Calc Egsys

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Del Rosso A, Ungar A, Maggi R, Giada F, Petix NR, De Santo T, Menozzi C, Brignole M",
        "doi": "10.1136/hrt.2008.143123",
        "id": "del-rosso-2008",
        "pmid": "18519550",
        "source": "Heart. 2008;94(12):1620-1626",
        "title": "Clinical predictors of cardiac syncope at initial evaluation in patients referred urgently to a general hospital: the EGSYS score"
      },
      "components": [
        {
          "factor": "palpitations",
          "points": 0,
          "present": false
        },
        {
          "factor": "abnormal_ecg_or_heart_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "syncope_during_effort",
          "points": 0,
          "present": false
        },
        {
          "factor": "syncope_supine",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_autonomic_prodromes",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_precipitating_factors",
          "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": "egsys",
      "formula_expression": "EGSYS = 4*palpitations + 3*abnormal_ecg_or_heart_disease + 3*syncope_during_effort + 2*syncope_supine - 1*no_autonomic_prodromes - 1*no_precipitating_factors; range -2 to 12; score_ge_3 iff total >= 3 (Del Rosso 2008)",
      "max_score": 12,
      "score": 0,
      "score_ge_3": false
    },
    {
      "citation": {
        "authors": "Del Rosso A, Ungar A, Maggi R, Giada F, Petix NR, De Santo T, Menozzi C, Brignole M",
        "doi": "10.1136/hrt.2008.143123",
        "id": "del-rosso-2008",
        "pmid": "18519550",
        "source": "Heart. 2008;94(12):1620-1626",
        "title": "Clinical predictors of cardiac syncope at initial evaluation in patients referred urgently to a general hospital: the EGSYS score"
      },
      "components": [
        {
          "factor": "palpitations",
          "points": 0,
          "present": false
        },
        {
          "factor": "abnormal_ecg_or_heart_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "syncope_during_effort",
          "points": 0,
          "present": false
        },
        {
          "factor": "syncope_supine",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_autonomic_prodromes",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_precipitating_factors",
          "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": "egsys",
      "formula_expression": "EGSYS = 4*palpitations + 3*abnormal_ecg_or_heart_disease + 3*syncope_during_effort + 2*syncope_supine - 1*no_autonomic_prodromes - 1*no_precipitating_factors; range -2 to 12; score_ge_3 iff total >= 3 (Del Rosso 2008)",
      "max_score": 12,
      "score": 0,
      "score_ge_3": false
    }
  ],
  "path": "/api/calc/egsys"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/egsys' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_ecg_or_heart_disease":false,"no_autonomic_prodromes":false,"no_precipitating_factors":false,"palpitations":false,"syncope_during_effort":false,"syncope_supine":false},{"abnormal_ecg_or_heart_disease":false,"no_autonomic_prodromes":false,"no_precipitating_factors":false,"palpitations":false,"syncope_during_effort":false,"syncope_supine":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/egsys' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_ecg_or_heart_disease":false,"no_autonomic_prodromes":false,"no_precipitating_factors":false,"palpitations":false,"syncope_during_effort":false,"syncope_supine":false},{"abnormal_ecg_or_heart_disease":false,"no_autonomic_prodromes":false,"no_precipitating_factors":false,"palpitations":false,"syncope_during_effort":false,"syncope_supine":false}]}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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%2Fegsys&method=POST
const res = await pay("https://api.magentlab.com/api/calc/egsys", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "abnormal_ecg_or_heart_disease": false,
        "no_autonomic_prodromes": false,
        "no_precipitating_factors": false,
        "palpitations": false,
        "syncope_during_effort": false,
        "syncope_supine": false
      },
      {
        "abnormal_ecg_or_heart_disease": false,
        "no_autonomic_prodromes": false,
        "no_precipitating_factors": false,
        "palpitations": false,
        "syncope_during_effort": false,
        "syncope_supine": false
      }
    ]
  }),
});
console.log(res.status, await res.text());

# 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/egsys",
        json={
            "items": [
                {
                    "abnormal_ecg_or_heart_disease": False,
                    "no_autonomic_prodromes": False,
                    "no_precipitating_factors": False,
                    "palpitations": False,
                    "syncope_during_effort": False,
                    "syncope_supine": False,
                },
                {
                    "abnormal_ecg_or_heart_disease": False,
                    "no_autonomic_prodromes": False,
                    "no_precipitating_factors": False,
                    "palpitations": False,
                    "syncope_during_effort": False,
                    "syncope_supine": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)