Calc Gold Copd

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Vogelmeier CF, Criner GJ, Martinez FJ, Anzueto A, Barnes PJ, Bourbeau J, Celli BR, Chen R, Decramer M, Fabbri LM, Frith P, Halpin DMG, López Varela MV, Nishimura M, Roche N, Rodriguez-Roisin R, Sin DD, Singh D, Stockley R, Vestbo J, Wedzicha JA, Agustí A",
        "doi": "10.1183/13993003.00214-2017",
        "id": "vogelmeier-2017",
        "source": "Eur Respir J. 2017;49(3):1700214",
        "title": "Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Lung Disease 2017 Report. GOLD Executive Summary"
      },
      "components": [
        {
          "factor": "obstructed",
          "met": true,
          "value": 0.65
        },
        {
          "factor": "gold_1",
          "met": true,
          "value": 85
        },
        {
          "factor": "gold_2",
          "met": false,
          "value": 85
        },
        {
          "factor": "gold_3",
          "met": false,
          "value": 85
        },
        {
          "factor": "gold_4",
          "met": false,
          "value": 85
        }
      ],
      "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.",
      "fev1_fvc_ratio": 0.65,
      "fev1_percent_predicted": 85,
      "formula": "gold_copd",
      "formula_expression": "If post-bronchodilator FEV1/FVC >= 0.70 then gold_grade is not_obstructed (no GOLD 1-4). If FEV1/FVC < 0.70: GOLD 1 (mild) FEV1 >= 80% predicted; GOLD 2 (moderate) 50% <= FEV1 < 80%; GOLD 3 (severe) 30% <= FEV1 < 50%; GOLD 4 (very severe) FEV1 < 30% (Vogelmeier 2017 GOLD executive summary)",
      "gold_grade": "1",
      "obstructed": true
    },
    {
      "citation": {
        "authors": "Vogelmeier CF, Criner GJ, Martinez FJ, Anzueto A, Barnes PJ, Bourbeau J, Celli BR, Chen R, Decramer M, Fabbri LM, Frith P, Halpin DMG, López Varela MV, Nishimura M, Roche N, Rodriguez-Roisin R, Sin DD, Singh D, Stockley R, Vestbo J, Wedzicha JA, Agustí A",
        "doi": "10.1183/13993003.00214-2017",
        "id": "vogelmeier-2017",
        "source": "Eur Respir J. 2017;49(3):1700214",
        "title": "Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Lung Disease 2017 Report. GOLD Executive Summary"
      },
      "components": [
        {
          "factor": "obstructed",
          "met": true,
          "value": 0.65
        },
        {
          "factor": "gold_1",
          "met": true,
          "value": 85
        },
        {
          "factor": "gold_2",
          "met": false,
          "value": 85
        },
        {
          "factor": "gold_3",
          "met": false,
          "value": 85
        },
        {
          "factor": "gold_4",
          "met": false,
          "value": 85
        }
      ],
      "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.",
      "fev1_fvc_ratio": 0.65,
      "fev1_percent_predicted": 85,
      "formula": "gold_copd",
      "formula_expression": "If post-bronchodilator FEV1/FVC >= 0.70 then gold_grade is not_obstructed (no GOLD 1-4). If FEV1/FVC < 0.70: GOLD 1 (mild) FEV1 >= 80% predicted; GOLD 2 (moderate) 50% <= FEV1 < 80%; GOLD 3 (severe) 30% <= FEV1 < 50%; GOLD 4 (very severe) FEV1 < 30% (Vogelmeier 2017 GOLD executive summary)",
      "gold_grade": "1",
      "obstructed": true
    }
  ],
  "path": "/api/calc/gold_copd"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/gold_copd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"fev1_fvc_ratio":0.65,"fev1_percent_predicted":85},{"fev1_fvc_ratio":0.65,"fev1_percent_predicted":85}]}'

# 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/gold_copd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"fev1_fvc_ratio":0.65,"fev1_percent_predicted":85},{"fev1_fvc_ratio":0.65,"fev1_percent_predicted":85}]}' \
  | 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%2Fgold_copd&method=POST
const res = await pay("https://api.magentlab.com/api/calc/gold_copd", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "fev1_fvc_ratio": 0.65,
        "fev1_percent_predicted": 85
      },
      {
        "fev1_fvc_ratio": 0.65,
        "fev1_percent_predicted": 85
      }
    ]
  }),
});
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/gold_copd",
        json={
            "items": [
                {
                    "fev1_fvc_ratio": 0.65,
                    "fev1_percent_predicted": 85,
                },
                {
                    "fev1_fvc_ratio": 0.65,
                    "fev1_percent_predicted": 85,
                },
            ],
        },
    )
    print(res.status_code, res.text)