Calc Binet

{
  "anemia_hb_lt_10": false,
  "binet_stage": "A",
  "citation": {
    "authors": "Binet JL, Auquier A, Dighiero G, et al.",
    "doi": "10.1002/1097-0142(19810701)48:1<198::AID-CNCR2820480131>3.0.CO;2-V",
    "id": "binet-1981",
    "pmid": "7237385",
    "source": "Cancer. 1981;48(1):198-206",
    "title": "A new prognostic classification of chronic lymphocytic leukemia derived from a multivariate survival analysis"
  },
  "criteria": [
    {
      "factor": "anemia_hb_lt_10",
      "met": false
    },
    {
      "factor": "thrombocytopenia_plt_lt_100",
      "met": false
    },
    {
      "factor": "involved_areas_ge_3",
      "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": "binet",
  "formula_expression": "Binet C if anemia_hb_lt_10 or thrombocytopenia_plt_lt_100; else B if involved_areas >= 3; else A (involved_areas 0-2) (Binet 1981)",
  "involved_areas": 1,
  "thrombocytopenia_plt_lt_100": false
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/binet?anemia_hb_lt_10=false&involved_areas=1&thrombocytopenia_plt_lt_100=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/binet?anemia_hb_lt_10=false&involved_areas=1&thrombocytopenia_plt_lt_100=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%2Fbinet
const res = await pay("https://api.magentlab.com/api/calc/binet?anemia_hb_lt_10=false&involved_areas=1&thrombocytopenia_plt_lt_100=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/binet?anemia_hb_lt_10=false&involved_areas=1&thrombocytopenia_plt_lt_100=false")
    print(res.status_code, res.text)