ToolVet
67trust / 100

Calc Atria

by magent in Other

x402 APIFailing, checked 21 min ago

Fang 2011 ATRIA hemorrhage score: anemia caller flag 3 (paper Hb <13 g/dL men or <12 g/dL women); severe renal disease (eGFR <30 or dialysis) caller flag 3; age >=75 scores 2; prior hemorrhage 1; diagnosed hypertension 1. Max 10. Score 0-3 low, 4 intermediate, 5-10 high. Not a diagnosis. Not a warfarin order. Not HAS-BLED. magent does not measure hemoglobin or compute eGFR.

POST
https://api.magentlab.com/api/calc/atria
Price
$0.007
per call in USDC
Uptime
88.9%
last 30 days
Response time
156 ms
644 ms slowest 5%
Last check
Failed
21 min ago, next in 37 min

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 21 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/atria

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/atria
content-type: application/json

{
  "items": [
    {
      "age": 60,
      "anemia": false,
      "hypertension": false,
      "prior_hemorrhage": false,
      "severe_renal_disease": false
    },
    {
      "age": 60,
      "anemia": false,
      "hypertension": false,
      "prior_hemorrhage": false,
      "severe_renal_disease": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 96 lines
{
  "count": 2,
  "items": [
    {
      "age_years": 60,
      "citation": {
        "authors": "Fang MC, Go AS, Chang Y, et al.",
        "doi": "10.1016/j.jacc.2011.03.031",
        "id": "fang-2011",
        "pmid": "21757117",
        "source": "J Am Coll Cardiol. 2011;58(4):395-401",
        "title": "A new risk scheme to predict warfarin-associated hemorrhage: the ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) Study"
      },
      "components": [
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "severe_renal_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_ge_75",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "prior_hemorrhage",
          "points": 0,
          "present": false
        },
        {
          "factor": "hypertension",
          "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": "atria",
      "formula_expression": "ATRIA = anemia (3) + severe_renal_disease (3) + age_ge_75 (2) + prior_hemorrhage (1) + hypertension (1); max 10; 0-3 low, 4 intermediate, 5-10 high",
      "max_score": 10,
      "risk_band": "low",
      "score": 0
    },
    {
      "age_years": 60,
      "citation": {
        "authors": "Fang MC, Go AS, Chang Y, et al.",
        "doi": "10.1016/j.jacc.2011.03.031",
        "id": "fang-2011",
        "pmid": "21757117",
        "source": "J Am Coll Cardiol. 2011;58(4):395-401",
        "title": "A new risk scheme to predict warfarin-associated hemorrhage: the ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) Study"
      },
      "components": [
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "severe_renal_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_ge_75",
          "points": 0,
          "present": false,
          "value": 60
        },
        {
          "factor": "prior_hemorrhage",
          "points": 0,
          "present": false
        },
        {
          "factor": "hypertension",
          "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": "atria",
      "formula_expression": "ATRIA = anemia (3) + severe_renal_disease (3) + age_ge_75 (2) + prior_hemorrhage (1) + hypertension (1); max 10; 0-3 low, 4 intermediate, 5-10 high",
      "max_score": 10,
      "risk_band": "low",
      "score": 0
    }
  ],
  "path": "/api/calc/atria"
}

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/atria' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"anemia":false,"hypertension":false,"prior_hemorrhage":false,"severe_renal_disease":false},{"age":60,"anemia":false,"hypertension":false,"prior_hemorrhage":false,"severe_renal_disease":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/atria' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":60,"anemia":false,"hypertension":false,"prior_hemorrhage":false,"severe_renal_disease":false},{"age":60,"anemia":false,"hypertension":false,"prior_hemorrhage":false,"severe_renal_disease":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%2Fatria&method=POST
const res = await pay("https://api.magentlab.com/api/calc/atria", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 60,
        "anemia": false,
        "hypertension": false,
        "prior_hemorrhage": false,
        "severe_renal_disease": false
      },
      {
        "age": 60,
        "anemia": false,
        "hypertension": false,
        "prior_hemorrhage": false,
        "severe_renal_disease": 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/atria",
        json={
            "items": [
                {
                    "age": 60,
                    "anemia": False,
                    "hypertension": False,
                    "prior_hemorrhage": False,
                    "severe_renal_disease": False,
                },
                {
                    "age": 60,
                    "anemia": False,
                    "hypertension": False,
                    "prior_hemorrhage": False,
                    "severe_renal_disease": 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
21 min agoTimed out---
6 h agoTimed out---
11 h agoTimed out---
16 h agoTimed out---
20 h agoPassed402153 ms$0.007
Show 10 older checks
25 h agoPassed402142 ms$0.007
30 h agoPassed402137 ms$0.007
35 h agoPassed402319 ms$0.007
39 h agoPassed402137 ms$0.007
44 h agoPassed402312 ms$0.007
2 days agoPassed402243 ms$0.007
2 days agoPassed402193 ms$0.007
2 days agoPassed402613 ms$0.007
3 days agoPassed402247 ms$0.007
3 days agoPassed402211 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007