Calc Fong

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Fong Y, Fortner J, Sun RL, Brennan MF, Blumgart LH",
        "doi": "10.1097/00000658-199909000-00004",
        "id": "fong-1999",
        "pmid": "10493478",
        "source": "Ann Surg. 1999;230(3):309-318",
        "title": "Clinical score for predicting recurrence after hepatic resection for metastatic colorectal cancer: analysis of 1001 consecutive cases"
      },
      "components": [
        {
          "factor": "node_positive_primary",
          "points": 0,
          "present": false
        },
        {
          "factor": "dfi_lt_12_months",
          "points": 0,
          "present": false
        },
        {
          "factor": "more_than_one_hepatic_tumor",
          "points": 0,
          "present": false
        },
        {
          "factor": "largest_tumor_gt_5_cm",
          "points": 0,
          "present": false
        },
        {
          "factor": "cea_gt_200",
          "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.",
      "favorable": true,
      "formula": "fong",
      "formula_expression": "Fong = node_positive_primary + dfi_lt_12_months + more_than_one_hepatic_tumor + largest_tumor_gt_5_cm + cea_gt_200; each 1; max 5",
      "max_score": 5,
      "score": 0
    },
    {
      "citation": {
        "authors": "Fong Y, Fortner J, Sun RL, Brennan MF, Blumgart LH",
        "doi": "10.1097/00000658-199909000-00004",
        "id": "fong-1999",
        "pmid": "10493478",
        "source": "Ann Surg. 1999;230(3):309-318",
        "title": "Clinical score for predicting recurrence after hepatic resection for metastatic colorectal cancer: analysis of 1001 consecutive cases"
      },
      "components": [
        {
          "factor": "node_positive_primary",
          "points": 0,
          "present": false
        },
        {
          "factor": "dfi_lt_12_months",
          "points": 0,
          "present": false
        },
        {
          "factor": "more_than_one_hepatic_tumor",
          "points": 0,
          "present": false
        },
        {
          "factor": "largest_tumor_gt_5_cm",
          "points": 0,
          "present": false
        },
        {
          "factor": "cea_gt_200",
          "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.",
      "favorable": true,
      "formula": "fong",
      "formula_expression": "Fong = node_positive_primary + dfi_lt_12_months + more_than_one_hepatic_tumor + largest_tumor_gt_5_cm + cea_gt_200; each 1; max 5",
      "max_score": 5,
      "score": 0
    }
  ],
  "path": "/api/calc/fong"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/fong' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"cea_gt_200":false,"dfi_lt_12_months":false,"largest_tumor_gt_5_cm":false,"more_than_one_hepatic_tumor":false,"node_positive_primary":false},{"cea_gt_200":false,"dfi_lt_12_months":false,"largest_tumor_gt_5_cm":false,"more_than_one_hepatic_tumor":false,"node_positive_primary":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 - -X POST 'https://api.magentlab.com/api/calc/fong' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"cea_gt_200":false,"dfi_lt_12_months":false,"largest_tumor_gt_5_cm":false,"more_than_one_hepatic_tumor":false,"node_positive_primary":false},{"cea_gt_200":false,"dfi_lt_12_months":false,"largest_tumor_gt_5_cm":false,"more_than_one_hepatic_tumor":false,"node_positive_primary":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 $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
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 $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Ffong&method=POST
const res = await pay("https://api.magentlab.com/api/calc/fong", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "cea_gt_200": false,
        "dfi_lt_12_months": false,
        "largest_tumor_gt_5_cm": false,
        "more_than_one_hepatic_tumor": false,
        "node_positive_primary": false
      },
      {
        "cea_gt_200": false,
        "dfi_lt_12_months": false,
        "largest_tumor_gt_5_cm": false,
        "more_than_one_hepatic_tumor": false,
        "node_positive_primary": 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 $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.magentlab.com/api/calc/fong",
        json={
            "items": [
                {
                    "cea_gt_200": False,
                    "dfi_lt_12_months": False,
                    "largest_tumor_gt_5_cm": False,
                    "more_than_one_hepatic_tumor": False,
                    "node_positive_primary": False,
                },
                {
                    "cea_gt_200": False,
                    "dfi_lt_12_months": False,
                    "largest_tumor_gt_5_cm": False,
                    "more_than_one_hepatic_tumor": False,
                    "node_positive_primary": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)