Calc Precise Dapt

{
  "count": 2,
  "items": [
    {
      "age_years": 50,
      "citation": {
        "authors": "Costa F, van Klaveren D, James S, et al",
        "doi": "10.1016/S0140-6736(17)30397-5",
        "id": "costa-2017",
        "pmid": "28290994",
        "source": "Lancet. 2017;389(10073):1025-1034",
        "title": "Derivation and validation of the predicting bleeding complications in patients undergoing stent implantation and subsequent dual antiplatelet therapy (PRECISE-DAPT) score: a pooled analysis of individual-patient datasets from clinical trials"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 50
        },
        {
          "factor": "crcl_ml_min",
          "points": 0,
          "present": false,
          "value": 100
        },
        {
          "factor": "hemoglobin_g_dl",
          "points": 0,
          "present": false,
          "value": 12
        },
        {
          "factor": "wbc_k_ul",
          "points": 0,
          "present": false,
          "value": 5
        },
        {
          "factor": "previous_spontaneous_bleeding",
          "points": 0,
          "present": false
        }
      ],
      "crcl_ml_min": 100,
      "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": "precise_dapt",
      "formula_expression": "PRECISE-DAPT = age_points + crcl_points + hemoglobin_points + wbc_points + previous_bleed_points (Costa 2017 Figure 1 nomogram; Table 1 truncated linear terms); age years truncated 50-90 (0 at <=50, 19 at >=90); caller-assigned CrCl mL/min truncated 0-100 (0 at >=100, 25 at 0; magent does not compute Cockcroft-Gault); hemoglobin g/dL truncated 10-12 (0 at >=12, 15 at <=10); WBC x10^3 cells/uL truncated 5-20 (0 at <=5, 15 at >=20); previous spontaneous bleeding 26 if true else 0; integer score is the rounded sum (0-100); high_bleeding_risk iff score >=25",
      "hemoglobin_g_dl": 12,
      "high_bleeding_risk": false,
      "max_score": 100,
      "previous_spontaneous_bleeding": false,
      "score": 0,
      "wbc_k_ul": 5
    },
    {
      "age_years": 50,
      "citation": {
        "authors": "Costa F, van Klaveren D, James S, et al",
        "doi": "10.1016/S0140-6736(17)30397-5",
        "id": "costa-2017",
        "pmid": "28290994",
        "source": "Lancet. 2017;389(10073):1025-1034",
        "title": "Derivation and validation of the predicting bleeding complications in patients undergoing stent implantation and subsequent dual antiplatelet therapy (PRECISE-DAPT) score: a pooled analysis of individual-patient datasets from clinical trials"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 50
        },
        {
          "factor": "crcl_ml_min",
          "points": 0,
          "present": false,
          "value": 100
        },
        {
          "factor": "hemoglobin_g_dl",
          "points": 0,
          "present": false,
          "value": 12
        },
        {
          "factor": "wbc_k_ul",
          "points": 0,
          "present": false,
          "value": 5
        },
        {
          "factor": "previous_spontaneous_bleeding",
          "points": 0,
          "present": false
        }
      ],
      "crcl_ml_min": 100,
      "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": "precise_dapt",
      "formula_expression": "PRECISE-DAPT = age_points + crcl_points + hemoglobin_points + wbc_points + previous_bleed_points (Costa 2017 Figure 1 nomogram; Table 1 truncated linear terms); age years truncated 50-90 (0 at <=50, 19 at >=90); caller-assigned CrCl mL/min truncated 0-100 (0 at >=100, 25 at 0; magent does not compute Cockcroft-Gault); hemoglobin g/dL truncated 10-12 (0 at >=12, 15 at <=10); WBC x10^3 cells/uL truncated 5-20 (0 at <=5, 15 at >=20); previous spontaneous bleeding 26 if true else 0; integer score is the rounded sum (0-100); high_bleeding_risk iff score >=25",
      "hemoglobin_g_dl": 12,
      "high_bleeding_risk": false,
      "max_score": 100,
      "previous_spontaneous_bleeding": false,
      "score": 0,
      "wbc_k_ul": 5
    }
  ],
  "path": "/api/calc/precise_dapt"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/precise_dapt' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":50,"crcl_ml_min":100,"hemoglobin_g_dl":12,"previous_spontaneous_bleeding":false,"wbc_k_ul":5},{"age":50,"crcl_ml_min":100,"hemoglobin_g_dl":12,"previous_spontaneous_bleeding":false,"wbc_k_ul":5}]}'

# 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/precise_dapt' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":50,"crcl_ml_min":100,"hemoglobin_g_dl":12,"previous_spontaneous_bleeding":false,"wbc_k_ul":5},{"age":50,"crcl_ml_min":100,"hemoglobin_g_dl":12,"previous_spontaneous_bleeding":false,"wbc_k_ul":5}]}' \
  | 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%2Fprecise_dapt&method=POST
const res = await pay("https://api.magentlab.com/api/calc/precise_dapt", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 50,
        "crcl_ml_min": 100,
        "hemoglobin_g_dl": 12,
        "previous_spontaneous_bleeding": false,
        "wbc_k_ul": 5
      },
      {
        "age": 50,
        "crcl_ml_min": 100,
        "hemoglobin_g_dl": 12,
        "previous_spontaneous_bleeding": false,
        "wbc_k_ul": 5
      }
    ]
  }),
});
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/precise_dapt",
        json={
            "items": [
                {
                    "age": 50,
                    "crcl_ml_min": 100,
                    "hemoglobin_g_dl": 12,
                    "previous_spontaneous_bleeding": False,
                    "wbc_k_ul": 5,
                },
                {
                    "age": 50,
                    "crcl_ml_min": 100,
                    "hemoglobin_g_dl": 12,
                    "previous_spontaneous_bleeding": False,
                    "wbc_k_ul": 5,
                },
            ],
        },
    )
    print(res.status_code, res.text)