69trust / 100

Calc Osiris

by magent in Security & trust

x402 APIFailing, checked 3 h ago

Sedrine 2002 Osteoporosis Index of Risk (OSIRIS). Index = (-0.2 × age) + (0.2 × weight_kg) + 2 if current HRT + (-2) if prior low-impact fracture. Risk low if score > +1, high if score < -3, intermediate otherwise including exact +1 and -3. Age 18-120; weight_kg or weight_lb; current_hrt and prior_low_impact_fracture true/false. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Western European women.

POST
https://api.magentlab.com/api/calc/osiris
Price
$0.007
per call in USDC
Uptime
97.0%
last 30 days
Response time
184 ms
578 ms slowest 5%
Last check
Failed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 3 h ago: Timed out

Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://api.magentlab.com/api/calc/osiris

Each call costs $0.007 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.magentlab.com/api/calc/osiris
content-type: application/json

{
  "items": [
    {
      "age": 55,
      "current_hrt": true,
      "prior_low_impact_fracture": false,
      "weight_kg": 70,
      "weight_lb": 154.3236
    },
    {
      "age": 55,
      "current_hrt": true,
      "prior_low_impact_fracture": false,
      "weight_kg": 70,
      "weight_lb": 154.3236
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

The provider's example. We can't check it without paying.

Example response, 44 lines
{
  "count": 2,
  "items": [
    {
      "age": 55,
      "citation": {
        "authors": "Sedrine WB, Chevallier T, Zegels B, Kvasz A, Micheletti MC, Gelas B, Reginster JY",
        "doi": "10.1080/gye.16.3.245.250",
        "id": "sedrine-2002",
        "pmid": "12192897",
        "source": "Gynecol Endocrinol. 2002;16(3):245-250",
        "title": "Development and assessment of the Osteoporosis Index of Risk (OSIRIS) to facilitate selection of women for bone densitometry"
      },
      "current_hrt": 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.",
      "formula": "osiris",
      "formula_expression": "OSIRIS = (-0.2 * age) + (0.2 * weight_kg) + (2 if current_hrt) + (-2 if prior_low_impact_fracture); low if score > +1; high if score < -3; intermediate otherwise (including exact +1 and exact -3)",
      "osiris_index": 5,
      "prior_low_impact_fracture": false,
      "risk": "low",
      "weight_kg": 70
    },
    {
      "age": 55,
      "citation": {
        "authors": "Sedrine WB, Chevallier T, Zegels B, Kvasz A, Micheletti MC, Gelas B, Reginster JY",
        "doi": "10.1080/gye.16.3.245.250",
        "id": "sedrine-2002",
        "pmid": "12192897",
        "source": "Gynecol Endocrinol. 2002;16(3):245-250",
        "title": "Development and assessment of the Osteoporosis Index of Risk (OSIRIS) to facilitate selection of women for bone densitometry"
      },
      "current_hrt": 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.",
      "formula": "osiris",
      "formula_expression": "OSIRIS = (-0.2 * age) + (0.2 * weight_kg) + (2 if current_hrt) + (-2 if prior_low_impact_fracture); low if score > +1; high if score < -3; intermediate otherwise (including exact +1 and exact -3)",
      "osiris_index": 5,
      "prior_low_impact_fracture": false,
      "risk": "low",
      "weight_kg": 70
    }
  ],
  "path": "/api/calc/osiris"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.007.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/osiris' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":55,"current_hrt":true,"prior_low_impact_fracture":false,"weight_kg":70,"weight_lb":154.3236},{"age":55,"current_hrt":true,"prior_low_impact_fracture":false,"weight_kg":70,"weight_lb":154.3236}]}'

# 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/osiris' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":55,"current_hrt":true,"prior_low_impact_fracture":false,"weight_kg":70,"weight_lb":154.3236},{"age":55,"current_hrt":true,"prior_low_impact_fracture":false,"weight_kg":70,"weight_lb":154.3236}]}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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%2Fosiris&method=POST
const res = await pay("https://api.magentlab.com/api/calc/osiris", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 55,
        "current_hrt": true,
        "prior_low_impact_fracture": false,
        "weight_kg": 70,
        "weight_lb": 154.3236
      },
      {
        "age": 55,
        "current_hrt": true,
        "prior_low_impact_fracture": false,
        "weight_kg": 70,
        "weight_lb": 154.3236
      }
    ]
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# 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/osiris",
        json={
            "items": [
                {
                    "age": 55,
                    "current_hrt": True,
                    "prior_low_impact_fracture": False,
                    "weight_kg": 70,
                    "weight_lb": 154.3236,
                },
                {
                    "age": 55,
                    "current_hrt": True,
                    "prior_low_impact_fracture": False,
                    "weight_kg": 70,
                    "weight_lb": 154.3236,
                },
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

1 finding

  • Charges more than its listed price in payment
    Listed at $0.005, charges $0.007

Recent checks

WhenResultHTTPTimePrice
3 h agoTimed out---
8 h agoPassed402144 ms$0.007
13 h agoPassed402275 ms$0.007
18 h agoPassed402271 ms$0.007
22 h agoPassed402144 ms$0.007
Show 10 older checks
27 h agoPassed402147 ms$0.007
31 h agoPassed402193 ms$0.007
36 h agoPassed402142 ms$0.007
40 h agoPassed402262 ms$0.007
44 h agoPassed402230 ms$0.007
2 days agoPassed402159 ms$0.007
2 days agoPassed402252 ms$0.007
2 days agoPassed402140 ms$0.007
3 days agoPassed402144 ms$0.007
3 days agoPassed402284 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007