prior seizure, sporadic epileptiform discharges, frequency >2.0 Hz, and plus features 1 point each. Max 7. Published probable seizure risk: 0→5%, 1→12%, 2→27%, 3→50%, 4→73%, 5→88%, 6–7→>95%. Not a seizure diagnosis or monitoring-duration protocol. magent does not read EEG.

POST

https://api.magentlab.com/api/calc/2helps2b

Price: $0.007; per call in USDC
Uptime: 89.2%; last 30 days
Response time: 245 ms; 576 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/2helps2b

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/2helps2b
content-type: application/json

{
  "items": [
    {
      "birds": false,
      "frequency_gt_2hz": false,
      "lpd_lrda_bipd": false,
      "plus_features": false,
      "prior_seizure": false,
      "sporadic_epileptiform": false
    },
    {
      "birds": false,
      "frequency_gt_2hz": false,
      "lpd_lrda_bipd": false,
      "plus_features": false,
      "prior_seizure": false,
      "sporadic_epileptiform": false
    }
  ]
}

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, 102 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Struck AF, Ustun B, Rodriguez Ruiz AA, Lee JW, LaRoche SM, Hirsch LJ, Gilmore EJ, Vlachy J, Haider HA, Rudin C, Westover MB",
        "doi": "10.1001/jamaneurol.2017.2459",
        "id": "struck-2017",
        "pmid": "29052706",
        "source": "JAMA Neurol. 2017;74(12):1419-1424",
        "title": "Association of an electroencephalography-based risk score with seizure probability in hospitalized patients"
      },
      "components": [
        {
          "factor": "birds",
          "points": 0,
          "present": false
        },
        {
          "factor": "lpd_lrda_bipd",
          "points": 0,
          "present": false
        },
        {
          "factor": "prior_seizure",
          "points": 0,
          "present": false
        },
        {
          "factor": "sporadic_epileptiform",
          "points": 0,
          "present": false
        },
        {
          "factor": "frequency_gt_2hz",
          "points": 0,
          "present": false
        },
        {
          "factor": "plus_features",
          "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": "2helps2b",
      "formula_expression": "2HELPS2B = birds (true 2) + lpd_lrda_bipd (true 1) + prior_seizure (true 1) + sporadic_epileptiform (true 1) + frequency_gt_2hz (true 1) + plus_features (true 1); Struck 2017; max 7; 0→5%, 1→12%, 2→27%, 3→50%, 4→73%, 5→88%, 6-7→>95%",
      "max_score": 7,
      "score": 0,
      "seizure_risk": "5%"
    },
    {
      "citation": {
        "authors": "Struck AF, Ustun B, Rodriguez Ruiz AA, Lee JW, LaRoche SM, Hirsch LJ, Gilmore EJ, Vlachy J, Haider HA, Rudin C, Westover MB",
        "doi": "10.1001/jamaneurol.2017.2459",
        "id": "struck-2017",
        "pmid": "29052706",
        "source": "JAMA Neurol. 2017;74(12):1419-1424",
        "title": "Association of an electroencephalography-based risk score with seizure probability in hospitalized patients"
      },
      "components": [
        {
          "factor": "birds",
          "points": 0,
          "present": false
        },
        {
          "factor": "lpd_lrda_bipd",
          "points": 0,
          "present": false
        },
        {
          "factor": "prior_seizure",
          "points": 0,
          "present": false
        },
        {
          "factor": "sporadic_epileptiform",
          "points": 0,
          "present": false
        },
        {
          "factor": "frequency_gt_2hz",
          "points": 0,
          "present": false
        },
        {
          "factor": "plus_features",
          "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": "2helps2b",
      "formula_expression": "2HELPS2B = birds (true 2) + lpd_lrda_bipd (true 1) + prior_seizure (true 1) + sporadic_epileptiform (true 1) + frequency_gt_2hz (true 1) + plus_features (true 1); Struck 2017; max 7; 0→5%, 1→12%, 2→27%, 3→50%, 4→73%, 5→88%, 6-7→>95%",
      "max_score": 7,
      "score": 0,
      "seizure_risk": "5%"
    }
  ],
  "path": "/api/calc/2helps2b"
}

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/2helps2b' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"birds":false,"frequency_gt_2hz":false,"lpd_lrda_bipd":false,"plus_features":false,"prior_seizure":false,"sporadic_epileptiform":false},{"birds":false,"frequency_gt_2hz":false,"lpd_lrda_bipd":false,"plus_features":false,"prior_seizure":false,"sporadic_epileptiform":false}]}'

# 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/2helps2b' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"birds":false,"frequency_gt_2hz":false,"lpd_lrda_bipd":false,"plus_features":false,"prior_seizure":false,"sporadic_epileptiform":false},{"birds":false,"frequency_gt_2hz":false,"lpd_lrda_bipd":false,"plus_features":false,"prior_seizure":false,"sporadic_epileptiform":false}]}' \
  | 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%2F2helps2b&method=POST
const res = await pay("https://api.magentlab.com/api/calc/2helps2b", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "birds": false,
        "frequency_gt_2hz": false,
        "lpd_lrda_bipd": false,
        "plus_features": false,
        "prior_seizure": false,
        "sporadic_epileptiform": false
      },
      {
        "birds": false,
        "frequency_gt_2hz": false,
        "lpd_lrda_bipd": false,
        "plus_features": false,
        "prior_seizure": false,
        "sporadic_epileptiform": false
      }
    ]
  }),
});
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/2helps2b",
        json={
            "items": [
                {
                    "birds": False,
                    "frequency_gt_2hz": False,
                    "lpd_lrda_bipd": False,
                    "plus_features": False,
                    "prior_seizure": False,
                    "sporadic_epileptiform": False,
                },
                {
                    "birds": False,
                    "frequency_gt_2hz": False,
                    "lpd_lrda_bipd": False,
                    "plus_features": False,
                    "prior_seizure": False,
                    "sporadic_epileptiform": False,
                },
            ],
        },
    )
    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	-	-	-
9 h ago	Timed out	-	-	-
14 h ago	Timed out	-	-	-
19 h ago	Timed out	-	-	-
23 h ago	Passed	402	171 ms	$0.007

Show 10 older checks

28 h ago	Passed	402	217 ms	$0.007
33 h ago	Passed	402	139 ms	$0.007
38 h ago	Passed	402	142 ms	$0.007
42 h ago	Passed	402	245 ms	$0.007
46 h ago	Passed	402	241 ms	$0.007
2 days ago	Passed	402	167 ms	$0.007
2 days ago	Passed	402	155 ms	$0.007
2 days ago	Passed	402	152 ms	$0.007
3 days ago	Passed	402	153 ms	$0.007
3 days ago	Passed	402	144 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: 4 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-2helps2b.svg)](https://toolvet.app/s/calc-2helps2b)