Calc Pe Sard
by magent in Security & trust
Chopard 2021 PE-SARD score for early major bleeding in acute pulmonary embolism. Three caller-assigned flags: syncope (1.5), anemia (hemoglobin <12 g/dL, 2.5), renal dysfunction (GFR <60 mL/min, 1). Max 5. Half-points as published. Risk: low (0), intermediate (1–2.5), high (>2.5). magent does not assay hemoglobin or compute GFR. Not a PE diagnosis and not an anticoagulation order. Not a medical device.
https://api.magentlab.com/api/calc/pe_sard- Price
- $0.007
- per call in USDC
- Uptime
- 97.0%
- last 30 days
- Response time
- 155 ms
- 985 ms slowest 5%
- Last check
- Failed
- 34 min ago, next any minute now
Reliability
Latest check failed 34 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/pe_sard
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/pe_sard
content-type: application/json
{
"items": [
{
"anemia": false,
"renal_dysfunction": false,
"syncope": false
},
{
"anemia": false,
"renal_dysfunction": false,
"syncope": 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, 72 lines
{
"count": 2,
"items": [
{
"citation": {
"authors": "Chopard R, Piazza G, Falvo N, Ecarnot F, Besutti M, Capellier G, Schiele F, Badoz M, Meneveau N",
"doi": "10.1016/j.chest.2021.06.048",
"id": "chopard-2021",
"pmid": "34217683",
"source": "Chest. 2021;160(5):1832-1843",
"title": "An Original Risk Score to Predict Early Major Bleeding in Acute Pulmonary Embolism: The Syncope, Anemia, Renal Dysfunction (PE-SARD) Bleeding Score"
},
"components": [
{
"factor": "syncope",
"points": 0,
"present": false
},
{
"factor": "anemia",
"points": 0,
"present": false
},
{
"factor": "renal_dysfunction",
"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": "pe_sard",
"formula_expression": "PE-SARD (Chopard 2021) = syncope (1.5) + anemia Hb<12 g/dL (2.5) + renal_dysfunction GFR<60 (1); max 5; 0 low, 1-2.5 intermediate, >2.5 high; half-points not integer-rounded",
"max_score": 5,
"risk": "low",
"score": 0
},
{
"citation": {
"authors": "Chopard R, Piazza G, Falvo N, Ecarnot F, Besutti M, Capellier G, Schiele F, Badoz M, Meneveau N",
"doi": "10.1016/j.chest.2021.06.048",
"id": "chopard-2021",
"pmid": "34217683",
"source": "Chest. 2021;160(5):1832-1843",
"title": "An Original Risk Score to Predict Early Major Bleeding in Acute Pulmonary Embolism: The Syncope, Anemia, Renal Dysfunction (PE-SARD) Bleeding Score"
},
"components": [
{
"factor": "syncope",
"points": 0,
"present": false
},
{
"factor": "anemia",
"points": 0,
"present": false
},
{
"factor": "renal_dysfunction",
"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": "pe_sard",
"formula_expression": "PE-SARD (Chopard 2021) = syncope (1.5) + anemia Hb<12 g/dL (2.5) + renal_dysfunction GFR<60 (1); max 5; 0 low, 1-2.5 intermediate, >2.5 high; half-points not integer-rounded",
"max_score": 5,
"risk": "low",
"score": 0
}
],
"path": "/api/calc/pe_sard"
}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/pe_sard' \
-H 'content-type: application/json' \
--data-raw '{"items":[{"anemia":false,"renal_dysfunction":false,"syncope":false},{"anemia":false,"renal_dysfunction":false,"syncope":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/pe_sard' \
-H 'content-type: application/json' \
--data-raw '{"items":[{"anemia":false,"renal_dysfunction":false,"syncope":false},{"anemia":false,"renal_dysfunction":false,"syncope":false}]}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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%2Fpe_sard&method=POST
const res = await pay("https://api.magentlab.com/api/calc/pe_sard", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"items": [
{
"anemia": false,
"renal_dysfunction": false,
"syncope": false
},
{
"anemia": false,
"renal_dysfunction": false,
"syncope": 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/pe_sard",
json={
"items": [
{
"anemia": False,
"renal_dysfunction": False,
"syncope": False,
},
{
"anemia": False,
"renal_dysfunction": False,
"syncope": 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 |
|---|---|---|---|---|
| 34 min ago | Timed out | - | - | - |
| 5 h ago | Passed | 402 | 282 ms | $0.007 |
| 10 h ago | Passed | 402 | 985 ms | $0.007 |
| 15 h ago | Passed | 402 | 141 ms | $0.007 |
| 20 h ago | Passed | 402 | 220 ms | $0.007 |
Show 10 older checks
| 24 h ago | Passed | 402 | 148 ms | $0.007 |
| 29 h ago | Passed | 402 | 148 ms | $0.007 |
| 33 h ago | Passed | 402 | 141 ms | $0.007 |
| 37 h ago | Passed | 402 | 196 ms | $0.007 |
| 41 h ago | Passed | 402 | 154 ms | $0.007 |
| 46 h ago | Passed | 402 | 157 ms | $0.007 |
| 2 days ago | Passed | 402 | 145 ms | $0.007 |
| 2 days ago | Passed | 402 | 160 ms | $0.007 |
| 2 days ago | Passed | 402 | 155 ms | $0.007 |
| 3 days ago | Passed | 402 | 141 ms | $0.007 |
History
| 11 Oct 2026 | Price changed from $0.005 to $0.007 |