Calc Rifle

{
  "count": 2,
  "items": [
    {
      "baseline_creatinine_mg_dl": 1,
      "citation": {
        "authors": "Bellomo R, Ronco C, Kellum JA, Mehta RL, Palevsky P, and the ADQI workgroup",
        "doi": "10.1186/cc2872",
        "id": "bellomo-2004",
        "pmid": "15312219",
        "source": "Crit Care. 2004;8(4):R204-R212",
        "title": "Acute renal failure - definition, outcome measures, animal models, fluid therapy and information technology needs: the Second International Consensus Conference of the Acute Dialysis Quality Initiative (ADQI) Group"
      },
      "components": [
        {
          "factor": "creat_class",
          "met": false,
          "value": "none"
        },
        {
          "factor": "uo_class",
          "met": false,
          "value": "none"
        }
      ],
      "creat_class": "none",
      "current_creatinine_mg_dl": 1,
      "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.",
      "esrd_gt_3_months": false,
      "formula": "rifle",
      "formula_expression": "RIFLE class = esrd if ESRD >3 months, else loss if persistent ARF >4 weeks, else worse of creatinine vs urine (none < risk < injury < failure). Creatinine vs baseline (unrounded mg/dL): Failure if ratio ≥3.0 or (current ≥4.0 mg/dL and increase ≥0.5 mg/dL); Injury if ratio ≥2.0; Risk if ratio ≥1.5. GFR % decrease (Risk >25%, Injury >50%, Failure >75%) is equivalent to those creatinine multiples. Urine (caller-assigned): none → none; oliguria_gt_6h → Risk; oliguria_gt_12h → Injury; oliguria_24h_or_anuria_12h → Failure (Bellomo 2004 Fig. 1)",
      "persistent_arf_gt_4_weeks": false,
      "rifle_class": "none",
      "uo_class": "none",
      "urine_output": "none"
    },
    {
      "baseline_creatinine_mg_dl": 1,
      "citation": {
        "authors": "Bellomo R, Ronco C, Kellum JA, Mehta RL, Palevsky P, and the ADQI workgroup",
        "doi": "10.1186/cc2872",
        "id": "bellomo-2004",
        "pmid": "15312219",
        "source": "Crit Care. 2004;8(4):R204-R212",
        "title": "Acute renal failure - definition, outcome measures, animal models, fluid therapy and information technology needs: the Second International Consensus Conference of the Acute Dialysis Quality Initiative (ADQI) Group"
      },
      "components": [
        {
          "factor": "creat_class",
          "met": false,
          "value": "none"
        },
        {
          "factor": "uo_class",
          "met": false,
          "value": "none"
        }
      ],
      "creat_class": "none",
      "current_creatinine_mg_dl": 1,
      "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.",
      "esrd_gt_3_months": false,
      "formula": "rifle",
      "formula_expression": "RIFLE class = esrd if ESRD >3 months, else loss if persistent ARF >4 weeks, else worse of creatinine vs urine (none < risk < injury < failure). Creatinine vs baseline (unrounded mg/dL): Failure if ratio ≥3.0 or (current ≥4.0 mg/dL and increase ≥0.5 mg/dL); Injury if ratio ≥2.0; Risk if ratio ≥1.5. GFR % decrease (Risk >25%, Injury >50%, Failure >75%) is equivalent to those creatinine multiples. Urine (caller-assigned): none → none; oliguria_gt_6h → Risk; oliguria_gt_12h → Injury; oliguria_24h_or_anuria_12h → Failure (Bellomo 2004 Fig. 1)",
      "persistent_arf_gt_4_weeks": false,
      "rifle_class": "none",
      "uo_class": "none",
      "urine_output": "none"
    }
  ],
  "path": "/api/calc/rifle"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/rifle' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"baseline_creatinine_mg_dl":1,"current_creatinine_mg_dl":1,"esrd_gt_3_months":false,"persistent_arf_gt_4_weeks":false,"urine_output":"none"},{"baseline_creatinine_mg_dl":1,"current_creatinine_mg_dl":1,"esrd_gt_3_months":false,"persistent_arf_gt_4_weeks":false,"urine_output":"none"}]}'

# 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/rifle' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"baseline_creatinine_mg_dl":1,"current_creatinine_mg_dl":1,"esrd_gt_3_months":false,"persistent_arf_gt_4_weeks":false,"urine_output":"none"},{"baseline_creatinine_mg_dl":1,"current_creatinine_mg_dl":1,"esrd_gt_3_months":false,"persistent_arf_gt_4_weeks":false,"urine_output":"none"}]}' \
  | 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%2Frifle&method=POST
const res = await pay("https://api.magentlab.com/api/calc/rifle", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "baseline_creatinine_mg_dl": 1,
        "current_creatinine_mg_dl": 1,
        "esrd_gt_3_months": false,
        "persistent_arf_gt_4_weeks": false,
        "urine_output": "none"
      },
      {
        "baseline_creatinine_mg_dl": 1,
        "current_creatinine_mg_dl": 1,
        "esrd_gt_3_months": false,
        "persistent_arf_gt_4_weeks": false,
        "urine_output": "none"
      }
    ]
  }),
});
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/rifle",
        json={
            "items": [
                {
                    "baseline_creatinine_mg_dl": 1,
                    "current_creatinine_mg_dl": 1,
                    "esrd_gt_3_months": False,
                    "persistent_arf_gt_4_weeks": False,
                    "urine_output": "none",
                },
                {
                    "baseline_creatinine_mg_dl": 1,
                    "current_creatinine_mg_dl": 1,
                    "esrd_gt_3_months": False,
                    "persistent_arf_gt_4_weeks": False,
                    "urine_output": "none",
                },
            ],
        },
    )
    print(res.status_code, res.text)