Calc Rasp

{
  "count": 2,
  "items": [
    {
      "basic_risk": 0.001,
      "citation": {
        "authors": "Vertesi L",
        "doi": "10.1017/S1481803500008113",
        "id": "vertesi-2003",
        "pmid": "12630044",
        "source": "CJEM. 2003;5(1):46-48",
        "title": "Risk Assessment Stratification Protocol (RASP) to help patients decide on the use of postexposure prophylaxis for HIV exposure"
      },
      "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": "rasp",
      "formula_expression": "Z = A * B * C; basic_risk = 1/Z; total_risk = basic_risk * D; Vertesi 2003 Figure 1 exclusive A source, B inoculum, C transmission, D volume; Table 2 <1/1000 definitely indicated; 1/1000-1/10 000 recommended but optional; 1/10 001-1/100 000 optional but not recommended; >1/100 000 not indicated",
      "inoculum_type": "fresh_blood",
      "inoculum_type_score": 1,
      "inoculum_volume": "small_small_bore_lt_22g",
      "risk_level": "definitely_indicated",
      "risk_one_in": 333,
      "source_population": "known_hiv_asymptomatic",
      "source_score": 10,
      "suggested_treatment": "Definitely indicated",
      "total_risk": 0.003,
      "transmission": "deep_transcutaneous_visible_bleeding",
      "transmission_score": 100,
      "volume_modifier": 3,
      "z": 1000
    },
    {
      "basic_risk": 0.001,
      "citation": {
        "authors": "Vertesi L",
        "doi": "10.1017/S1481803500008113",
        "id": "vertesi-2003",
        "pmid": "12630044",
        "source": "CJEM. 2003;5(1):46-48",
        "title": "Risk Assessment Stratification Protocol (RASP) to help patients decide on the use of postexposure prophylaxis for HIV exposure"
      },
      "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": "rasp",
      "formula_expression": "Z = A * B * C; basic_risk = 1/Z; total_risk = basic_risk * D; Vertesi 2003 Figure 1 exclusive A source, B inoculum, C transmission, D volume; Table 2 <1/1000 definitely indicated; 1/1000-1/10 000 recommended but optional; 1/10 001-1/100 000 optional but not recommended; >1/100 000 not indicated",
      "inoculum_type": "fresh_blood",
      "inoculum_type_score": 1,
      "inoculum_volume": "small_small_bore_lt_22g",
      "risk_level": "definitely_indicated",
      "risk_one_in": 333,
      "source_population": "known_hiv_asymptomatic",
      "source_score": 10,
      "suggested_treatment": "Definitely indicated",
      "total_risk": 0.003,
      "transmission": "deep_transcutaneous_visible_bleeding",
      "transmission_score": 100,
      "volume_modifier": 3,
      "z": 1000
    }
  ],
  "path": "/api/calc/rasp"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/rasp' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"inoculum_type":"fresh_blood","inoculum_volume":"small_small_bore_lt_22g","source_population":"known_hiv_asymptomatic","transmission":"deep_transcutaneous_visible_bleeding"},{"inoculum_type":"fresh_blood","inoculum_volume":"small_small_bore_lt_22g","source_population":"known_hiv_asymptomatic","transmission":"deep_transcutaneous_visible_bleeding"}]}'

# 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/rasp' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"inoculum_type":"fresh_blood","inoculum_volume":"small_small_bore_lt_22g","source_population":"known_hiv_asymptomatic","transmission":"deep_transcutaneous_visible_bleeding"},{"inoculum_type":"fresh_blood","inoculum_volume":"small_small_bore_lt_22g","source_population":"known_hiv_asymptomatic","transmission":"deep_transcutaneous_visible_bleeding"}]}' \
  | 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%2Frasp&method=POST
const res = await pay("https://api.magentlab.com/api/calc/rasp", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "inoculum_type": "fresh_blood",
        "inoculum_volume": "small_small_bore_lt_22g",
        "source_population": "known_hiv_asymptomatic",
        "transmission": "deep_transcutaneous_visible_bleeding"
      },
      {
        "inoculum_type": "fresh_blood",
        "inoculum_volume": "small_small_bore_lt_22g",
        "source_population": "known_hiv_asymptomatic",
        "transmission": "deep_transcutaneous_visible_bleeding"
      }
    ]
  }),
});
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/rasp",
        json={
            "items": [
                {
                    "inoculum_type": "fresh_blood",
                    "inoculum_volume": "small_small_bore_lt_22g",
                    "source_population": "known_hiv_asymptomatic",
                    "transmission": "deep_transcutaneous_visible_bleeding",
                },
                {
                    "inoculum_type": "fresh_blood",
                    "inoculum_volume": "small_small_bore_lt_22g",
                    "source_population": "known_hiv_asymptomatic",
                    "transmission": "deep_transcutaneous_visible_bleeding",
                },
            ],
        },
    )
    print(res.status_code, res.text)