Calc Imwg Response

{
  "citation": {
    "authors": "Kumar S, Paiva B, Anderson KC, Durie B, Landgren O, Moreau P, Munshi N, Lonial S, Bladé J, Mateos MV, Dimopoulos M, Kastritis E, Boccadoro M, Orlowski R, Zamagni E, Palumbo A, San Miguel J, Avet-Loiseau H, Goldschmidt H, van de Donk NWCJ, et al.",
    "doi": "10.1016/S1470-2045(16)30206-6",
    "id": "kumar-2016",
    "pmid": "27511158",
    "source": "Lancet Oncol. 2016;17(8):e328-e346",
    "title": "International Myeloma Working Group consensus criteria for response and minimal residual disease assessment in multiple myeloma"
  },
  "cr_bits": true,
  "criteria": [
    {
      "factor": "imwg_pd",
      "met": false
    },
    {
      "factor": "ife_serum_negative",
      "met": true
    },
    {
      "factor": "ife_urine_negative",
      "met": true
    },
    {
      "factor": "plasmacytomas_absent",
      "met": true
    },
    {
      "factor": "bmpc_lt_5",
      "met": true
    },
    {
      "factor": "cr_bits",
      "met": true
    },
    {
      "factor": "flc_ratio_normal",
      "met": true
    },
    {
      "factor": "no_clonal_cells_ihc",
      "met": true
    },
    {
      "factor": "electrophoresis_negative",
      "met": false
    },
    {
      "factor": "serum_m_reduction_ge_90",
      "met": false
    },
    {
      "factor": "urine_m_lt_100",
      "met": false
    },
    {
      "factor": "serum_m_reduction_ge_50",
      "met": false
    },
    {
      "factor": "urine_m_pr",
      "met": false
    },
    {
      "factor": "serum_m_reduction_25_to_49",
      "met": false
    },
    {
      "factor": "urine_m_reduction_50_to_89",
      "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": "imwg_response",
  "formula_expression": "Kumar 2016 IMWG measurable serum+urine M-protein response, first-match: PD if imwg_pd; else sCR iff CR_bits and flc_ratio_normal and no_clonal_cells_ihc; else CR iff CR_bits; else VGPR iff electrophoresis_negative or (serum_m_reduction_ge_90 and urine_m_lt_100); else PR iff serum_m_reduction_ge_50 and urine_m_pr; else MR iff serum_m_reduction_25_to_49 and urine_m_reduction_50_to_89; else SD. CR_bits = ife_serum_negative and ife_urine_negative and plasmacytomas_absent and bmpc_lt_5 (strictly <5% marrow plasma cells). Not FLC-only or nonsecretory. Not MRD. Not a diagnosis",
  "imwg_response": "sCR"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/imwg_response?bmpc_lt_5=true&electrophoresis_negative=false&flc_ratio_normal=true&ife_serum_negative=true&ife_urine_negative=true&imwg_pd=false&no_clonal_cells_ihc=true&plasmacytomas_absent=true&serum_m_reduction_25_to_49=false&serum_m_reduction_ge_50=false&serum_m_reduction_ge_90=false&urine_m_lt_100=false&urine_m_pr=false&urine_m_reduction_50_to_89=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/imwg_response?bmpc_lt_5=true&electrophoresis_negative=false&flc_ratio_normal=true&ife_serum_negative=true&ife_urine_negative=true&imwg_pd=false&no_clonal_cells_ihc=true&plasmacytomas_absent=true&serum_m_reduction_25_to_49=false&serum_m_reduction_ge_50=false&serum_m_reduction_ge_90=false&urine_m_lt_100=false&urine_m_pr=false&urine_m_reduction_50_to_89=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%2Fimwg_response
const res = await pay("https://api.magentlab.com/api/calc/imwg_response?bmpc_lt_5=true&electrophoresis_negative=false&flc_ratio_normal=true&ife_serum_negative=true&ife_urine_negative=true&imwg_pd=false&no_clonal_cells_ihc=true&plasmacytomas_absent=true&serum_m_reduction_25_to_49=false&serum_m_reduction_ge_50=false&serum_m_reduction_ge_90=false&urine_m_lt_100=false&urine_m_pr=false&urine_m_reduction_50_to_89=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/imwg_response?bmpc_lt_5=true&electrophoresis_negative=false&flc_ratio_normal=true&ife_serum_negative=true&ife_urine_negative=true&imwg_pd=false&no_clonal_cells_ihc=true&plasmacytomas_absent=true&serum_m_reduction_25_to_49=false&serum_m_reduction_ge_50=false&serum_m_reduction_ge_90=false&urine_m_lt_100=false&urine_m_pr=false&urine_m_reduction_50_to_89=false")
    print(res.status_code, res.text)