Calc Acc Aha Hf

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Yancy CW, Jessup M, Bozkurt B, Butler J, Casey DE Jr, Drazner MH, Fonarow GC, Geraci SA, Horwich T, Januzzi JL, Johnson MR, Kasper EK, Levy WC, Masoudi FA, McBride PE, McMurray JJV, Mitchell JE, Peterson PN, Riegel B, Sam F, Stevenson LW, Tang WHW, Tsai EJ, Wilkoff BL",
        "doi": "10.1161/CIR.0b013e31829e8776",
        "id": "yancy-2013",
        "pmid": "23741058",
        "source": "Circulation. 2013;128(16):e240-e327",
        "title": "2013 ACCF/AHA guideline for the management of heart failure: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines"
      },
      "components": [
        {
          "factor": "high_risk_for_hf",
          "met": false
        },
        {
          "factor": "structural_heart_disease",
          "met": false
        },
        {
          "factor": "hf_symptoms_prior_or_current",
          "met": false
        },
        {
          "factor": "refractory_hf_specialized",
          "met": 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": "acc_aha_hf",
      "formula_expression": "hf_stage D if refractory_hf_specialized; else C if structural_heart_disease and hf_symptoms_prior_or_current; else B if structural_heart_disease and not hf_symptoms_prior_or_current; else A if high_risk_for_hf and not structural_heart_disease and not hf_symptoms_prior_or_current; else not_staged (Yancy 2013 ACCF/AHA stages, progressive/inviolate). Not NYHA class",
      "hf_stage": "not_staged",
      "hf_symptoms_prior_or_current": false,
      "high_risk_for_hf": false,
      "refractory_hf_specialized": false,
      "structural_heart_disease": false
    },
    {
      "citation": {
        "authors": "Yancy CW, Jessup M, Bozkurt B, Butler J, Casey DE Jr, Drazner MH, Fonarow GC, Geraci SA, Horwich T, Januzzi JL, Johnson MR, Kasper EK, Levy WC, Masoudi FA, McBride PE, McMurray JJV, Mitchell JE, Peterson PN, Riegel B, Sam F, Stevenson LW, Tang WHW, Tsai EJ, Wilkoff BL",
        "doi": "10.1161/CIR.0b013e31829e8776",
        "id": "yancy-2013",
        "pmid": "23741058",
        "source": "Circulation. 2013;128(16):e240-e327",
        "title": "2013 ACCF/AHA guideline for the management of heart failure: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines"
      },
      "components": [
        {
          "factor": "high_risk_for_hf",
          "met": false
        },
        {
          "factor": "structural_heart_disease",
          "met": false
        },
        {
          "factor": "hf_symptoms_prior_or_current",
          "met": false
        },
        {
          "factor": "refractory_hf_specialized",
          "met": 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": "acc_aha_hf",
      "formula_expression": "hf_stage D if refractory_hf_specialized; else C if structural_heart_disease and hf_symptoms_prior_or_current; else B if structural_heart_disease and not hf_symptoms_prior_or_current; else A if high_risk_for_hf and not structural_heart_disease and not hf_symptoms_prior_or_current; else not_staged (Yancy 2013 ACCF/AHA stages, progressive/inviolate). Not NYHA class",
      "hf_stage": "not_staged",
      "hf_symptoms_prior_or_current": false,
      "high_risk_for_hf": false,
      "refractory_hf_specialized": false,
      "structural_heart_disease": false
    }
  ],
  "path": "/api/calc/acc_aha_hf"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/acc_aha_hf' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"hf_symptoms_prior_or_current":false,"high_risk_for_hf":false,"refractory_hf_specialized":false,"structural_heart_disease":false},{"hf_symptoms_prior_or_current":false,"high_risk_for_hf":false,"refractory_hf_specialized":false,"structural_heart_disease":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/acc_aha_hf' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"hf_symptoms_prior_or_current":false,"high_risk_for_hf":false,"refractory_hf_specialized":false,"structural_heart_disease":false},{"hf_symptoms_prior_or_current":false,"high_risk_for_hf":false,"refractory_hf_specialized":false,"structural_heart_disease":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%2Facc_aha_hf&method=POST
const res = await pay("https://api.magentlab.com/api/calc/acc_aha_hf", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "hf_symptoms_prior_or_current": false,
        "high_risk_for_hf": false,
        "refractory_hf_specialized": false,
        "structural_heart_disease": false
      },
      {
        "hf_symptoms_prior_or_current": false,
        "high_risk_for_hf": false,
        "refractory_hf_specialized": false,
        "structural_heart_disease": 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/acc_aha_hf",
        json={
            "items": [
                {
                    "hf_symptoms_prior_or_current": False,
                    "high_risk_for_hf": False,
                    "refractory_hf_specialized": False,
                    "structural_heart_disease": False,
                },
                {
                    "hf_symptoms_prior_or_current": False,
                    "high_risk_for_hf": False,
                    "refractory_hf_specialized": False,
                    "structural_heart_disease": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)