Calc Ohts

{
  "count": 2,
  "items": [
    {
      "age": 55,
      "cct_microns": 540,
      "citation": {
        "authors": "Ocular Hypertension Treatment Study Group; European Glaucoma Prevention Study Group; Gordon MO, Torri V, Miglior S, Beiser JA, Floriani I, Miller JP, Gao F, Adamsons I, Poli D, D'Agostino RB, Kass MA",
        "doi": "10.1016/j.ophtha.2006.08.031",
        "id": "ohts-egps-2007",
        "pmid": "17070597",
        "source": "Ophthalmology. 2007;114(1):10-19",
        "title": "A validated prediction model for the development of primary open-angle glaucoma in individuals with ocular hypertension"
      },
      "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": "ohts",
      "formula_expression": "OHTS-EGPS 2007 Table 6 points: age <45=0, 45 to <55=1, 55 to <65=2, 65 to <75=3, >=75=4; mean IOP mm Hg <22=0, 22 to <24=1, 24 to <26=2, 26 to <28=3, >=28=4; mean CCT microns >=600=0, 576 to <600=1, 551 to <576=2, 526 to <551=3, <=525=4; mean vertical cup-disc ratio <0.3=0, 0.3 to <0.4=1, 0.4 to <0.5=2, 0.5 to <0.6=3, >=0.6=4; mean Humphrey PSD dB <1.8=0, 1.8 to <2.0=1, 2 to <2.4=2, 2.4 to <2.8=3, >=2.8=4; sum 0-6 -> 4.0% (<=4.0%), 7-8 -> 10%, 9-10 -> 15%, 11-12 -> 20%, >12 -> 33% (>=33%); no race; no diabetes; not a glaucoma diagnosis",
      "iop_mm_hg": 24,
      "points": 11,
      "psd_db": 2.2,
      "risk_5y_percent": 20,
      "vertical_cd_ratio": 0.4
    },
    {
      "age": 55,
      "cct_microns": 540,
      "citation": {
        "authors": "Ocular Hypertension Treatment Study Group; European Glaucoma Prevention Study Group; Gordon MO, Torri V, Miglior S, Beiser JA, Floriani I, Miller JP, Gao F, Adamsons I, Poli D, D'Agostino RB, Kass MA",
        "doi": "10.1016/j.ophtha.2006.08.031",
        "id": "ohts-egps-2007",
        "pmid": "17070597",
        "source": "Ophthalmology. 2007;114(1):10-19",
        "title": "A validated prediction model for the development of primary open-angle glaucoma in individuals with ocular hypertension"
      },
      "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": "ohts",
      "formula_expression": "OHTS-EGPS 2007 Table 6 points: age <45=0, 45 to <55=1, 55 to <65=2, 65 to <75=3, >=75=4; mean IOP mm Hg <22=0, 22 to <24=1, 24 to <26=2, 26 to <28=3, >=28=4; mean CCT microns >=600=0, 576 to <600=1, 551 to <576=2, 526 to <551=3, <=525=4; mean vertical cup-disc ratio <0.3=0, 0.3 to <0.4=1, 0.4 to <0.5=2, 0.5 to <0.6=3, >=0.6=4; mean Humphrey PSD dB <1.8=0, 1.8 to <2.0=1, 2 to <2.4=2, 2.4 to <2.8=3, >=2.8=4; sum 0-6 -> 4.0% (<=4.0%), 7-8 -> 10%, 9-10 -> 15%, 11-12 -> 20%, >12 -> 33% (>=33%); no race; no diabetes; not a glaucoma diagnosis",
      "iop_mm_hg": 24,
      "points": 11,
      "psd_db": 2.2,
      "risk_5y_percent": 20,
      "vertical_cd_ratio": 0.4
    }
  ],
  "path": "/api/calc/ohts"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/ohts' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":55,"cct_microns":540,"iop_mm_hg":24,"psd_db":2.2,"vertical_cd_ratio":0.4},{"age":55,"cct_microns":540,"iop_mm_hg":24,"psd_db":2.2,"vertical_cd_ratio":0.4}]}'

# 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/ohts' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":55,"cct_microns":540,"iop_mm_hg":24,"psd_db":2.2,"vertical_cd_ratio":0.4},{"age":55,"cct_microns":540,"iop_mm_hg":24,"psd_db":2.2,"vertical_cd_ratio":0.4}]}' \
  | 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%2Fohts&method=POST
const res = await pay("https://api.magentlab.com/api/calc/ohts", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 55,
        "cct_microns": 540,
        "iop_mm_hg": 24,
        "psd_db": 2.2,
        "vertical_cd_ratio": 0.4
      },
      {
        "age": 55,
        "cct_microns": 540,
        "iop_mm_hg": 24,
        "psd_db": 2.2,
        "vertical_cd_ratio": 0.4
      }
    ]
  }),
});
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/ohts",
        json={
            "items": [
                {
                    "age": 55,
                    "cct_microns": 540,
                    "iop_mm_hg": 24,
                    "psd_db": 2.2,
                    "vertical_cd_ratio": 0.4,
                },
                {
                    "age": 55,
                    "cct_microns": 540,
                    "iop_mm_hg": 24,
                    "psd_db": 2.2,
                    "vertical_cd_ratio": 0.4,
                },
            ],
        },
    )
    print(res.status_code, res.text)