Calc Iota

{
  "b_count": 0,
  "citation": {
    "authors": "Timmerman D, Testa AC, Bourne T, Ameye L, Jurkovic D, Van Holsbeke C, Paladini D, Van Calster B, Vergote I, Van Huffel S, Valentin L",
    "doi": "10.1002/uog.5365",
    "id": "timmerman-2008",
    "pmid": "18504770",
    "source": "Ultrasound Obstet Gynecol. 2008;31(6):681-690",
    "title": "Simple ultrasound-based rules for the diagnosis of ovarian cancer."
  },
  "classification": "malignant",
  "criteria": [
    {
      "factor": "irregular_solid_tumor",
      "met": false
    },
    {
      "factor": "ascites",
      "met": true
    },
    {
      "factor": "at_least_four_papillary_structures",
      "met": false
    },
    {
      "factor": "irregular_multilocular_solid_ge_100mm",
      "met": false
    },
    {
      "factor": "very_high_color_doppler",
      "met": false
    },
    {
      "factor": "unilocular_cyst",
      "met": false
    },
    {
      "factor": "solid_component_lt_7mm",
      "met": false
    },
    {
      "factor": "acoustic_shadows",
      "met": false
    },
    {
      "factor": "smooth_multilocular_lt_100mm",
      "met": false
    },
    {
      "factor": "no_detectable_blood_flow",
      "met": 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": "iota",
  "formula_expression": "classification malignant iff m_count >= 1 and b_count == 0; benign iff b_count >= 1 and m_count == 0; otherwise inconclusive; m_count counts irregular_solid_tumor, ascites, at_least_four_papillary_structures, irregular_multilocular_solid_ge_100mm, very_high_color_doppler; b_count counts unilocular_cyst, solid_component_lt_7mm, acoustic_shadows, smooth_multilocular_lt_100mm, no_detectable_blood_flow (Timmerman 2008 Simple Rules; not SRRisk)",
  "m_count": 1
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/iota?acoustic_shadows=false&ascites=true&at_least_four_papillary_structures=false&irregular_multilocular_solid_ge_100mm=false&irregular_solid_tumor=false&no_detectable_blood_flow=false&smooth_multilocular_lt_100mm=false&solid_component_lt_7mm=false&unilocular_cyst=false&very_high_color_doppler=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 - 'https://api.magentlab.com/api/calc/iota?acoustic_shadows=false&ascites=true&at_least_four_papillary_structures=false&irregular_multilocular_solid_ge_100mm=false&irregular_solid_tumor=false&no_detectable_blood_flow=false&smooth_multilocular_lt_100mm=false&solid_component_lt_7mm=false&unilocular_cyst=false&very_high_color_doppler=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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fiota
const res = await pay("https://api.magentlab.com/api/calc/iota?acoustic_shadows=false&ascites=true&at_least_four_papillary_structures=false&irregular_multilocular_solid_ge_100mm=false&irregular_solid_tumor=false&no_detectable_blood_flow=false&smooth_multilocular_lt_100mm=false&solid_component_lt_7mm=false&unilocular_cyst=false&very_high_color_doppler=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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.magentlab.com/api/calc/iota?acoustic_shadows=false&ascites=true&at_least_four_papillary_structures=false&irregular_multilocular_solid_ge_100mm=false&irregular_solid_tumor=false&no_detectable_blood_flow=false&smooth_multilocular_lt_100mm=false&solid_component_lt_7mm=false&unilocular_cyst=false&very_high_color_doppler=false")
    print(res.status_code, res.text)