Calc Dli Volume

{
  "count": 2,
  "items": [
    {
      "cd3_fraction": 0.6,
      "cd3_target_per_kg": 10000000,
      "citation": {
        "authors": "Shi PA, Sachais BS, Nandi V, Brochstein JA, Weinberg RS, Zhang J, Yoon EJ",
        "doi": "10.1111/trf.15576",
        "id": "shi-2020-dli",
        "pmid": "31756000",
        "source": "Transfusion. 2020;60(1):133-143",
        "title": "Validation of simple prediction algorithms to consistently achieve CD3+ and postselection CD34+ targets with leukapheresis"
      },
      "collection_efficiency": 0.5,
      "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.",
      "donor_alc_per_ul": 1800,
      "estimated_cd3_per_ul": 1080,
      "formula": "shi_2020",
      "formula_expression": "process_volume_l = (recipient_weight_kg * cd3_target_per_kg * num_infusions) / (0.6 * donor_alc_per_ul * collection_efficiency * 1e6)",
      "num_infusions": 1,
      "process_volume_l": 1.3,
      "recipient_weight_kg": 70,
      "total_cd3_required": 700000000
    },
    {
      "cd3_fraction": 0.6,
      "cd3_target_per_kg": 10000000,
      "citation": {
        "authors": "Shi PA, Sachais BS, Nandi V, Brochstein JA, Weinberg RS, Zhang J, Yoon EJ",
        "doi": "10.1111/trf.15576",
        "id": "shi-2020-dli",
        "pmid": "31756000",
        "source": "Transfusion. 2020;60(1):133-143",
        "title": "Validation of simple prediction algorithms to consistently achieve CD3+ and postselection CD34+ targets with leukapheresis"
      },
      "collection_efficiency": 0.5,
      "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.",
      "donor_alc_per_ul": 1800,
      "estimated_cd3_per_ul": 1080,
      "formula": "shi_2020",
      "formula_expression": "process_volume_l = (recipient_weight_kg * cd3_target_per_kg * num_infusions) / (0.6 * donor_alc_per_ul * collection_efficiency * 1e6)",
      "num_infusions": 1,
      "process_volume_l": 1.3,
      "recipient_weight_kg": 70,
      "total_cd3_required": 700000000
    }
  ],
  "path": "/api/calc/dli_volume"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/dli_volume' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"cd3_target_per_kg":10000000,"collection_efficiency":0.5,"donor_alc_per_ul":1800,"num_infusions":1,"recipient_weight_kg":70},{"cd3_target_per_kg":10000000,"collection_efficiency":0.5,"donor_alc_per_ul":1800,"num_infusions":1,"recipient_weight_kg":70}]}'

# 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/dli_volume' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"cd3_target_per_kg":10000000,"collection_efficiency":0.5,"donor_alc_per_ul":1800,"num_infusions":1,"recipient_weight_kg":70},{"cd3_target_per_kg":10000000,"collection_efficiency":0.5,"donor_alc_per_ul":1800,"num_infusions":1,"recipient_weight_kg":70}]}' \
  | 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%2Fdli_volume&method=POST
const res = await pay("https://api.magentlab.com/api/calc/dli_volume", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "cd3_target_per_kg": 10000000,
        "collection_efficiency": 0.5,
        "donor_alc_per_ul": 1800,
        "num_infusions": 1,
        "recipient_weight_kg": 70
      },
      {
        "cd3_target_per_kg": 10000000,
        "collection_efficiency": 0.5,
        "donor_alc_per_ul": 1800,
        "num_infusions": 1,
        "recipient_weight_kg": 70
      }
    ]
  }),
});
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/dli_volume",
        json={
            "items": [
                {
                    "cd3_target_per_kg": 10000000,
                    "collection_efficiency": 0.5,
                    "donor_alc_per_ul": 1800,
                    "num_infusions": 1,
                    "recipient_weight_kg": 70,
                },
                {
                    "cd3_target_per_kg": 10000000,
                    "collection_efficiency": 0.5,
                    "donor_alc_per_ul": 1800,
                    "num_infusions": 1,
                    "recipient_weight_kg": 70,
                },
            ],
        },
    )
    print(res.status_code, res.text)