Calc Smm 22020

{
  "bmpc_percent": 25,
  "citation": {
    "authors": "Lakshman A, Rajkumar SV, Buadi FK, et al.",
    "doi": "10.1038/s41408-018-0077-4",
    "id": "lakshman-2018",
    "pmid": "29895887",
    "source": "Blood Cancer J. 2018;8(6):59",
    "title": "Risk stratification of smoldering multiple myeloma incorporating revised IMWG diagnostic criteria"
  },
  "components": [
    {
      "factor": "bmpc_percent_gt_20",
      "points": 1,
      "present": true,
      "value": 25
    },
    {
      "factor": "m_protein_gt_2",
      "points": 1,
      "present": true,
      "value": 2.5
    },
    {
      "factor": "flc_ratio_gt_20",
      "points": 1,
      "present": true,
      "value": 25
    }
  ],
  "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.",
  "factor_count": 3,
  "flc_ratio": 25,
  "formula": "smm_22020",
  "formula_expression": "Lakshman 2018 2/20/20 = (bmpc_percent > 20) + (m_protein_g_dl > 2) + (flc_ratio > 20); each 1; max 3; 0 low median TTP 110 months, 1 intermediate 68 months, 2 or 3 high 29 months. Not Mayo 70/20. Not PETHEMA. Not myeloma ISS",
  "m_protein_g_dl": 2.5,
  "max_score": 3,
  "median_ttp_months": 29,
  "risk_group": "high",
  "score": 3
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/smm_22020?bmpc_percent=25&flc_ratio=25&m_protein_g_dl=2.5'

# 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/smm_22020?bmpc_percent=25&flc_ratio=25&m_protein_g_dl=2.5' \
  | 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%2Fsmm_22020
const res = await pay("https://api.magentlab.com/api/calc/smm_22020?bmpc_percent=25&flc_ratio=25&m_protein_g_dl=2.5");
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/smm_22020?bmpc_percent=25&flc_ratio=25&m_protein_g_dl=2.5")
    print(res.status_code, res.text)