Calc Montreal Ibd

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Satsangi J, Silverberg MS, Vermeire S, Colombel JF",
        "doi": "10.1136/gut.2005.082909",
        "id": "satsangi-2006",
        "pmid": "16698746",
        "source": "Gut. 2006;55(6):749-753",
        "title": "The Montreal classification of inflammatory bowel disease: controversies, consensus, and implications"
      },
      "criteria": [
        {
          "factor": "disease_crohn",
          "met": true
        },
        {
          "factor": "disease_uc",
          "met": false
        },
        {
          "factor": "A1",
          "met": false
        },
        {
          "factor": "A2",
          "met": true
        },
        {
          "factor": "A3",
          "met": false
        },
        {
          "factor": "L1",
          "met": false
        },
        {
          "factor": "L2",
          "met": false
        },
        {
          "factor": "L3",
          "met": true
        },
        {
          "factor": "L4",
          "met": false
        },
        {
          "factor": "upper_gi",
          "met": false
        },
        {
          "factor": "B1",
          "met": true
        },
        {
          "factor": "B2",
          "met": false
        },
        {
          "factor": "B3",
          "met": false
        },
        {
          "factor": "perianal",
          "met": false
        }
      ],
      "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.",
      "disease": "crohn",
      "formula": "montreal_ibd",
      "formula_expression": "Crohn phenotype = age_at_diagnosis (A1 ≤16 y, A2 17-40 y, A3 >40 y) + location (L1 ileal, L2 colonic, L3 ileocolonic, L4 isolated upper GI) + optional +L4 when concomitant upper GI with L1-L3 (forbidden when location is isolated L4) + behaviour (B1 non-stricturing non-penetrating, B2 stricturing, B3 penetrating) + optional p when concomitant perianal disease; UC phenotype = extent (E1 ulcerative proctitis distal to the rectosigmoid junction, E2 left-sided distal to the splenic flexure, E3 extensive proximal to the splenic flexure) + severity (S0 clinical remission, S1 mild, S2 moderate, S3 severe as assigned) (Satsangi 2006 Montreal revision of Vienna). Compact string, no spaces. Not a disease-activity score. magent does not perform endoscopy. Not Paris pediatric classification.",
      "phenotype": "A2L3B1"
    },
    {
      "citation": {
        "authors": "Satsangi J, Silverberg MS, Vermeire S, Colombel JF",
        "doi": "10.1136/gut.2005.082909",
        "id": "satsangi-2006",
        "pmid": "16698746",
        "source": "Gut. 2006;55(6):749-753",
        "title": "The Montreal classification of inflammatory bowel disease: controversies, consensus, and implications"
      },
      "criteria": [
        {
          "factor": "disease_crohn",
          "met": true
        },
        {
          "factor": "disease_uc",
          "met": false
        },
        {
          "factor": "A1",
          "met": false
        },
        {
          "factor": "A2",
          "met": true
        },
        {
          "factor": "A3",
          "met": false
        },
        {
          "factor": "L1",
          "met": false
        },
        {
          "factor": "L2",
          "met": false
        },
        {
          "factor": "L3",
          "met": true
        },
        {
          "factor": "L4",
          "met": false
        },
        {
          "factor": "upper_gi",
          "met": false
        },
        {
          "factor": "B1",
          "met": true
        },
        {
          "factor": "B2",
          "met": false
        },
        {
          "factor": "B3",
          "met": false
        },
        {
          "factor": "perianal",
          "met": false
        }
      ],
      "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.",
      "disease": "crohn",
      "formula": "montreal_ibd",
      "formula_expression": "Crohn phenotype = age_at_diagnosis (A1 ≤16 y, A2 17-40 y, A3 >40 y) + location (L1 ileal, L2 colonic, L3 ileocolonic, L4 isolated upper GI) + optional +L4 when concomitant upper GI with L1-L3 (forbidden when location is isolated L4) + behaviour (B1 non-stricturing non-penetrating, B2 stricturing, B3 penetrating) + optional p when concomitant perianal disease; UC phenotype = extent (E1 ulcerative proctitis distal to the rectosigmoid junction, E2 left-sided distal to the splenic flexure, E3 extensive proximal to the splenic flexure) + severity (S0 clinical remission, S1 mild, S2 moderate, S3 severe as assigned) (Satsangi 2006 Montreal revision of Vienna). Compact string, no spaces. Not a disease-activity score. magent does not perform endoscopy. Not Paris pediatric classification.",
      "phenotype": "A2L3B1"
    }
  ],
  "path": "/api/calc/montreal_ibd"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/montreal_ibd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age_at_diagnosis":"A2","behaviour":"B1","disease":"crohn","extent":"E1","location":"L3","perianal":false,"severity":"S0","upper_gi":false},{"age_at_diagnosis":"A2","behaviour":"B1","disease":"crohn","extent":"E1","location":"L3","perianal":false,"severity":"S0","upper_gi":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 - -X POST 'https://api.magentlab.com/api/calc/montreal_ibd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age_at_diagnosis":"A2","behaviour":"B1","disease":"crohn","extent":"E1","location":"L3","perianal":false,"severity":"S0","upper_gi":false},{"age_at_diagnosis":"A2","behaviour":"B1","disease":"crohn","extent":"E1","location":"L3","perianal":false,"severity":"S0","upper_gi":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%2Fmontreal_ibd&method=POST
const res = await pay("https://api.magentlab.com/api/calc/montreal_ibd", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age_at_diagnosis": "A2",
        "behaviour": "B1",
        "disease": "crohn",
        "extent": "E1",
        "location": "L3",
        "perianal": false,
        "severity": "S0",
        "upper_gi": false
      },
      {
        "age_at_diagnosis": "A2",
        "behaviour": "B1",
        "disease": "crohn",
        "extent": "E1",
        "location": "L3",
        "perianal": false,
        "severity": "S0",
        "upper_gi": 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.post(
        "https://api.magentlab.com/api/calc/montreal_ibd",
        json={
            "items": [
                {
                    "age_at_diagnosis": "A2",
                    "behaviour": "B1",
                    "disease": "crohn",
                    "extent": "E1",
                    "location": "L3",
                    "perianal": False,
                    "severity": "S0",
                    "upper_gi": False,
                },
                {
                    "age_at_diagnosis": "A2",
                    "behaviour": "B1",
                    "disease": "crohn",
                    "extent": "E1",
                    "location": "L3",
                    "perianal": False,
                    "severity": "S0",
                    "upper_gi": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)