Calc Bps
by magent in Other
Payen 2001 Behavioral Pain Scale from three caller-assigned 1-4 items (facial_expression, upper_limbs, ventilator_compliance) using that paper's Table 1 descriptors. magent sums only (range 3-12) and does not observe the patient. No later pain-present cutoffs. Not a pain diagnosis or analgesic order. Not CPOT (CPOT items are 0-2).
https://api.magentlab.com/api/calc/bps- Price
- $0.005
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 328 ms
- 424 ms slowest 5%
- Last check
- Passed
- 5 h ago, next in 1 h
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
GET https://api.magentlab.com/api/calc/bps
Each call costs $0.005 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.
GET https://api.magentlab.com/api/calc/bps?facial_expression=1&upper_limbs=1&ventilator_compliance=1Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
facial_expression | integer | Yes | Caller-assigned Payen 2001 BPS facial expression (integer 1-4): 1 relaxed; 2 partially tightened (e.g. brow lowering); 3 fully tightened (e.g. eyelid closing); 4 grimacing. magent does not observe the patient. |
upper_limbs | integer | Yes | Caller-assigned Payen 2001 BPS upper limbs (integer 1-4): 1 no movement; 2 partially bent; 3 fully bent with finger flexion; 4 permanently retracted. magent does not observe the patient. |
ventilator_compliance | integer | Yes | Caller-assigned Payen 2001 BPS compliance with ventilation (integer 1-4): 1 tolerating movement; 2 coughing but tolerating ventilation most of the time; 3 fighting ventilator; 4 unable to control ventilation. magent does not observe the patient. |
Example response
The provider's example. We can't check it without paying.
Example response, 38 lines
{
"citation": {
"authors": "Payen JF, Bru O, Bosson JL, Lagrasta A, Novel E, Deschaux I, Lavagne P, Jacquot C",
"doi": "10.1097/00003246-200112000-00004",
"id": "payen-2001",
"pmid": "11700385",
"source": "Crit Care Med. 2001;29(12):2258-2263",
"title": "Assessing pain in critically ill sedated patients by using a behavioral pain scale"
},
"components": [
{
"factor": "facial_expression",
"points": 1,
"present": true,
"value": 1
},
{
"factor": "upper_limbs",
"points": 1,
"present": true,
"value": 1
},
{
"factor": "ventilator_compliance",
"points": 1,
"present": true,
"value": 1
}
],
"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.",
"facial_expression": 1,
"formula": "bps",
"formula_expression": "BPS = facial_expression + upper_limbs + ventilator_compliance; each caller-assigned 1-4; range 3-12",
"max_score": 12,
"score": 3,
"upper_limbs": 1,
"ventilator_compliance": 1
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/bps?facial_expression=1&upper_limbs=1&ventilator_compliance=1'
# 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 - 'https://api.magentlab.com/api/calc/bps?facial_expression=1&upper_limbs=1&ventilator_compliance=1' \
| 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fbps
const res = await pay("https://api.magentlab.com/api/calc/bps?facial_expression=1&upper_limbs=1&ventilator_compliance=1");
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://api.magentlab.com/api/calc/bps?facial_expression=1&upper_limbs=1&ventilator_compliance=1")
print(res.status_code, res.text)Security scan
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Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 5 h ago | Passed | 402 | 328 ms | $0.005 |
| 16 h ago | Passed | 402 | 144 ms | $0.005 |
| 26 h ago | Passed | 402 | 424 ms | $0.005 |
| 36 h ago | Passed | 402 | 402 ms | $0.005 |
| 46 h ago | Passed | 402 | 277 ms | $0.005 |
Show 6 older checks
| 2 days ago | Passed | 402 | 353 ms | $0.005 |
| 3 days ago | Passed | 402 | 365 ms | $0.005 |
| 3 days ago | Passed | 402 | 333 ms | $0.005 |
| 4 days ago | Passed | 402 | 137 ms | $0.005 |
| 4 days ago | Passed | 402 | 148 ms | $0.005 |
| 4 days ago | Passed | 402 | 136 ms | $0.005 |