Calc Maps

{
  "adverse_mutations": false,
  "age": 65,
  "alp_above_unl": true,
  "citation": {
    "authors": "Pardanani A, Shah S, Mannelli F, Elala YC, Guglielmelli P, Lasho TL, Patnaik MM, Gangat N, Ketterling RP, Reichard KK, Hanson CA, Vannucchi AM, Tefferi A",
    "doi": "10.1182/bloodadvances.2018026245",
    "id": "pardanani-2018",
    "pmid": "30413432",
    "source": "Blood Adv. 2018;2(21):2964-2972",
    "title": "Mayo alliance prognostic system for mastocytosis: clinical and hybrid clinical-molecular models"
  },
  "components": [
    {
      "factor": "sm_category_advanced",
      "points": 2,
      "present": true,
      "value": "advanced"
    },
    {
      "factor": "age_gt_60",
      "points": 1,
      "present": true,
      "value": 65
    },
    {
      "factor": "platelets_lt_150",
      "points": 1,
      "present": true,
      "value": 100
    },
    {
      "factor": "alp_above_unl",
      "points": 1,
      "present": true
    },
    {
      "factor": "adverse_mutations",
      "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": "maps",
  "formula_expression": "MAPS = sm_category_advanced 2 + age_gt_60 1 + platelets_lt_150 1 + alp_above_unl 1 + adverse_mutations 1; Pardanani 2018 hybrid Figure 3; max 6; low ≤2, intermediate_1 3, intermediate_2 4, high ≥5",
  "max_score": 6,
  "platelets_10e9_l": 100,
  "risk_band": "high",
  "score": 5,
  "sm_category": "advanced"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/maps?adverse_mutations=false&age=65&alp_above_unl=true&platelets_10e9_l=100&sm_category=advanced'

# 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/maps?adverse_mutations=false&age=65&alp_above_unl=true&platelets_10e9_l=100&sm_category=advanced' \
  | 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%2Fmaps
const res = await pay("https://api.magentlab.com/api/calc/maps?adverse_mutations=false&age=65&alp_above_unl=true&platelets_10e9_l=100&sm_category=advanced");
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/maps?adverse_mutations=false&age=65&alp_above_unl=true&platelets_10e9_l=100&sm_category=advanced")
    print(res.status_code, res.text)