Calc Mipi

{
  "age_years": 40,
  "citation": {
    "authors": "Hoster E, Dreyling M, Klapper W, et al.",
    "doi": "10.1182/blood-2007-06-095331",
    "id": "hoster-2008",
    "pmid": "17934064",
    "source": "Blood. 2008;111(2):558-565",
    "title": "A new prognostic index (MIPI) for patients with advanced-stage mantle cell lymphoma"
  },
  "components": [
    {
      "factor": "age",
      "points": 0,
      "present": false,
      "value": 40
    },
    {
      "factor": "ecog",
      "points": 0,
      "present": false,
      "value": 0
    },
    {
      "factor": "ldh_uln_ratio",
      "points": 0,
      "present": false,
      "value": 0.5
    },
    {
      "factor": "wbc",
      "points": 0,
      "present": false,
      "value": 5000
    }
  ],
  "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.",
  "ecog": 0,
  "formula": "mipi",
  "formula_expression": "simplified MIPI = age (<50 0, 50–59 1, 60–69 2, ≥70 3) + ECOG (0–1 0, 2–4 2) + LDH/ULN (<0.67 0, 0.67–<1.0 1, 1.0–<1.5 2, ≥1.5 3) + WBC ×10^9/L (<6.7 0, 6.7–<10 1, 10–<15 2, ≥15 3); Hoster 2008; max 11; low 0-3, intermediate 4-5, high 6-11",
  "ldh_uln_ratio": 0.5,
  "max_score": 11,
  "risk_group": "low",
  "score": 0,
  "wbc_10e9_l": 5,
  "wbc_ul": 5000
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/mipi?age=40&ecog=0&ldh_uln_ratio=0.5&wbc_k_ul=5&wbc_ul=5000'

# 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/mipi?age=40&ecog=0&ldh_uln_ratio=0.5&wbc_k_ul=5&wbc_ul=5000' \
  | 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%2Fmipi
const res = await pay("https://api.magentlab.com/api/calc/mipi?age=40&ecog=0&ldh_uln_ratio=0.5&wbc_k_ul=5&wbc_ul=5000");
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/mipi?age=40&ecog=0&ldh_uln_ratio=0.5&wbc_k_ul=5&wbc_ul=5000")
    print(res.status_code, res.text)