Calc Imdc

{
  "citation": {
    "authors": "Heng DY, Xie W, Regan MM, Warren MA, Golshayan AR, Sahi C, Eigl BJ, Ruether JD, Cheng T, North S, Venner P, Knox JJ, Chi KN, Kollmannsberger C, McDermott DF, Rini BI, Bukowski RM, Rha SY, Choueiri TK",
    "doi": "10.1200/JCO.2008.21.4809",
    "id": "heng-2009",
    "pmid": "19826129",
    "source": "J Clin Oncol. 2009;27(34):5794-5799",
    "title": "Prognostic factors for overall survival in patients with metastatic renal cell carcinoma treated with vascular endothelial growth factor-targeted agents: results from a large, multicenter study"
  },
  "components": [
    {
      "factor": "kps_lt_80",
      "points": 0,
      "present": false
    },
    {
      "factor": "diagnosis_to_treatment_lt_1_year",
      "points": 0,
      "present": false
    },
    {
      "factor": "hemoglobin_lt_lln",
      "points": 0,
      "present": false
    },
    {
      "factor": "corrected_calcium_gt_uln",
      "points": 0,
      "present": false
    },
    {
      "factor": "neutrophils_gt_uln",
      "points": 0,
      "present": false
    },
    {
      "factor": "platelets_gt_uln",
      "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": "imdc",
  "formula_expression": "IMDC = kps_lt_80 1 + diagnosis_to_treatment_lt_1_year 1 + hemoglobin_lt_lln 1 + corrected_calcium_gt_uln 1 + neutrophils_gt_uln 1 + platelets_gt_uln 1; Heng 2009; max 6; favorable 0, intermediate 1-2, poor ≥3",
  "imdc_band": "favorable",
  "max_score": 6,
  "score": 0
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/imdc?corrected_calcium_gt_uln=false&diagnosis_to_treatment_lt_1_year=false&hemoglobin_lt_lln=false&kps_lt_80=false&neutrophils_gt_uln=false&platelets_gt_uln=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/imdc?corrected_calcium_gt_uln=false&diagnosis_to_treatment_lt_1_year=false&hemoglobin_lt_lln=false&kps_lt_80=false&neutrophils_gt_uln=false&platelets_gt_uln=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%2Fimdc
const res = await pay("https://api.magentlab.com/api/calc/imdc?corrected_calcium_gt_uln=false&diagnosis_to_treatment_lt_1_year=false&hemoglobin_lt_lln=false&kps_lt_80=false&neutrophils_gt_uln=false&platelets_gt_uln=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/imdc?corrected_calcium_gt_uln=false&diagnosis_to_treatment_lt_1_year=false&hemoglobin_lt_lln=false&kps_lt_80=false&neutrophils_gt_uln=false&platelets_gt_uln=false")
    print(res.status_code, res.text)