Calc Nutric

{
  "count": 2,
  "items": [
    {
      "age_years": 40,
      "apache_ii": 10,
      "citation": {
        "authors": "Heyland DK, Dhaliwal R, Jiang X, Day AG",
        "doi": "10.1186/cc10546",
        "id": "heyland-2011",
        "pmid": "22085762",
        "source": "Crit Care. 2011;15(6):R268",
        "title": "Identifying critically ill patients who benefit the most from nutrition therapy: the development and initial validation of a novel risk assessment tool"
      },
      "comorbidities": 0,
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 40
        },
        {
          "factor": "apache_ii",
          "points": 0,
          "present": false,
          "value": 10
        },
        {
          "factor": "sofa",
          "points": 0,
          "present": false,
          "value": 4
        },
        {
          "factor": "comorbidities",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "hospital_days_to_icu",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "il6_pg_ml",
          "points": 0,
          "present": false,
          "value": 100
        }
      ],
      "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": "nutric",
      "formula_expression": "NUTRIC = age (0–2) + apache_ii (0–3) + sofa (0–2) + comorbidities (0–1) + hospital_days_to_icu (0–1) + il6_pg_ml (0–1); Heyland 2011 Table 4 overall including IL-6; max 10; high_risk if score ≥ 6",
      "high_risk": false,
      "hospital_days_to_icu": 0,
      "il6_pg_ml": 100,
      "max_score": 10,
      "score": 0,
      "sofa": 4
    },
    {
      "age_years": 40,
      "apache_ii": 10,
      "citation": {
        "authors": "Heyland DK, Dhaliwal R, Jiang X, Day AG",
        "doi": "10.1186/cc10546",
        "id": "heyland-2011",
        "pmid": "22085762",
        "source": "Crit Care. 2011;15(6):R268",
        "title": "Identifying critically ill patients who benefit the most from nutrition therapy: the development and initial validation of a novel risk assessment tool"
      },
      "comorbidities": 0,
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 40
        },
        {
          "factor": "apache_ii",
          "points": 0,
          "present": false,
          "value": 10
        },
        {
          "factor": "sofa",
          "points": 0,
          "present": false,
          "value": 4
        },
        {
          "factor": "comorbidities",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "hospital_days_to_icu",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "il6_pg_ml",
          "points": 0,
          "present": false,
          "value": 100
        }
      ],
      "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": "nutric",
      "formula_expression": "NUTRIC = age (0–2) + apache_ii (0–3) + sofa (0–2) + comorbidities (0–1) + hospital_days_to_icu (0–1) + il6_pg_ml (0–1); Heyland 2011 Table 4 overall including IL-6; max 10; high_risk if score ≥ 6",
      "high_risk": false,
      "hospital_days_to_icu": 0,
      "il6_pg_ml": 100,
      "max_score": 10,
      "score": 0,
      "sofa": 4
    }
  ],
  "path": "/api/calc/nutric"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/nutric' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":40,"apache_ii":10,"comorbidities":0,"hospital_days_to_icu":0,"il6_pg_ml":100,"sofa":4},{"age":40,"apache_ii":10,"comorbidities":0,"hospital_days_to_icu":0,"il6_pg_ml":100,"sofa":4}]}'

# 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/nutric' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":40,"apache_ii":10,"comorbidities":0,"hospital_days_to_icu":0,"il6_pg_ml":100,"sofa":4},{"age":40,"apache_ii":10,"comorbidities":0,"hospital_days_to_icu":0,"il6_pg_ml":100,"sofa":4}]}' \
  | 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%2Fnutric&method=POST
const res = await pay("https://api.magentlab.com/api/calc/nutric", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 40,
        "apache_ii": 10,
        "comorbidities": 0,
        "hospital_days_to_icu": 0,
        "il6_pg_ml": 100,
        "sofa": 4
      },
      {
        "age": 40,
        "apache_ii": 10,
        "comorbidities": 0,
        "hospital_days_to_icu": 0,
        "il6_pg_ml": 100,
        "sofa": 4
      }
    ]
  }),
});
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/nutric",
        json={
            "items": [
                {
                    "age": 40,
                    "apache_ii": 10,
                    "comorbidities": 0,
                    "hospital_days_to_icu": 0,
                    "il6_pg_ml": 100,
                    "sofa": 4,
                },
                {
                    "age": 40,
                    "apache_ii": 10,
                    "comorbidities": 0,
                    "hospital_days_to_icu": 0,
                    "il6_pg_ml": 100,
                    "sofa": 4,
                },
            ],
        },
    )
    print(res.status_code, res.text)