68trust / 100

Calc Hemorr2hages

x402 APIFailing, checked 3 h ago

Gage 2006 HEMORR2HAGES (NRAF) AF major-bleed score: prior bleed 2; hepatic or renal, ethanol, malignancy, age >75, reduced platelet count or function, uncontrolled hypertension, anemia, genetic factors, excessive fall risk, and stroke each 1. Max 12. Warfarin major bleed per 100 patient-years: 0→1.9, 1→2.5, 2→5.3, 3→8.4, 4→10.4, ≥5→12.3. Not a medical device. Not a decision to start or stop anticoagulation. Not HAS-BLED, ORBIT, or ATRIA.

POST

https://api.magentlab.com/api/calc/hemorr2hages

Price: $0.007; per call in USDC
Uptime: 94.1%; last 30 days
Response time: 164 ms; 531 ms slowest 5%
Last check: Failed; 3 h ago, next any minute now

Run a free test call How 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/hemorr2hages

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/hemorr2hages
content-type: application/json

{
  "items": [
    {
      "age": 60,
      "anemia": false,
      "ethanol": false,
      "excessive_fall_risk": false,
      "genetic_factors": false,
      "hepatic_or_renal": false,
      "malignancy": false,
      "prior_bleed": false,
      "reduced_platelet": false,
      "stroke": false,
      "uncontrolled_hypertension": false
    },
    {
      "age": 60,
      "anemia": false,
      "ethanol": false,
      "excessive_fall_risk": false,
      "genetic_factors": false,
      "hepatic_or_renal": false,
      "malignancy": false,
      "prior_bleed": false,
      "reduced_platelet": false,
      "stroke": false,
      "uncontrolled_hypertension": false
    }
  ]
}

Parameters

Parameter	Type	Required	Description
`items`	array of object	Yes

Example response

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

Example response, 156 lines

{
  "count": 2,
  "items": [
    {
      "age_years": 60,
      "bleed_rate_per_100_pt_years": 1.9,
      "citation": {
        "authors": "Gage BF, Yan Y, Milligan PE, et al.",
        "doi": "10.1016/j.ahj.2005.04.017",
        "id": "gage-2006",
        "pmid": "16504638",
        "source": "Am Heart J. 2006;151(3):713-719",
        "title": "Clinical classification schemes for predicting hemorrhage: results from the National Registry of Atrial Fibrillation (NRAF)"
      },
      "components": [
        {
          "factor": "prior_bleed",
          "points": 0,
          "present": false
        },
        {
          "factor": "hepatic_or_renal",
          "points": 0,
          "present": false
        },
        {
          "factor": "ethanol",
          "points": 0,
          "present": false
        },
        {
          "factor": "malignancy",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_gt_75",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "reduced_platelet",
          "points": 0,
          "present": false
        },
        {
          "factor": "uncontrolled_hypertension",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "genetic_factors",
          "points": 0,
          "present": false
        },
        {
          "factor": "excessive_fall_risk",
          "points": 0,
          "present": false
        },
        {
          "factor": "stroke",
          "points": 0,
          "present": 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": "hemorr2hages",
      "formula_expression": "HEMORR2HAGES = prior_bleed (2) + hepatic_or_renal (1) + ethanol (1) + malignancy (1) + age_gt_75 (1) + reduced_platelet (1) + uncontrolled_hypertension (1) + anemia (1) + genetic_factors (1) + excessive_fall_risk (1) + stroke (1); max 12; warfarin major bleed per 100 pt-years: 0=1.9, 1=2.5, 2=5.3, 3=8.4, 4=10.4, >=5=12.3",
      "max_score": 12,
      "score": 0
    },
    {
      "age_years": 60,
      "bleed_rate_per_100_pt_years": 1.9,
      "citation": {
        "authors": "Gage BF, Yan Y, Milligan PE, et al.",
        "doi": "10.1016/j.ahj.2005.04.017",
        "id": "gage-2006",
        "pmid": "16504638",
        "source": "Am Heart J. 2006;151(3):713-719",
        "title": "Clinical classification schemes for predicting hemorrhage: results from the National Registry of Atrial Fibrillation (NRAF)"
      },
      "components": [
        {
          "factor": "prior_bleed",
          "points": 0,
          "present": false
        },
        {
          "factor": "hepatic_or_renal",
          "points": 0,
          "present": false
        },
        {
          "factor": "ethanol",
          "points": 0,
          "present": false
        },
        {
          "factor": "malignancy",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_gt_75",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "reduced_platelet",
          "points": 0,
          "present": false
        },
        {
          "factor": "uncontrolled_hypertension",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "genetic_factors",
          "points": 0,
          "present": false
        },
        {
          "factor": "excessive_fall_risk",
          "points": 0,
          "present": false
        },
        {
          "factor": "stroke",
          "points": 0,
          "present": 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": "hemorr2hages",
      "formula_expression": "HEMORR2HAGES = prior_bleed (2) + hepatic_or_renal (1) + ethanol (1) + malignancy (1) + age_gt_75 (1) + reduced_platelet (1) + uncontrolled_hypertension (1) + anemia (1) + genetic_factors (1) + excessive_fall_risk (1) + stroke (1); max 12; warfarin major bleed per 100 pt-years: 0=1.9, 1=2.5, 2=5.3, 3=8.4, 4=10.4, >=5=12.3",
      "max_score": 12,
      "score": 0
    }
  ],
  "path": "/api/calc/hemorr2hages"
}

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/hemorr2hages' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"anemia":false,"ethanol":false,"excessive_fall_risk":false,"genetic_factors":false,"hepatic_or_renal":false,"malignancy":false,"prior_bleed":false,"reduced_platelet":false,"stroke":false,"uncontrolled_hypertension":false},{"age":60,"anemia":false,"ethanol":false,"excessive_fall_risk":false,"genetic_factors":false,"hepatic_or_renal":false,"malignancy":false,"prior_bleed":false,"reduced_platelet":false,"stroke":false,"uncontrolled_hypertension":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/hemorr2hages' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"anemia":false,"ethanol":false,"excessive_fall_risk":false,"genetic_factors":false,"hepatic_or_renal":false,"malignancy":false,"prior_bleed":false,"reduced_platelet":false,"stroke":false,"uncontrolled_hypertension":false},{"age":60,"anemia":false,"ethanol":false,"excessive_fall_risk":false,"genetic_factors":false,"hepatic_or_renal":false,"malignancy":false,"prior_bleed":false,"reduced_platelet":false,"stroke":false,"uncontrolled_hypertension":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%2Fhemorr2hages&method=POST
const res = await pay("https://api.magentlab.com/api/calc/hemorr2hages", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 60,
        "anemia": false,
        "ethanol": false,
        "excessive_fall_risk": false,
        "genetic_factors": false,
        "hepatic_or_renal": false,
        "malignancy": false,
        "prior_bleed": false,
        "reduced_platelet": false,
        "stroke": false,
        "uncontrolled_hypertension": false
      },
      {
        "age": 60,
        "anemia": false,
        "ethanol": false,
        "excessive_fall_risk": false,
        "genetic_factors": false,
        "hepatic_or_renal": false,
        "malignancy": false,
        "prior_bleed": false,
        "reduced_platelet": false,
        "stroke": false,
        "uncontrolled_hypertension": 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/hemorr2hages",
        json={
            "items": [
                {
                    "age": 60,
                    "anemia": False,
                    "ethanol": False,
                    "excessive_fall_risk": False,
                    "genetic_factors": False,
                    "hepatic_or_renal": False,
                    "malignancy": False,
                    "prior_bleed": False,
                    "reduced_platelet": False,
                    "stroke": False,
                    "uncontrolled_hypertension": False,
                },
                {
                    "age": 60,
                    "anemia": False,
                    "ethanol": False,
                    "excessive_fall_risk": False,
                    "genetic_factors": False,
                    "hepatic_or_renal": False,
                    "malignancy": False,
                    "prior_bleed": False,
                    "reduced_platelet": False,
                    "stroke": False,
                    "uncontrolled_hypertension": 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

When	Result	HTTP	Time	Price
3 h ago	Timed out	-	-	-
7 h ago	Timed out	-	-	-
12 h ago	Passed	402	241 ms	$0.007
17 h ago	Passed	402	144 ms	$0.007
22 h ago	Passed	402	142 ms	$0.007

Show 10 older checks

26 h ago	Passed	402	151 ms	$0.007
31 h ago	Passed	402	163 ms	$0.007
35 h ago	Passed	402	231 ms	$0.007
40 h ago	Passed	402	144 ms	$0.007
44 h ago	Passed	402	531 ms	$0.007
2 days ago	Passed	402	149 ms	$0.007
2 days ago	Passed	402	238 ms	$0.007
2 days ago	Passed	402	495 ms	$0.007
3 days ago	Passed	402	251 ms	$0.007
3 days ago	Passed	402	138 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 68/ 100

Availability (30-day uptime)		28 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		5 / 15
Charges what it lists		0 / 10
Security scan		10 / 10
Verified owner		0 / 10

How the score works

Payment terms

Price: $0.007 per call
Listed at: $0.005 (charges more)
Token: USDC
Networks: Base
Pays to: 0x836B…9Ee2

Real usage

Paying agents: 2 in 30 days
Paid calls: 5 in 30 days
Last paid call: 4 days ago

Source: x402 Bazaar settlement data.

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Trust score

[![ToolVet trust score](https://toolvet.app/badge/calc-hemorr2hages.svg)](https://toolvet.app/s/calc-hemorr2hages)