ToolVet
67trust / 100

Calc Fracture Index

by magent in Other

x402 APIFailing, checked 44 min ago

Black 2001 FRACTURE Index with known total-hip T-score. Age <65 0 through >=85 5. T >= -1 0; -2 <= T < -1 2; -2.5 <= T < -2 3; T < -2.5 4. Fracture after 50, maternal hip after 50, weight <=125 lb, smoker +1 each; arms to stand +2. Max 15. 5-year hip/vertebral/nonvertebral percents from printed quintiles 1-2, 3-4, 5, 6-7, 8-13. Age 18-120; T -5.0 to 4.0. Not a device, not FRAX, not a DXA order. Postmenopausal derivation; magent does not DXA-scan or take a history.

POST
https://api.magentlab.com/api/calc/fracture_index
Price
$0.007
per call in USDC
Uptime
91.4%
last 30 days
Response time
163 ms
490 ms slowest 5%
Last check
Failed
44 min ago, next in 17 min

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 44 min ago: Timed out

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

How to call it

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

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/fracture_index
content-type: application/json

{
  "items": [
    {
      "age": 60,
      "arms_to_stand": false,
      "bmd_t_score": -0.5,
      "current_smoker": false,
      "fracture_after_50": false,
      "maternal_hip_fracture_after_50": false,
      "weight_le_125_lb": false
    },
    {
      "age": 60,
      "arms_to_stand": false,
      "bmd_t_score": -0.5,
      "current_smoker": false,
      "fracture_after_50": false,
      "maternal_hip_fracture_after_50": false,
      "weight_le_125_lb": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 140 lines
{
  "count": 2,
  "items": [
    {
      "age": 60,
      "age_score": 0,
      "arms_to_stand": false,
      "bmd_t_score": -0.5,
      "citation": {
        "authors": "Black DM, Steinbuch M, Palermo L, et al.",
        "doi": "10.1007/s001980170072",
        "id": "black-2001",
        "pmid": "11527048",
        "source": "Osteoporos Int. 2001;12(7):519-528",
        "title": "An assessment tool for predicting fracture risk in postmenopausal women"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "bmd_t_score",
          "points": 0,
          "present": false,
          "value": -0.5
        },
        {
          "factor": "fracture_after_50",
          "points": 0,
          "present": false
        },
        {
          "factor": "maternal_hip_fracture_after_50",
          "points": 0,
          "present": false
        },
        {
          "factor": "weight_le_125_lb",
          "points": 0,
          "present": false
        },
        {
          "factor": "current_smoker",
          "points": 0,
          "present": false
        },
        {
          "factor": "arms_to_stand",
          "points": 0,
          "present": false
        }
      ],
      "current_smoker": 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.",
      "formula": "fracture_index",
      "formula_expression": "FRACTURE Index (with BMD) = age (<65 0, 65-69 1, 70-74 2, 75-79 3, 80-84 4, >=85 5) + total_hip_T (>= -1 0, -2 <= T < -1 2, -2.5 <= T < -2 3, T < -2.5 4) + fracture_after_50 1 + maternal_hip_fracture_after_50 1 + weight_le_125_lb 1 + current_smoker 1 + arms_to_stand 2; Black 2001; max 15; 5-year hip/vertebral/nonvertebral percents by printed quintiles 1-2, 3-4, 5, 6-7, 8-13 (score >=8 maps to 8-13); score 0 unpublished",
      "fracture_after_50": false,
      "hip_risk_5y_percent": null,
      "maternal_hip_fracture_after_50": false,
      "max_score": 15,
      "nonvertebral_risk_5y_percent": null,
      "score": 0,
      "score_group": null,
      "t_score_points": 0,
      "vertebral_risk_5y_percent": null,
      "weight_le_125_lb": false
    },
    {
      "age": 60,
      "age_score": 0,
      "arms_to_stand": false,
      "bmd_t_score": -0.5,
      "citation": {
        "authors": "Black DM, Steinbuch M, Palermo L, et al.",
        "doi": "10.1007/s001980170072",
        "id": "black-2001",
        "pmid": "11527048",
        "source": "Osteoporos Int. 2001;12(7):519-528",
        "title": "An assessment tool for predicting fracture risk in postmenopausal women"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "bmd_t_score",
          "points": 0,
          "present": false,
          "value": -0.5
        },
        {
          "factor": "fracture_after_50",
          "points": 0,
          "present": false
        },
        {
          "factor": "maternal_hip_fracture_after_50",
          "points": 0,
          "present": false
        },
        {
          "factor": "weight_le_125_lb",
          "points": 0,
          "present": false
        },
        {
          "factor": "current_smoker",
          "points": 0,
          "present": false
        },
        {
          "factor": "arms_to_stand",
          "points": 0,
          "present": false
        }
      ],
      "current_smoker": 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.",
      "formula": "fracture_index",
      "formula_expression": "FRACTURE Index (with BMD) = age (<65 0, 65-69 1, 70-74 2, 75-79 3, 80-84 4, >=85 5) + total_hip_T (>= -1 0, -2 <= T < -1 2, -2.5 <= T < -2 3, T < -2.5 4) + fracture_after_50 1 + maternal_hip_fracture_after_50 1 + weight_le_125_lb 1 + current_smoker 1 + arms_to_stand 2; Black 2001; max 15; 5-year hip/vertebral/nonvertebral percents by printed quintiles 1-2, 3-4, 5, 6-7, 8-13 (score >=8 maps to 8-13); score 0 unpublished",
      "fracture_after_50": false,
      "hip_risk_5y_percent": null,
      "maternal_hip_fracture_after_50": false,
      "max_score": 15,
      "nonvertebral_risk_5y_percent": null,
      "score": 0,
      "score_group": null,
      "t_score_points": 0,
      "vertebral_risk_5y_percent": null,
      "weight_le_125_lb": false
    }
  ],
  "path": "/api/calc/fracture_index"
}

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/fracture_index' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"arms_to_stand":false,"bmd_t_score":-0.5,"current_smoker":false,"fracture_after_50":false,"maternal_hip_fracture_after_50":false,"weight_le_125_lb":false},{"age":60,"arms_to_stand":false,"bmd_t_score":-0.5,"current_smoker":false,"fracture_after_50":false,"maternal_hip_fracture_after_50":false,"weight_le_125_lb":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/fracture_index' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"arms_to_stand":false,"bmd_t_score":-0.5,"current_smoker":false,"fracture_after_50":false,"maternal_hip_fracture_after_50":false,"weight_le_125_lb":false},{"age":60,"arms_to_stand":false,"bmd_t_score":-0.5,"current_smoker":false,"fracture_after_50":false,"maternal_hip_fracture_after_50":false,"weight_le_125_lb":false}]}' \
  | 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%2Ffracture_index&method=POST
const res = await pay("https://api.magentlab.com/api/calc/fracture_index", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 60,
        "arms_to_stand": false,
        "bmd_t_score": -0.5,
        "current_smoker": false,
        "fracture_after_50": false,
        "maternal_hip_fracture_after_50": false,
        "weight_le_125_lb": false
      },
      {
        "age": 60,
        "arms_to_stand": false,
        "bmd_t_score": -0.5,
        "current_smoker": false,
        "fracture_after_50": false,
        "maternal_hip_fracture_after_50": false,
        "weight_le_125_lb": false
      }
    ]
  }),
});
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/fracture_index",
        json={
            "items": [
                {
                    "age": 60,
                    "arms_to_stand": False,
                    "bmd_t_score": -0.5,
                    "current_smoker": False,
                    "fracture_after_50": False,
                    "maternal_hip_fracture_after_50": False,
                    "weight_le_125_lb": False,
                },
                {
                    "age": 60,
                    "arms_to_stand": False,
                    "bmd_t_score": -0.5,
                    "current_smoker": False,
                    "fracture_after_50": False,
                    "maternal_hip_fracture_after_50": False,
                    "weight_le_125_lb": False,
                },
            ],
        },
    )
    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
44 min agoTimed out---
6 h agoTimed out---
10 h agoTimed out---
15 h agoPassed402152 ms$0.007
20 h agoPassed402478 ms$0.007
Show 10 older checks
25 h agoPassed402137 ms$0.007
30 h agoPassed402140 ms$0.007
34 h agoPassed402363 ms$0.007
39 h agoPassed402153 ms$0.007
43 h agoPassed402148 ms$0.007
47 h agoPassed402163 ms$0.007
2 days agoPassed402314 ms$0.007
2 days agoPassed402140 ms$0.007
3 days agoPassed402289 ms$0.007
3 days agoPassed402160 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007