ToolVet
70trust / 100

Calc Pram

by magent in Other

x402 APIPassing, checked 4 h ago

Chalut 2000 Preschool Respiratory Assessment Measure (PRAM): five caller-assigned items — oxygen_sat_points (0/1/2), suprasternal retractions (0/2), scalene contraction (0/2), air_entry (0-3), and wheezing (0-3). magent sums only (max 12) and does not auscultate or measure saturation. Score only; no invented mild/moderate/severe bands. Not a diagnosis and not the Westley 1978 croup score.

POST
https://api.magentlab.com/api/calc/pram
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
148 ms
494 ms slowest 5%
Last check
Passed
4 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/pram

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/pram
content-type: application/json

{
  "items": [
    {
      "air_entry": 0,
      "oxygen_sat_points": 0,
      "scalene": 0,
      "suprasternal": 0,
      "wheezing": 0
    },
    {
      "air_entry": 0,
      "oxygen_sat_points": 0,
      "scalene": 0,
      "suprasternal": 0,
      "wheezing": 0
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 100 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Chalut DS, Ducharme FM, Davis GM",
        "doi": "10.1067/mpd.2000.110562",
        "id": "chalut-2000",
        "pmid": "11113831",
        "source": "J Pediatr. 2000;137(6):762-768",
        "title": "The Preschool Respiratory Assessment Measure (PRAM): a responsive index of acute asthma severity"
      },
      "components": [
        {
          "factor": "oxygen_sat_points",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "suprasternal",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "scalene",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "air_entry",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "wheezing",
          "points": 0,
          "present": true,
          "value": 0
        }
      ],
      "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": "pram",
      "formula_expression": "PRAM = oxygen_sat_points + suprasternal + scalene + air_entry + wheezing; Chalut 2000 caller-assigned points; oxygen_sat_points 0/1/2, suprasternal 0/2, scalene 0/2, air_entry 0-3, wheezing 0-3; max 12",
      "max_score": 12,
      "score": 0
    },
    {
      "citation": {
        "authors": "Chalut DS, Ducharme FM, Davis GM",
        "doi": "10.1067/mpd.2000.110562",
        "id": "chalut-2000",
        "pmid": "11113831",
        "source": "J Pediatr. 2000;137(6):762-768",
        "title": "The Preschool Respiratory Assessment Measure (PRAM): a responsive index of acute asthma severity"
      },
      "components": [
        {
          "factor": "oxygen_sat_points",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "suprasternal",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "scalene",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "air_entry",
          "points": 0,
          "present": true,
          "value": 0
        },
        {
          "factor": "wheezing",
          "points": 0,
          "present": true,
          "value": 0
        }
      ],
      "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": "pram",
      "formula_expression": "PRAM = oxygen_sat_points + suprasternal + scalene + air_entry + wheezing; Chalut 2000 caller-assigned points; oxygen_sat_points 0/1/2, suprasternal 0/2, scalene 0/2, air_entry 0-3, wheezing 0-3; max 12",
      "max_score": 12,
      "score": 0
    }
  ],
  "path": "/api/calc/pram"
}

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/pram' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"air_entry":0,"oxygen_sat_points":0,"scalene":0,"suprasternal":0,"wheezing":0},{"air_entry":0,"oxygen_sat_points":0,"scalene":0,"suprasternal":0,"wheezing":0}]}'

# 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/pram' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"air_entry":0,"oxygen_sat_points":0,"scalene":0,"suprasternal":0,"wheezing":0},{"air_entry":0,"oxygen_sat_points":0,"scalene":0,"suprasternal":0,"wheezing":0}]}' \
  | 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%2Fpram&method=POST
const res = await pay("https://api.magentlab.com/api/calc/pram", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "air_entry": 0,
        "oxygen_sat_points": 0,
        "scalene": 0,
        "suprasternal": 0,
        "wheezing": 0
      },
      {
        "air_entry": 0,
        "oxygen_sat_points": 0,
        "scalene": 0,
        "suprasternal": 0,
        "wheezing": 0
      }
    ]
  }),
});
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/pram",
        json={
            "items": [
                {
                    "air_entry": 0,
                    "oxygen_sat_points": 0,
                    "scalene": 0,
                    "suprasternal": 0,
                    "wheezing": 0,
                },
                {
                    "air_entry": 0,
                    "oxygen_sat_points": 0,
                    "scalene": 0,
                    "suprasternal": 0,
                    "wheezing": 0,
                },
            ],
        },
    )
    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
4 h agoPassed402144 ms$0.007
9 h agoPassed402142 ms$0.007
14 h agoPassed402145 ms$0.007
19 h agoPassed402269 ms$0.007
23 h agoPassed402140 ms$0.007
Show 10 older checks
28 h agoPassed402237 ms$0.007
32 h agoPassed402150 ms$0.007
36 h agoPassed402152 ms$0.007
40 h agoPassed402140 ms$0.007
44 h agoPassed402285 ms$0.007
2 days agoPassed402143 ms$0.007
2 days agoPassed402147 ms$0.007
2 days agoPassed402494 ms$0.007
3 days agoPassed402339 ms$0.007
3 days agoPassed402149 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007