Calc Orai

{
  "count": 2,
  "items": [
    {
      "age": 70,
      "age_score": 9,
      "citation": {
        "authors": "Cadarette SM, Jaglal SB, Kreiger N, McIsaac WJ, Darlington GA, Tu JV",
        "id": "cadarette-2000",
        "pmid": "10813010",
        "source": "CMAJ. 2000;162(9):1289-1294",
        "title": "Development and validation of the Osteoporosis Risk Assessment Instrument to facilitate selection of women for bone densitometry"
      },
      "components": [
        {
          "factor": "age",
          "points": 9,
          "present": true,
          "value": 70
        },
        {
          "factor": "weight",
          "points": 3,
          "present": true,
          "value": 65
        },
        {
          "factor": "no_current_estrogen",
          "points": 0,
          "present": false,
          "value": true
        }
      ],
      "current_estrogen": 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.",
      "estrogen_score": 0,
      "formula": "orai",
      "formula_expression": "ORAI = age_score + weight_score + estrogen_score; age >=75 -> 15, 65-74 -> 9, 55-64 -> 5, 45-54 -> 0; weight <60 kg -> 9, 60-69 kg -> 3, >=70 kg -> 0; current_estrogen false -> 2, true -> 0; max 26; select_for_dxa iff score>=9",
      "max_score": 26,
      "orai_band": "select_for_dxa",
      "score": 12,
      "weight_kg": 65,
      "weight_score": 3
    },
    {
      "age": 70,
      "age_score": 9,
      "citation": {
        "authors": "Cadarette SM, Jaglal SB, Kreiger N, McIsaac WJ, Darlington GA, Tu JV",
        "id": "cadarette-2000",
        "pmid": "10813010",
        "source": "CMAJ. 2000;162(9):1289-1294",
        "title": "Development and validation of the Osteoporosis Risk Assessment Instrument to facilitate selection of women for bone densitometry"
      },
      "components": [
        {
          "factor": "age",
          "points": 9,
          "present": true,
          "value": 70
        },
        {
          "factor": "weight",
          "points": 3,
          "present": true,
          "value": 65
        },
        {
          "factor": "no_current_estrogen",
          "points": 0,
          "present": false,
          "value": true
        }
      ],
      "current_estrogen": 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.",
      "estrogen_score": 0,
      "formula": "orai",
      "formula_expression": "ORAI = age_score + weight_score + estrogen_score; age >=75 -> 15, 65-74 -> 9, 55-64 -> 5, 45-54 -> 0; weight <60 kg -> 9, 60-69 kg -> 3, >=70 kg -> 0; current_estrogen false -> 2, true -> 0; max 26; select_for_dxa iff score>=9",
      "max_score": 26,
      "orai_band": "select_for_dxa",
      "score": 12,
      "weight_kg": 65,
      "weight_score": 3
    }
  ],
  "path": "/api/calc/orai"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/orai' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":70,"current_estrogen":true,"weight_kg":65,"weight_lb":143},{"age":70,"current_estrogen":true,"weight_kg":65,"weight_lb":143}]}'

# 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/orai' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":70,"current_estrogen":true,"weight_kg":65,"weight_lb":143},{"age":70,"current_estrogen":true,"weight_kg":65,"weight_lb":143}]}' \
  | 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%2Forai&method=POST
const res = await pay("https://api.magentlab.com/api/calc/orai", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 70,
        "current_estrogen": true,
        "weight_kg": 65,
        "weight_lb": 143
      },
      {
        "age": 70,
        "current_estrogen": true,
        "weight_kg": 65,
        "weight_lb": 143
      }
    ]
  }),
});
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/orai",
        json={
            "items": [
                {
                    "age": 70,
                    "current_estrogen": True,
                    "weight_kg": 65,
                    "weight_lb": 143,
                },
                {
                    "age": 70,
                    "current_estrogen": True,
                    "weight_kg": 65,
                    "weight_lb": 143,
                },
            ],
        },
    )
    print(res.status_code, res.text)