Calc Pecarn Iai

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Holmes JF, Lillis K, Monroe D, Borgialli D, Kerrey BT, Mahajan P, Adelgais K, Ellison AM, Yen K, Atabaki S, Menaker J, Bonsu B, Quayle KS, Garcia M, Rogers A, Blumberg S, Lee L, Tunik M, Kooistra J, Kwok M, Cook LJ, Dean JM, Sokolove PE, Wisner DH, Ehrlich P, Cooper A, Dayan PS, Wootton-Gorges S, Kuppermann N",
        "doi": "10.1016/j.annemergmed.2012.11.009",
        "id": "holmes-2013",
        "source": "Ann Emerg Med. 2013;62(2):107-116.e2",
        "title": "Identifying children at very low risk of clinically important blunt abdominal injuries"
      },
      "criteria": [
        {
          "factor": "no_abdominal_wall_trauma_or_seatbelt_sign",
          "met": true
        },
        {
          "factor": "no_gcs_less_than_14",
          "met": true
        },
        {
          "factor": "no_abdominal_tenderness",
          "met": true
        },
        {
          "factor": "no_thoracic_wall_trauma",
          "met": true
        },
        {
          "factor": "no_abdominal_pain",
          "met": true
        },
        {
          "factor": "no_decreased_breath_sounds",
          "met": true
        },
        {
          "factor": "no_vomiting",
          "met": true
        }
      ],
      "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": "pecarn_iai",
      "formula_expression": "very_low_risk_iai_intervention iff no abdominal_wall_trauma_or_seatbelt_sign and no gcs_less_than_14 and no abdominal_tenderness and no thoracic_wall_trauma and no abdominal_pain and no decreased_breath_sounds and no vomiting",
      "very_low_risk_iai_intervention": true
    },
    {
      "citation": {
        "authors": "Holmes JF, Lillis K, Monroe D, Borgialli D, Kerrey BT, Mahajan P, Adelgais K, Ellison AM, Yen K, Atabaki S, Menaker J, Bonsu B, Quayle KS, Garcia M, Rogers A, Blumberg S, Lee L, Tunik M, Kooistra J, Kwok M, Cook LJ, Dean JM, Sokolove PE, Wisner DH, Ehrlich P, Cooper A, Dayan PS, Wootton-Gorges S, Kuppermann N",
        "doi": "10.1016/j.annemergmed.2012.11.009",
        "id": "holmes-2013",
        "source": "Ann Emerg Med. 2013;62(2):107-116.e2",
        "title": "Identifying children at very low risk of clinically important blunt abdominal injuries"
      },
      "criteria": [
        {
          "factor": "no_abdominal_wall_trauma_or_seatbelt_sign",
          "met": true
        },
        {
          "factor": "no_gcs_less_than_14",
          "met": true
        },
        {
          "factor": "no_abdominal_tenderness",
          "met": true
        },
        {
          "factor": "no_thoracic_wall_trauma",
          "met": true
        },
        {
          "factor": "no_abdominal_pain",
          "met": true
        },
        {
          "factor": "no_decreased_breath_sounds",
          "met": true
        },
        {
          "factor": "no_vomiting",
          "met": true
        }
      ],
      "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": "pecarn_iai",
      "formula_expression": "very_low_risk_iai_intervention iff no abdominal_wall_trauma_or_seatbelt_sign and no gcs_less_than_14 and no abdominal_tenderness and no thoracic_wall_trauma and no abdominal_pain and no decreased_breath_sounds and no vomiting",
      "very_low_risk_iai_intervention": true
    }
  ],
  "path": "/api/calc/pecarn_iai"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/pecarn_iai' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abdominal_pain":false,"abdominal_tenderness":false,"abdominal_wall_trauma_or_seatbelt_sign":false,"decreased_breath_sounds":false,"gcs_less_than_14":false,"thoracic_wall_trauma":false,"vomiting":false},{"abdominal_pain":false,"abdominal_tenderness":false,"abdominal_wall_trauma_or_seatbelt_sign":false,"decreased_breath_sounds":false,"gcs_less_than_14":false,"thoracic_wall_trauma":false,"vomiting":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/pecarn_iai' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abdominal_pain":false,"abdominal_tenderness":false,"abdominal_wall_trauma_or_seatbelt_sign":false,"decreased_breath_sounds":false,"gcs_less_than_14":false,"thoracic_wall_trauma":false,"vomiting":false},{"abdominal_pain":false,"abdominal_tenderness":false,"abdominal_wall_trauma_or_seatbelt_sign":false,"decreased_breath_sounds":false,"gcs_less_than_14":false,"thoracic_wall_trauma":false,"vomiting":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%2Fpecarn_iai&method=POST
const res = await pay("https://api.magentlab.com/api/calc/pecarn_iai", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "abdominal_pain": false,
        "abdominal_tenderness": false,
        "abdominal_wall_trauma_or_seatbelt_sign": false,
        "decreased_breath_sounds": false,
        "gcs_less_than_14": false,
        "thoracic_wall_trauma": false,
        "vomiting": false
      },
      {
        "abdominal_pain": false,
        "abdominal_tenderness": false,
        "abdominal_wall_trauma_or_seatbelt_sign": false,
        "decreased_breath_sounds": false,
        "gcs_less_than_14": false,
        "thoracic_wall_trauma": false,
        "vomiting": 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/pecarn_iai",
        json={
            "items": [
                {
                    "abdominal_pain": False,
                    "abdominal_tenderness": False,
                    "abdominal_wall_trauma_or_seatbelt_sign": False,
                    "decreased_breath_sounds": False,
                    "gcs_less_than_14": False,
                    "thoracic_wall_trauma": False,
                    "vomiting": False,
                },
                {
                    "abdominal_pain": False,
                    "abdominal_tenderness": False,
                    "abdominal_wall_trauma_or_seatbelt_sign": False,
                    "decreased_breath_sounds": False,
                    "gcs_less_than_14": False,
                    "thoracic_wall_trauma": False,
                    "vomiting": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)