Calc Fluid Io

{
  "count": 2,
  "items": [
    {
      "balance_label": "positive",
      "citation": {
        "authors": "Acheampong A, Vincent JL",
        "doi": "10.1186/s13054-015-0970-1",
        "id": "acheampong-2015",
        "pmid": "26073560",
        "source": "Crit Care. 2015;19(1):251",
        "title": "A positive fluid balance is an independent prognostic factor in patients with sepsis"
      },
      "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": "acheampong_2015",
      "formula_expression": "net_balance_ml = total_intake_ml - total_output_ml",
      "net_balance_ml": 700,
      "total_intake_ml": 2500,
      "total_output_ml": 1800
    },
    {
      "balance_label": "positive",
      "citation": {
        "authors": "Acheampong A, Vincent JL",
        "doi": "10.1186/s13054-015-0970-1",
        "id": "acheampong-2015",
        "pmid": "26073560",
        "source": "Crit Care. 2015;19(1):251",
        "title": "A positive fluid balance is an independent prognostic factor in patients with sepsis"
      },
      "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": "acheampong_2015",
      "formula_expression": "net_balance_ml = total_intake_ml - total_output_ml",
      "net_balance_ml": 700,
      "total_intake_ml": 2500,
      "total_output_ml": 1800
    }
  ],
  "path": "/api/calc/fluid_io"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/fluid_io' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"drain_output_ml":200,"gi_output_ml":100,"iv_intake_ml":2000,"oral_intake_ml":500,"total_intake_ml":2500,"total_output_ml":1800,"ultrafiltration_ml":0,"urine_output_ml":1500},{"drain_output_ml":200,"gi_output_ml":100,"iv_intake_ml":2000,"oral_intake_ml":500,"total_intake_ml":2500,"total_output_ml":1800,"ultrafiltration_ml":0,"urine_output_ml":1500}]}'

# 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/fluid_io' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"drain_output_ml":200,"gi_output_ml":100,"iv_intake_ml":2000,"oral_intake_ml":500,"total_intake_ml":2500,"total_output_ml":1800,"ultrafiltration_ml":0,"urine_output_ml":1500},{"drain_output_ml":200,"gi_output_ml":100,"iv_intake_ml":2000,"oral_intake_ml":500,"total_intake_ml":2500,"total_output_ml":1800,"ultrafiltration_ml":0,"urine_output_ml":1500}]}' \
  | 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%2Ffluid_io&method=POST
const res = await pay("https://api.magentlab.com/api/calc/fluid_io", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "drain_output_ml": 200,
        "gi_output_ml": 100,
        "iv_intake_ml": 2000,
        "oral_intake_ml": 500,
        "total_intake_ml": 2500,
        "total_output_ml": 1800,
        "ultrafiltration_ml": 0,
        "urine_output_ml": 1500
      },
      {
        "drain_output_ml": 200,
        "gi_output_ml": 100,
        "iv_intake_ml": 2000,
        "oral_intake_ml": 500,
        "total_intake_ml": 2500,
        "total_output_ml": 1800,
        "ultrafiltration_ml": 0,
        "urine_output_ml": 1500
      }
    ]
  }),
});
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/fluid_io",
        json={
            "items": [
                {
                    "drain_output_ml": 200,
                    "gi_output_ml": 100,
                    "iv_intake_ml": 2000,
                    "oral_intake_ml": 500,
                    "total_intake_ml": 2500,
                    "total_output_ml": 1800,
                    "ultrafiltration_ml": 0,
                    "urine_output_ml": 1500,
                },
                {
                    "drain_output_ml": 200,
                    "gi_output_ml": 100,
                    "iv_intake_ml": 2000,
                    "oral_intake_ml": 500,
                    "total_intake_ml": 2500,
                    "total_output_ml": 1800,
                    "ultrafiltration_ml": 0,
                    "urine_output_ml": 1500,
                },
            ],
        },
    )
    print(res.status_code, res.text)