ToolVet
68trust / 100

Calc Rcvs2

by magent in Other

x402 APIFailing, checked 3 h ago

Rocha 2019 RCVS2 score from five caller-assigned items: recurrent or single thunderclap headache (+5), intracranial ICA involvement (-2), vasoconstrictive trigger (+3), female sex (+1), subarachnoid hemorrhage (+1). Range -2 to 10. Score >=5 supports RCVS; <=2 against; 3-4 equivocal. magent does not read angiograms. Not a diagnosis and not PACNS treatment advice. Not a medical device.

POST
https://api.magentlab.com/api/calc/rcvs2
Price
$0.007
per call in USDC
Uptime
94.3%
last 30 days
Response time
185 ms
455 ms slowest 5%
Last check
Failed
3 h ago, next any minute now

Run a free test callHow 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/rcvs2

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/rcvs2
content-type: application/json

{
  "items": [
    {
      "intracranial_ica_involvement": false,
      "sah": false,
      "sex": "male",
      "thunderclap_headache": false,
      "vasoconstrictive_trigger": false
    },
    {
      "intracranial_ica_involvement": false,
      "sah": false,
      "sex": "male",
      "thunderclap_headache": false,
      "vasoconstrictive_trigger": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 94 lines
{
  "count": 2,
  "items": [
    {
      "band": "against",
      "citation": {
        "authors": "Rocha EA, Topcuoglu MA, Silva GS, Singhal AB",
        "doi": "10.1212/WNL.0000000000006917",
        "id": "rocha-2019",
        "pmid": "30635475",
        "source": "Neurology. 2019;92(7):e639-e647",
        "title": "RCVS2 score and diagnostic approach for reversible cerebral vasoconstriction syndrome"
      },
      "components": [
        {
          "factor": "thunderclap_headache",
          "points": 0,
          "present": false
        },
        {
          "factor": "intracranial_ica_involvement",
          "points": 0,
          "present": false
        },
        {
          "factor": "vasoconstrictive_trigger",
          "points": 0,
          "present": false
        },
        {
          "factor": "sex",
          "points": 0,
          "present": false,
          "value": "male"
        },
        {
          "factor": "sah",
          "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": "rcvs2",
      "formula_expression": "RCVS2 = thunderclap_headache (5 if recurrent or single) + intracranial_ica_involvement (-2) + vasoconstrictive_trigger (3) + female (1) + sah (1); Rocha 2019; range -2 to 10; >=5 supports RCVS, <=2 against, 3-4 equivocal",
      "max_score": 10,
      "score": 0
    },
    {
      "band": "against",
      "citation": {
        "authors": "Rocha EA, Topcuoglu MA, Silva GS, Singhal AB",
        "doi": "10.1212/WNL.0000000000006917",
        "id": "rocha-2019",
        "pmid": "30635475",
        "source": "Neurology. 2019;92(7):e639-e647",
        "title": "RCVS2 score and diagnostic approach for reversible cerebral vasoconstriction syndrome"
      },
      "components": [
        {
          "factor": "thunderclap_headache",
          "points": 0,
          "present": false
        },
        {
          "factor": "intracranial_ica_involvement",
          "points": 0,
          "present": false
        },
        {
          "factor": "vasoconstrictive_trigger",
          "points": 0,
          "present": false
        },
        {
          "factor": "sex",
          "points": 0,
          "present": false,
          "value": "male"
        },
        {
          "factor": "sah",
          "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": "rcvs2",
      "formula_expression": "RCVS2 = thunderclap_headache (5 if recurrent or single) + intracranial_ica_involvement (-2) + vasoconstrictive_trigger (3) + female (1) + sah (1); Rocha 2019; range -2 to 10; >=5 supports RCVS, <=2 against, 3-4 equivocal",
      "max_score": 10,
      "score": 0
    }
  ],
  "path": "/api/calc/rcvs2"
}

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/rcvs2' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"intracranial_ica_involvement":false,"sah":false,"sex":"male","thunderclap_headache":false,"vasoconstrictive_trigger":false},{"intracranial_ica_involvement":false,"sah":false,"sex":"male","thunderclap_headache":false,"vasoconstrictive_trigger":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/rcvs2' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"intracranial_ica_involvement":false,"sah":false,"sex":"male","thunderclap_headache":false,"vasoconstrictive_trigger":false},{"intracranial_ica_involvement":false,"sah":false,"sex":"male","thunderclap_headache":false,"vasoconstrictive_trigger":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%2Frcvs2&method=POST
const res = await pay("https://api.magentlab.com/api/calc/rcvs2", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "intracranial_ica_involvement": false,
        "sah": false,
        "sex": "male",
        "thunderclap_headache": false,
        "vasoconstrictive_trigger": false
      },
      {
        "intracranial_ica_involvement": false,
        "sah": false,
        "sex": "male",
        "thunderclap_headache": false,
        "vasoconstrictive_trigger": 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/rcvs2",
        json={
            "items": [
                {
                    "intracranial_ica_involvement": False,
                    "sah": False,
                    "sex": "male",
                    "thunderclap_headache": False,
                    "vasoconstrictive_trigger": False,
                },
                {
                    "intracranial_ica_involvement": False,
                    "sah": False,
                    "sex": "male",
                    "thunderclap_headache": False,
                    "vasoconstrictive_trigger": 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

WhenResultHTTPTimePrice
3 h agoTimed out---
8 h agoTimed out---
13 h agoPassed402594 ms$0.007
17 h agoPassed402229 ms$0.007
22 h agoPassed402212 ms$0.007
Show 10 older checks
27 h agoPassed402375 ms$0.007
31 h agoPassed402279 ms$0.007
36 h agoPassed402370 ms$0.007
40 h agoPassed402389 ms$0.007
44 h agoPassed402182 ms$0.007
2 days agoPassed402235 ms$0.007
2 days agoPassed402141 ms$0.007
2 days agoPassed402296 ms$0.007
3 days agoPassed402214 ms$0.007
3 days agoPassed402153 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007