Calc Vaco

{
  "count": 2,
  "items": [
    {
      "age": 40,
      "age_band": "20-50",
      "cci": 0,
      "cci_band": "0",
      "citation": {
        "authors": "King JT Jr, Yoon JS, Rentsch CT, Tate JP, Park LS, Kidwai-Khan F, et al.",
        "doi": "10.1371/journal.pone.0241825",
        "id": "king-2020-vaco",
        "pmid": "33175863",
        "source": "PLoS One. 2020;15(11):e0241825",
        "title": "Development and validation of a 30-day mortality index based on pre-existing medical administrative data from 13,323 COVID-19 patients: The Veterans Health Administration COVID-19 (VACO) Index"
      },
      "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.",
      "estimated_probability_percent": 0.16,
      "formula": "vaco",
      "formula_expression": "lp = intercept + age_term + sex_term + cci_term + mi_pvd_term; probability = exp(lp)/(1+exp(lp)); King 2020 S1 File (PLOS S3); intercept -4.216058062; female 0; male 0.322291449; no MI/PVD 0; MI or PVD 0.267265312; age 20-50 (ages 20-49) -2.228678713, 50-54 0, 55-59 0.400599289, 60-64 0.941322019, 65-69 1.295007128, 70-74 1.629533438, 75-79 1.763345763, 80-89 1.927443543, ge90 2.018752269; age<85 CCI 0 0, 1-3 0.612122574, 4-5 0.825072847, 6-9 0.956099733, ge10 1.395164653; age>=85 any CCI 1.529325519; unadjusted Charlson; not VACS 1.0; not VACS 2.0",
      "logit": -6.444737,
      "mi_pvd": false,
      "sex": "female"
    },
    {
      "age": 40,
      "age_band": "20-50",
      "cci": 0,
      "cci_band": "0",
      "citation": {
        "authors": "King JT Jr, Yoon JS, Rentsch CT, Tate JP, Park LS, Kidwai-Khan F, et al.",
        "doi": "10.1371/journal.pone.0241825",
        "id": "king-2020-vaco",
        "pmid": "33175863",
        "source": "PLoS One. 2020;15(11):e0241825",
        "title": "Development and validation of a 30-day mortality index based on pre-existing medical administrative data from 13,323 COVID-19 patients: The Veterans Health Administration COVID-19 (VACO) Index"
      },
      "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.",
      "estimated_probability_percent": 0.16,
      "formula": "vaco",
      "formula_expression": "lp = intercept + age_term + sex_term + cci_term + mi_pvd_term; probability = exp(lp)/(1+exp(lp)); King 2020 S1 File (PLOS S3); intercept -4.216058062; female 0; male 0.322291449; no MI/PVD 0; MI or PVD 0.267265312; age 20-50 (ages 20-49) -2.228678713, 50-54 0, 55-59 0.400599289, 60-64 0.941322019, 65-69 1.295007128, 70-74 1.629533438, 75-79 1.763345763, 80-89 1.927443543, ge90 2.018752269; age<85 CCI 0 0, 1-3 0.612122574, 4-5 0.825072847, 6-9 0.956099733, ge10 1.395164653; age>=85 any CCI 1.529325519; unadjusted Charlson; not VACS 1.0; not VACS 2.0",
      "logit": -6.444737,
      "mi_pvd": false,
      "sex": "female"
    }
  ],
  "path": "/api/calc/vaco"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/vaco' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":40,"cci":0,"mi_pvd":false,"sex":"female"},{"age":40,"cci":0,"mi_pvd":false,"sex":"female"}]}'

# 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/vaco' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":40,"cci":0,"mi_pvd":false,"sex":"female"},{"age":40,"cci":0,"mi_pvd":false,"sex":"female"}]}' \
  | 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%2Fvaco&method=POST
const res = await pay("https://api.magentlab.com/api/calc/vaco", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 40,
        "cci": 0,
        "mi_pvd": false,
        "sex": "female"
      },
      {
        "age": 40,
        "cci": 0,
        "mi_pvd": false,
        "sex": "female"
      }
    ]
  }),
});
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/vaco",
        json={
            "items": [
                {
                    "age": 40,
                    "cci": 0,
                    "mi_pvd": False,
                    "sex": "female",
                },
                {
                    "age": 40,
                    "cci": 0,
                    "mi_pvd": False,
                    "sex": "female",
                },
            ],
        },
    )
    print(res.status_code, res.text)