70trust / 100

Calc Ranson

by magent in Other

x402 APIPassing, checked 4 h ago

Ranson 1974 pancreatitis score from eleven published signs (five at admission, six at 48 hours) as boolean flags. Returns points 0-11 and mortality band 0-2 / 3-4 / 5-6 / 7-11. Deterministic published arithmetic with citation; not an ICU order.

POST

https://api.magentlab.com/api/calc/ranson

Price: $0.007; per call in USDC
Uptime: 100%; last 30 days
Response time: 159 ms; 416 ms slowest 5%
Last check: Passed; 4 h ago, next any minute now

Run a free test call How 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/ranson

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/ranson
content-type: application/json

{
  "items": [
    {
      "age_gt_55": false,
      "ast_gt_250": false,
      "base_deficit_gt_4": false,
      "bun_rise_gt_5": false,
      "calcium_lt_8": false,
      "fluid_seq_gt_6l": false,
      "glucose_gt_200": false,
      "hct_drop_gt_10": false,
      "ldh_gt_350": false,
      "pao2_lt_60": false,
      "wbc_gt_16k": false
    },
    {
      "age_gt_55": false,
      "ast_gt_250": false,
      "base_deficit_gt_4": false,
      "bun_rise_gt_5": false,
      "calcium_lt_8": false,
      "fluid_seq_gt_6l": false,
      "glucose_gt_200": false,
      "hct_drop_gt_10": false,
      "ldh_gt_350": false,
      "pao2_lt_60": false,
      "wbc_gt_16k": 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, 150 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC",
        "id": "ranson-1974",
        "pmid": "4834279",
        "source": "Surg Gynecol Obstet. 1974;139(1):69-81",
        "title": "Prognostic signs and the role of operative management in acute pancreatitis"
      },
      "components": [
        {
          "factor": "age_gt_55",
          "points": 0,
          "present": false
        },
        {
          "factor": "wbc_gt_16k",
          "points": 0,
          "present": false
        },
        {
          "factor": "glucose_gt_200",
          "points": 0,
          "present": false
        },
        {
          "factor": "ldh_gt_350",
          "points": 0,
          "present": false
        },
        {
          "factor": "ast_gt_250",
          "points": 0,
          "present": false
        },
        {
          "factor": "hct_drop_gt_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "bun_rise_gt_5",
          "points": 0,
          "present": false
        },
        {
          "factor": "calcium_lt_8",
          "points": 0,
          "present": false
        },
        {
          "factor": "pao2_lt_60",
          "points": 0,
          "present": false
        },
        {
          "factor": "base_deficit_gt_4",
          "points": 0,
          "present": false
        },
        {
          "factor": "fluid_seq_gt_6l",
          "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": "ranson",
      "formula_expression": "Ranson = 5 admission signs + 6 signs during first 48 h; each 1 if present; max 11",
      "max_score": 11,
      "mortality_band": "0-2",
      "score": 0
    },
    {
      "citation": {
        "authors": "Ranson JH, Rifkind KM, Roses DF, Fink SD, Eng K, Spencer FC",
        "id": "ranson-1974",
        "pmid": "4834279",
        "source": "Surg Gynecol Obstet. 1974;139(1):69-81",
        "title": "Prognostic signs and the role of operative management in acute pancreatitis"
      },
      "components": [
        {
          "factor": "age_gt_55",
          "points": 0,
          "present": false
        },
        {
          "factor": "wbc_gt_16k",
          "points": 0,
          "present": false
        },
        {
          "factor": "glucose_gt_200",
          "points": 0,
          "present": false
        },
        {
          "factor": "ldh_gt_350",
          "points": 0,
          "present": false
        },
        {
          "factor": "ast_gt_250",
          "points": 0,
          "present": false
        },
        {
          "factor": "hct_drop_gt_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "bun_rise_gt_5",
          "points": 0,
          "present": false
        },
        {
          "factor": "calcium_lt_8",
          "points": 0,
          "present": false
        },
        {
          "factor": "pao2_lt_60",
          "points": 0,
          "present": false
        },
        {
          "factor": "base_deficit_gt_4",
          "points": 0,
          "present": false
        },
        {
          "factor": "fluid_seq_gt_6l",
          "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": "ranson",
      "formula_expression": "Ranson = 5 admission signs + 6 signs during first 48 h; each 1 if present; max 11",
      "max_score": 11,
      "mortality_band": "0-2",
      "score": 0
    }
  ],
  "path": "/api/calc/ranson"
}

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/ranson' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age_gt_55":false,"ast_gt_250":false,"base_deficit_gt_4":false,"bun_rise_gt_5":false,"calcium_lt_8":false,"fluid_seq_gt_6l":false,"glucose_gt_200":false,"hct_drop_gt_10":false,"ldh_gt_350":false,"pao2_lt_60":false,"wbc_gt_16k":false},{"age_gt_55":false,"ast_gt_250":false,"base_deficit_gt_4":false,"bun_rise_gt_5":false,"calcium_lt_8":false,"fluid_seq_gt_6l":false,"glucose_gt_200":false,"hct_drop_gt_10":false,"ldh_gt_350":false,"pao2_lt_60":false,"wbc_gt_16k":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/ranson' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age_gt_55":false,"ast_gt_250":false,"base_deficit_gt_4":false,"bun_rise_gt_5":false,"calcium_lt_8":false,"fluid_seq_gt_6l":false,"glucose_gt_200":false,"hct_drop_gt_10":false,"ldh_gt_350":false,"pao2_lt_60":false,"wbc_gt_16k":false},{"age_gt_55":false,"ast_gt_250":false,"base_deficit_gt_4":false,"bun_rise_gt_5":false,"calcium_lt_8":false,"fluid_seq_gt_6l":false,"glucose_gt_200":false,"hct_drop_gt_10":false,"ldh_gt_350":false,"pao2_lt_60":false,"wbc_gt_16k":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%2Franson&method=POST
const res = await pay("https://api.magentlab.com/api/calc/ranson", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age_gt_55": false,
        "ast_gt_250": false,
        "base_deficit_gt_4": false,
        "bun_rise_gt_5": false,
        "calcium_lt_8": false,
        "fluid_seq_gt_6l": false,
        "glucose_gt_200": false,
        "hct_drop_gt_10": false,
        "ldh_gt_350": false,
        "pao2_lt_60": false,
        "wbc_gt_16k": false
      },
      {
        "age_gt_55": false,
        "ast_gt_250": false,
        "base_deficit_gt_4": false,
        "bun_rise_gt_5": false,
        "calcium_lt_8": false,
        "fluid_seq_gt_6l": false,
        "glucose_gt_200": false,
        "hct_drop_gt_10": false,
        "ldh_gt_350": false,
        "pao2_lt_60": false,
        "wbc_gt_16k": 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/ranson",
        json={
            "items": [
                {
                    "age_gt_55": False,
                    "ast_gt_250": False,
                    "base_deficit_gt_4": False,
                    "bun_rise_gt_5": False,
                    "calcium_lt_8": False,
                    "fluid_seq_gt_6l": False,
                    "glucose_gt_200": False,
                    "hct_drop_gt_10": False,
                    "ldh_gt_350": False,
                    "pao2_lt_60": False,
                    "wbc_gt_16k": False,
                },
                {
                    "age_gt_55": False,
                    "ast_gt_250": False,
                    "base_deficit_gt_4": False,
                    "bun_rise_gt_5": False,
                    "calcium_lt_8": False,
                    "fluid_seq_gt_6l": False,
                    "glucose_gt_200": False,
                    "hct_drop_gt_10": False,
                    "ldh_gt_350": False,
                    "pao2_lt_60": False,
                    "wbc_gt_16k": 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
4 h ago	Passed	402	373 ms	$0.007
9 h ago	Passed	402	137 ms	$0.007
14 h ago	Passed	402	308 ms	$0.007
19 h ago	Passed	402	180 ms	$0.007
23 h ago	Passed	402	382 ms	$0.007

Show 10 older checks

27 h ago	Passed	402	380 ms	$0.007
32 h ago	Passed	402	149 ms	$0.007
36 h ago	Passed	402	272 ms	$0.007
40 h ago	Passed	402	153 ms	$0.007
44 h ago	Passed	402	284 ms	$0.007
2 days ago	Passed	402	397 ms	$0.007
2 days ago	Passed	402	159 ms	$0.007
2 days ago	Passed	402	157 ms	$0.007
3 days ago	Passed	402	174 ms	$0.007
3 days ago	Passed	402	157 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 70/ 100

Availability (30-day uptime)		30 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		5 / 15
Charges what it lists		0 / 10
Security scan		10 / 10
Verified owner		0 / 10

How the score works

Payment terms

Price: $0.007 per call
Listed at: $0.005 (charges more)
Token: USDC
Networks: Base
Pays to: 0x836B…9Ee2

Real usage

Paying agents: 2 in 30 days
Paid calls: 5 in 30 days
Last paid call: 4 days ago

Source: x402 Bazaar settlement data.

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Trust score

[![ToolVet trust score](https://toolvet.app/badge/calc-ranson.svg)](https://toolvet.app/s/calc-ranson)