Calc Astct Crs

{
  "citation": {
    "authors": "Lee DW, Santomasso BD, Locke FL, Ghobadi A, Turtle CJ, Brudno JN, Maus MV, Park JH, Mead E, Pavletic S, Go WY, Eldjerou L, Gardner RA, Frey N, Curran KJ, Peggs K, Pasquini M, DiPersio JF, van den Brink MRM, Komanduri KV, Grupp SA, Neelapu SS",
    "doi": "10.1016/j.bbmt.2018.12.758",
    "id": "lee-2019",
    "pmid": "30592986",
    "source": "Biol Blood Marrow Transplant. 2019;25(4):625-638",
    "title": "ASTCT Consensus Grading for Cytokine Release Syndrome and Neurologic Toxicity Associated with Immune Effector Cells"
  },
  "criteria": [
    {
      "factor": "fever_or_waived",
      "met": true
    },
    {
      "factor": "hypotension_none",
      "met": true,
      "value": "none"
    },
    {
      "factor": "hypotension_no_vasopressors",
      "met": false
    },
    {
      "factor": "hypotension_one_vasopressor",
      "met": false
    },
    {
      "factor": "hypotension_multiple_vasopressors",
      "met": false
    },
    {
      "factor": "hypoxia_none",
      "met": true,
      "value": "none"
    },
    {
      "factor": "hypoxia_low_flow",
      "met": false
    },
    {
      "factor": "hypoxia_high_flow",
      "met": false
    },
    {
      "factor": "hypoxia_positive_pressure",
      "met": false
    }
  ],
  "crs": true,
  "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.",
  "fever": true,
  "fever_waived": false,
  "formula": "astct_crs",
  "formula_expression": "Lee 2019 ASTCT CRS Table 1. fever is temperature ≥38°C not attributable to another cause. fever_waived true if CRS already treated with antipyretic/tocilizumab/steroids so fever is no longer required. hypotension none | no_vasopressors | one_vasopressor (with or without vasopressin) | multiple_vasopressors (excluding vasopressin). hypoxia none | low_flow (≤6 L/min nasal cannula or blow-by) | high_flow (>6 L/min, facemask, NRB, or Venturi) | positive_pressure (CPAP/BiPAP/intubation). Grade is the more severe of hypotension vs hypoxia: both none → 1 if fever or fever_waived else 0 (crs false); no_vasopressors or low_flow → 2; one_vasopressor or high_flow → 3; multiple_vasopressors or positive_pressure → 4. Organ toxicities do not influence grade. Not ICANS",
  "grade": 1,
  "hypotension": "none",
  "hypotension_grade": 0,
  "hypoxia": "none",
  "hypoxia_grade": 0
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/astct_crs?fever=true&fever_waived=false&hypotension=none&hypoxia=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 - 'https://api.magentlab.com/api/calc/astct_crs?fever=true&fever_waived=false&hypotension=none&hypoxia=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 $0.005 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%2Fastct_crs
const res = await pay("https://api.magentlab.com/api/calc/astct_crs?fever=true&fever_waived=false&hypotension=none&hypoxia=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 $0.005 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/astct_crs?fever=true&fever_waived=false&hypotension=none&hypoxia=none")
    print(res.status_code, res.text)