Calc Berlin Ards

{
  "count": 2,
  "items": [
    {
      "berlin_ards": true,
      "citation": {
        "authors": "The ARDS Definition Task Force; Ranieri VM, Rubenfeld GD, Thompson BT, Ferguson ND, Caldwell E, Fan E, Camporota L, Slutsky AS",
        "doi": "10.1001/jama.2012.5669",
        "id": "ranieri-2012",
        "pmid": "22797452",
        "source": "JAMA. 2012;307(23):2526-2533",
        "title": "Acute respiratory distress syndrome: the Berlin Definition"
      },
      "clinical_box": true,
      "criteria": [
        {
          "factor": "onset_within_1_week",
          "met": true
        },
        {
          "factor": "bilateral_opacities_not_fully_explained",
          "met": true
        },
        {
          "factor": "origin_not_fully_hf_or_fluid",
          "met": true
        },
        {
          "factor": "clinical_box",
          "met": true
        },
        {
          "factor": "peep_ge_5",
          "met": true
        },
        {
          "factor": "cpap_ge_5",
          "met": false
        },
        {
          "factor": "severe",
          "met": true,
          "value": 90
        },
        {
          "factor": "moderate",
          "met": false,
          "value": 90
        },
        {
          "factor": "mild",
          "met": false,
          "value": 90
        }
      ],
      "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": "berlin_ards",
      "formula_expression": "clinical_box iff onset_within_1_week and bilateral_opacities_not_fully_explained and origin_not_fully_hf_or_fluid; severe iff clinical_box and pf_ratio <= 100 and peep_ge_5; moderate iff clinical_box and 100 < pf_ratio <= 200 and peep_ge_5; mild iff clinical_box and 200 < pf_ratio <= 300 and (peep_ge_5 or cpap_ge_5); berlin_ards iff severity is mild, moderate, or severe; else none (Ranieri 2012 Berlin Definition)",
      "pf_ratio": 90,
      "severity": "severe"
    },
    {
      "berlin_ards": true,
      "citation": {
        "authors": "The ARDS Definition Task Force; Ranieri VM, Rubenfeld GD, Thompson BT, Ferguson ND, Caldwell E, Fan E, Camporota L, Slutsky AS",
        "doi": "10.1001/jama.2012.5669",
        "id": "ranieri-2012",
        "pmid": "22797452",
        "source": "JAMA. 2012;307(23):2526-2533",
        "title": "Acute respiratory distress syndrome: the Berlin Definition"
      },
      "clinical_box": true,
      "criteria": [
        {
          "factor": "onset_within_1_week",
          "met": true
        },
        {
          "factor": "bilateral_opacities_not_fully_explained",
          "met": true
        },
        {
          "factor": "origin_not_fully_hf_or_fluid",
          "met": true
        },
        {
          "factor": "clinical_box",
          "met": true
        },
        {
          "factor": "peep_ge_5",
          "met": true
        },
        {
          "factor": "cpap_ge_5",
          "met": false
        },
        {
          "factor": "severe",
          "met": true,
          "value": 90
        },
        {
          "factor": "moderate",
          "met": false,
          "value": 90
        },
        {
          "factor": "mild",
          "met": false,
          "value": 90
        }
      ],
      "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": "berlin_ards",
      "formula_expression": "clinical_box iff onset_within_1_week and bilateral_opacities_not_fully_explained and origin_not_fully_hf_or_fluid; severe iff clinical_box and pf_ratio <= 100 and peep_ge_5; moderate iff clinical_box and 100 < pf_ratio <= 200 and peep_ge_5; mild iff clinical_box and 200 < pf_ratio <= 300 and (peep_ge_5 or cpap_ge_5); berlin_ards iff severity is mild, moderate, or severe; else none (Ranieri 2012 Berlin Definition)",
      "pf_ratio": 90,
      "severity": "severe"
    }
  ],
  "path": "/api/calc/berlin_ards"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/berlin_ards' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"bilateral_opacities_not_fully_explained":true,"cpap_ge_5":false,"onset_within_1_week":true,"origin_not_fully_hf_or_fluid":true,"peep_ge_5":true,"pf_ratio":90},{"bilateral_opacities_not_fully_explained":true,"cpap_ge_5":false,"onset_within_1_week":true,"origin_not_fully_hf_or_fluid":true,"peep_ge_5":true,"pf_ratio":90}]}'

# 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/berlin_ards' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"bilateral_opacities_not_fully_explained":true,"cpap_ge_5":false,"onset_within_1_week":true,"origin_not_fully_hf_or_fluid":true,"peep_ge_5":true,"pf_ratio":90},{"bilateral_opacities_not_fully_explained":true,"cpap_ge_5":false,"onset_within_1_week":true,"origin_not_fully_hf_or_fluid":true,"peep_ge_5":true,"pf_ratio":90}]}' \
  | 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%2Fberlin_ards&method=POST
const res = await pay("https://api.magentlab.com/api/calc/berlin_ards", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "bilateral_opacities_not_fully_explained": true,
        "cpap_ge_5": false,
        "onset_within_1_week": true,
        "origin_not_fully_hf_or_fluid": true,
        "peep_ge_5": true,
        "pf_ratio": 90
      },
      {
        "bilateral_opacities_not_fully_explained": true,
        "cpap_ge_5": false,
        "onset_within_1_week": true,
        "origin_not_fully_hf_or_fluid": true,
        "peep_ge_5": true,
        "pf_ratio": 90
      }
    ]
  }),
});
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/berlin_ards",
        json={
            "items": [
                {
                    "bilateral_opacities_not_fully_explained": True,
                    "cpap_ge_5": False,
                    "onset_within_1_week": True,
                    "origin_not_fully_hf_or_fluid": True,
                    "peep_ge_5": True,
                    "pf_ratio": 90,
                },
                {
                    "bilateral_opacities_not_fully_explained": True,
                    "cpap_ge_5": False,
                    "onset_within_1_week": True,
                    "origin_not_fully_hf_or_fluid": True,
                    "peep_ge_5": True,
                    "pf_ratio": 90,
                },
            ],
        },
    )
    print(res.status_code, res.text)