Calc Plasmic

{
  "active_cancer": false,
  "citation": {
    "authors": "Bendapudi PK, Hurwitz S, Fry A, et al.",
    "doi": "10.1016/S2352-3026(17)30026-1",
    "id": "bendapudi-2017",
    "pmid": "28259520",
    "source": "Lancet Haematol. 2017;4(4):e157-e164",
    "title": "Derivation and external validation of the PLASMIC score for rapid assessment of adults with thrombotic microangiopathies: a cohort study"
  },
  "components": [
    {
      "factor": "platelets_lt_30",
      "points": 1,
      "present": true,
      "value": 15
    },
    {
      "factor": "hemolysis",
      "points": 1,
      "present": true
    },
    {
      "factor": "no_active_cancer",
      "points": 1,
      "present": true
    },
    {
      "factor": "no_solid_organ_or_stem_cell_transplant",
      "points": 1,
      "present": true
    },
    {
      "factor": "mcv_lt_90",
      "points": 1,
      "present": true,
      "value": 85
    },
    {
      "factor": "inr_lt_1_5",
      "points": 1,
      "present": true,
      "value": 1.1
    },
    {
      "factor": "creatinine_lt_2",
      "points": 1,
      "present": true,
      "value": 1
    }
  ],
  "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.",
  "formula": "plasmic",
  "formula_expression": "PLASMIC = (platelets_10e9_l<30) + hemolysis + (not active_cancer) + (not solid_organ_or_stem_cell_transplant) + (mcv_fl<90) + (inr<1.5) + (creatinine_mg_dl<2.0); each 1; max 7; bands 0-4 / 5 / 6-7",
  "hemolysis": true,
  "inr": 1.1,
  "max_score": 7,
  "mcv_fl": 85,
  "plasmic_band": "6-7",
  "platelets_10e9_l": 15,
  "score": 7,
  "solid_organ_or_stem_cell_transplant": false
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/plasmic?active_cancer=false&creatinine_mg_dl=1&creatinine_umol_l=88.4&hemolysis=true&inr=1.1&mcv_fl=85&platelets_10e9_l=15&solid_organ_or_stem_cell_transplant=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 - 'https://api.magentlab.com/api/calc/plasmic?active_cancer=false&creatinine_mg_dl=1&creatinine_umol_l=88.4&hemolysis=true&inr=1.1&mcv_fl=85&platelets_10e9_l=15&solid_organ_or_stem_cell_transplant=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 $0.005 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%2Fplasmic
const res = await pay("https://api.magentlab.com/api/calc/plasmic?active_cancer=false&creatinine_mg_dl=1&creatinine_umol_l=88.4&hemolysis=true&inr=1.1&mcv_fl=85&platelets_10e9_l=15&solid_organ_or_stem_cell_transplant=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 $0.005 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/plasmic?active_cancer=false&creatinine_mg_dl=1&creatinine_umol_l=88.4&hemolysis=true&inr=1.1&mcv_fl=85&platelets_10e9_l=15&solid_organ_or_stem_cell_transplant=false")
    print(res.status_code, res.text)