ToolVet
71trust / 100

Calc Riete

by magent in Other

x402 APIPassing, checked 2 h ago

Ruiz-Giménez 2008 RIETE score for 3-month major bleeding after documented acute VTE. Six caller-assigned flags: recent major bleeding (2), creatinine >1.2 mg/dL (1.5), anemia (1.5), cancer (1), clinically overt PE (1), age >75 (1); max 8. Low 0 (0.3%), intermediate 1–4 (2.6%), high >4 (7.3%) in derivation; validation 0.1%/2.8%/6.2%. Not a VTE diagnosis or bleed-treatment protocol. magent does not assay hemoglobin or creatinine.

POST
https://api.magentlab.com/api/calc/riete
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
154 ms
362 ms slowest 5%
Last check
Passed
2 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

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

How to call it

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

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/riete
content-type: application/json

{
  "items": [
    {
      "age_gt_75": false,
      "anemia": false,
      "cancer": false,
      "clinically_overt_pe": false,
      "creatinine_gt_1_2": false,
      "recent_major_bleeding": false
    },
    {
      "age_gt_75": false,
      "anemia": false,
      "cancer": false,
      "clinically_overt_pe": false,
      "creatinine_gt_1_2": false,
      "recent_major_bleeding": false
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 102 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Ruiz-Giménez N, Suárez C, González R, Nieto JA, Todolí JA, Samperiz AL, Monreal M; RIETE Investigators",
        "doi": "10.1160/TH08-03-0193",
        "id": "ruiz-gimenez-2008",
        "pmid": "18612548",
        "source": "Thromb Haemost. 2008;100(1):26-31",
        "title": "Predictive variables for major bleeding events in patients presenting with documented acute venous thromboembolism. Findings from the RIETE Registry"
      },
      "components": [
        {
          "factor": "recent_major_bleeding",
          "points": 0,
          "present": false
        },
        {
          "factor": "creatinine_gt_1_2",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "cancer",
          "points": 0,
          "present": false
        },
        {
          "factor": "clinically_overt_pe",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_gt_75",
          "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": "riete",
      "formula_expression": "RIETE = recent_major_bleeding 2.0 + creatinine_gt_1_2 1.5 + anemia 1.5 + cancer 1.0 + clinically_overt_pe 1.0 + age_gt_75 1.0; Ruiz-Giménez 2008; max 8; low 0, intermediate 1-4, high >4",
      "max_score": 8,
      "riete_band": "low",
      "score": 0
    },
    {
      "citation": {
        "authors": "Ruiz-Giménez N, Suárez C, González R, Nieto JA, Todolí JA, Samperiz AL, Monreal M; RIETE Investigators",
        "doi": "10.1160/TH08-03-0193",
        "id": "ruiz-gimenez-2008",
        "pmid": "18612548",
        "source": "Thromb Haemost. 2008;100(1):26-31",
        "title": "Predictive variables for major bleeding events in patients presenting with documented acute venous thromboembolism. Findings from the RIETE Registry"
      },
      "components": [
        {
          "factor": "recent_major_bleeding",
          "points": 0,
          "present": false
        },
        {
          "factor": "creatinine_gt_1_2",
          "points": 0,
          "present": false
        },
        {
          "factor": "anemia",
          "points": 0,
          "present": false
        },
        {
          "factor": "cancer",
          "points": 0,
          "present": false
        },
        {
          "factor": "clinically_overt_pe",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_gt_75",
          "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": "riete",
      "formula_expression": "RIETE = recent_major_bleeding 2.0 + creatinine_gt_1_2 1.5 + anemia 1.5 + cancer 1.0 + clinically_overt_pe 1.0 + age_gt_75 1.0; Ruiz-Giménez 2008; max 8; low 0, intermediate 1-4, high >4",
      "max_score": 8,
      "riete_band": "low",
      "score": 0
    }
  ],
  "path": "/api/calc/riete"
}

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/riete' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age_gt_75":false,"anemia":false,"cancer":false,"clinically_overt_pe":false,"creatinine_gt_1_2":false,"recent_major_bleeding":false},{"age_gt_75":false,"anemia":false,"cancer":false,"clinically_overt_pe":false,"creatinine_gt_1_2":false,"recent_major_bleeding":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/riete' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age_gt_75":false,"anemia":false,"cancer":false,"clinically_overt_pe":false,"creatinine_gt_1_2":false,"recent_major_bleeding":false},{"age_gt_75":false,"anemia":false,"cancer":false,"clinically_overt_pe":false,"creatinine_gt_1_2":false,"recent_major_bleeding":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%2Friete&method=POST
const res = await pay("https://api.magentlab.com/api/calc/riete", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age_gt_75": false,
        "anemia": false,
        "cancer": false,
        "clinically_overt_pe": false,
        "creatinine_gt_1_2": false,
        "recent_major_bleeding": false
      },
      {
        "age_gt_75": false,
        "anemia": false,
        "cancer": false,
        "clinically_overt_pe": false,
        "creatinine_gt_1_2": false,
        "recent_major_bleeding": 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/riete",
        json={
            "items": [
                {
                    "age_gt_75": False,
                    "anemia": False,
                    "cancer": False,
                    "clinically_overt_pe": False,
                    "creatinine_gt_1_2": False,
                    "recent_major_bleeding": False,
                },
                {
                    "age_gt_75": False,
                    "anemia": False,
                    "cancer": False,
                    "clinically_overt_pe": False,
                    "creatinine_gt_1_2": False,
                    "recent_major_bleeding": 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
2 h agoPassed402362 ms$0.007
7 h agoPassed402152 ms$0.007
12 h agoPassed402139 ms$0.007
16 h agoPassed402143 ms$0.007
21 h agoPassed402148 ms$0.007
Show 10 older checks
25 h agoPassed402369 ms$0.007
29 h agoPassed402227 ms$0.007
33 h agoPassed402137 ms$0.007
37 h agoPassed402164 ms$0.007
42 h agoPassed402150 ms$0.007
46 h agoPassed402209 ms$0.007
2 days agoPassed402151 ms$0.007
2 days agoPassed402154 ms$0.007
2 days agoPassed402166 ms$0.007
3 days agoPassed402293 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007