Calc Has Bled

{
  "count": 2,
  "items": [
    {
      "age_years": 78,
      "citation": {
        "authors": "Pisters R, Lane DA, Nieuwlaat R, de Vos CB, Crijns HJ, Lip GYH",
        "doi": "10.1378/chest.10-0134",
        "id": "pisters-2010",
        "source": "Chest. 2010;138(5):1093-1100",
        "title": "A novel user-friendly score (HAS-BLED) to assess 1-year risk of major bleeding in patients with atrial fibrillation: the Euro Heart Survey"
      },
      "components": [
        {
          "factor": "hypertension",
          "points": 1,
          "present": true
        },
        {
          "factor": "abnormal_renal",
          "points": 0,
          "present": false
        },
        {
          "factor": "abnormal_liver",
          "points": 0,
          "present": false
        },
        {
          "factor": "stroke",
          "points": 0,
          "present": false
        },
        {
          "factor": "bleeding",
          "points": 0,
          "present": false
        },
        {
          "factor": "labile_inr",
          "points": 0,
          "present": false
        },
        {
          "factor": "elderly_age_gt_65",
          "points": 1,
          "present": true,
          "value": 78
        },
        {
          "factor": "drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "alcohol",
          "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": "has_bled",
      "formula_expression": "HAS-BLED = hypertension + abnormal_renal + abnormal_liver + stroke + bleeding + labile_inr + elderly(age>65) + drugs + alcohol; max 9",
      "max_score": 9,
      "score": 2
    },
    {
      "age_years": 78,
      "citation": {
        "authors": "Pisters R, Lane DA, Nieuwlaat R, de Vos CB, Crijns HJ, Lip GYH",
        "doi": "10.1378/chest.10-0134",
        "id": "pisters-2010",
        "source": "Chest. 2010;138(5):1093-1100",
        "title": "A novel user-friendly score (HAS-BLED) to assess 1-year risk of major bleeding in patients with atrial fibrillation: the Euro Heart Survey"
      },
      "components": [
        {
          "factor": "hypertension",
          "points": 1,
          "present": true
        },
        {
          "factor": "abnormal_renal",
          "points": 0,
          "present": false
        },
        {
          "factor": "abnormal_liver",
          "points": 0,
          "present": false
        },
        {
          "factor": "stroke",
          "points": 0,
          "present": false
        },
        {
          "factor": "bleeding",
          "points": 0,
          "present": false
        },
        {
          "factor": "labile_inr",
          "points": 0,
          "present": false
        },
        {
          "factor": "elderly_age_gt_65",
          "points": 1,
          "present": true,
          "value": 78
        },
        {
          "factor": "drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "alcohol",
          "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": "has_bled",
      "formula_expression": "HAS-BLED = hypertension + abnormal_renal + abnormal_liver + stroke + bleeding + labile_inr + elderly(age>65) + drugs + alcohol; max 9",
      "max_score": 9,
      "score": 2
    }
  ],
  "path": "/api/calc/has_bled"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/has_bled' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_liver":false,"abnormal_renal":false,"age":78,"alcohol":false,"bleeding":false,"drugs":false,"hypertension":true,"labile_inr":false,"stroke":false},{"abnormal_liver":false,"abnormal_renal":false,"age":78,"alcohol":false,"bleeding":false,"drugs":false,"hypertension":true,"labile_inr":false,"stroke":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/has_bled' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_liver":false,"abnormal_renal":false,"age":78,"alcohol":false,"bleeding":false,"drugs":false,"hypertension":true,"labile_inr":false,"stroke":false},{"abnormal_liver":false,"abnormal_renal":false,"age":78,"alcohol":false,"bleeding":false,"drugs":false,"hypertension":true,"labile_inr":false,"stroke":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%2Fhas_bled&method=POST
const res = await pay("https://api.magentlab.com/api/calc/has_bled", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "abnormal_liver": false,
        "abnormal_renal": false,
        "age": 78,
        "alcohol": false,
        "bleeding": false,
        "drugs": false,
        "hypertension": true,
        "labile_inr": false,
        "stroke": false
      },
      {
        "abnormal_liver": false,
        "abnormal_renal": false,
        "age": 78,
        "alcohol": false,
        "bleeding": false,
        "drugs": false,
        "hypertension": true,
        "labile_inr": false,
        "stroke": 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/has_bled",
        json={
            "items": [
                {
                    "abnormal_liver": False,
                    "abnormal_renal": False,
                    "age": 78,
                    "alcohol": False,
                    "bleeding": False,
                    "drugs": False,
                    "hypertension": True,
                    "labile_inr": False,
                    "stroke": False,
                },
                {
                    "abnormal_liver": False,
                    "abnormal_renal": False,
                    "age": 78,
                    "alcohol": False,
                    "bleeding": False,
                    "drugs": False,
                    "hypertension": True,
                    "labile_inr": False,
                    "stroke": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)