65trust / 100

Calc Sofa 2

x402 APIFailing, checked 4 h ago

Ranzani 2025 SOFA-2 from six organs 0-4 (brain, respiratory, cardiovascular, liver, kidney, hemostasis), max 24. Maps PaO2/FiO2 or SpO2/FiO2 with NIV/ECMO, MAP and vasopressor dose bands, caller-assigned GCS and delirium-drug flag, bilirubin, platelets, creatinine or urine rate, and RRT. Not Vincent 1996 SOFA and not a diagnosis.

POST

https://api.magentlab.com/api/calc/sofa_2

Price: $0.007; per call in USDC
Uptime: 88.6%; last 30 days
Response time: 256 ms; 525 ms slowest 5%
Last check: Failed; 4 h ago, next any minute now

Run a free test call How to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 4 h ago: Timed out

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

How to call it

POST https://api.magentlab.com/api/calc/sofa_2

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/sofa_2
content-type: application/json

{
  "items": [
    {
      "advanced_ventilatory_support": false,
      "bilirubin_mg_dl": 0.8,
      "bilirubin_umol_l": 13.7,
      "creatinine_mg_dl": 1,
      "creatinine_umol_l": 88,
      "delirium_drugs": false,
      "dopamine_ug_kg_min": 0,
      "ecmo": false,
      "epinephrine_ug_kg_min": 0,
      "fio2": 0.21,
      "gcs": 15,
      "map_mm_hg": 80,
      "mechanical_circulatory_support": false,
      "norepinephrine_ug_kg_min": 0,
      "oliguria_hours": 8,
      "other_vasopressor_or_inotrope": false,
      "pao2_mm_hg": 96,
      "platelets_10e9_l": 200,
      "rrt": false,
      "spo2": 96,
      "urine_output_ml_kg_h": 1,
      "vasoactive_unavailable": false,
      "ventilatory_support_unavailable": false
    },
    {
      "advanced_ventilatory_support": false,
      "bilirubin_mg_dl": 0.8,
      "bilirubin_umol_l": 13.7,
      "creatinine_mg_dl": 1,
      "creatinine_umol_l": 88,
      "delirium_drugs": false,
      "dopamine_ug_kg_min": 0,
      "ecmo": false,
      "epinephrine_ug_kg_min": 0,
      "fio2": 0.21,
      "gcs": 15,
      "map_mm_hg": 80,
      "mechanical_circulatory_support": false,
      "norepinephrine_ug_kg_min": 0,
      "oliguria_hours": 8,
      "other_vasopressor_or_inotrope": false,
      "pao2_mm_hg": 96,
      "platelets_10e9_l": 200,
      "rrt": false,
      "spo2": 96,
      "urine_output_ml_kg_h": 1,
      "vasoactive_unavailable": false,
      "ventilatory_support_unavailable": 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, 124 lines

{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Ranzani OT, Singer M, Salluh JIF, Shankar-Hari M, Pilcher D, Berger-Estilita J, Coopersmith CM, Juffermans NP, Laffey J, Reinikainen M, Serpa Neto A, Tavares M, Timsit JF, Arias Lopez MDP, Arulkumaran N, Aryal D, Azoulay E, Celi LA, Chaudhuri D, De Lange D, De Waele J, Dos Santos CC, Du B, Einav S, Engelbrecht T, Fazla F, Ferrer R, Finazzi S, Fujii T, Gershengorn HB, Greene JD, Haniffa R, Hao S, Hasan MS, Hollenberg S, Ippolito M, Jung C, Kirov M, Kobari S, Lakbar I, Lipman J, Liu V, Liu X, Lobo SM, Magatti D, Martin GS, Metnitz B, Metnitz P, Myatra SN, Oczkowski S, Paiva JA, Paruk F, Pekkarinen PT, Piquilloud L, Pölkki A, Prescott HC, Reintam Blaser A, Rezende E, Robba C, Rochwerg B, Ruckly S, Samei R, Schenck EJ, Secombe P, Sendagire C, Siaw-Frimpong M, Simpkin AJ, Soares M, Summers C, Szczeklik W, Takala J, Tanaka S, Tricella G, Vincent JL, Wendon J, Zampieri FG, Rhodes A, Moreno R",
        "doi": "10.1001/jama.2025.20516",
        "id": "ranzani-2025",
        "pmid": "41159833",
        "source": "JAMA. 2025 (SOFA-2)",
        "title": "Development and Validation of the Sequential Organ Failure Assessment (SOFA)-2 Score"
      },
      "components": [
        {
          "factor": "brain",
          "points": 0,
          "present": false,
          "value": 15
        },
        {
          "factor": "respiratory",
          "points": 0,
          "present": false,
          "value": 457.14285714285717
        },
        {
          "factor": "cardiovascular",
          "points": 0,
          "present": false,
          "value": 80
        },
        {
          "factor": "liver",
          "points": 0,
          "present": false,
          "value": 0.8
        },
        {
          "factor": "kidney",
          "points": 0,
          "present": false,
          "value": {
            "creatinine": {
              "mg_dl": 1
            },
            "rrt": false,
            "urine": null
          }
        },
        {
          "factor": "hemostasis",
          "points": 0,
          "present": false,
          "value": 200
        }
      ],
      "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": "sofa_2",
      "formula_expression": "SOFA-2 = brain + respiratory + cardiovascular + liver + kidney + hemostasis; each 0-4; max 24",
      "max_score": 24,
      "score": 0
    },
    {
      "citation": {
        "authors": "Ranzani OT, Singer M, Salluh JIF, Shankar-Hari M, Pilcher D, Berger-Estilita J, Coopersmith CM, Juffermans NP, Laffey J, Reinikainen M, Serpa Neto A, Tavares M, Timsit JF, Arias Lopez MDP, Arulkumaran N, Aryal D, Azoulay E, Celi LA, Chaudhuri D, De Lange D, De Waele J, Dos Santos CC, Du B, Einav S, Engelbrecht T, Fazla F, Ferrer R, Finazzi S, Fujii T, Gershengorn HB, Greene JD, Haniffa R, Hao S, Hasan MS, Hollenberg S, Ippolito M, Jung C, Kirov M, Kobari S, Lakbar I, Lipman J, Liu V, Liu X, Lobo SM, Magatti D, Martin GS, Metnitz B, Metnitz P, Myatra SN, Oczkowski S, Paiva JA, Paruk F, Pekkarinen PT, Piquilloud L, Pölkki A, Prescott HC, Reintam Blaser A, Rezende E, Robba C, Rochwerg B, Ruckly S, Samei R, Schenck EJ, Secombe P, Sendagire C, Siaw-Frimpong M, Simpkin AJ, Soares M, Summers C, Szczeklik W, Takala J, Tanaka S, Tricella G, Vincent JL, Wendon J, Zampieri FG, Rhodes A, Moreno R",
        "doi": "10.1001/jama.2025.20516",
        "id": "ranzani-2025",
        "pmid": "41159833",
        "source": "JAMA. 2025 (SOFA-2)",
        "title": "Development and Validation of the Sequential Organ Failure Assessment (SOFA)-2 Score"
      },
      "components": [
        {
          "factor": "brain",
          "points": 0,
          "present": false,
          "value": 15
        },
        {
          "factor": "respiratory",
          "points": 0,
          "present": false,
          "value": 457.14285714285717
        },
        {
          "factor": "cardiovascular",
          "points": 0,
          "present": false,
          "value": 80
        },
        {
          "factor": "liver",
          "points": 0,
          "present": false,
          "value": 0.8
        },
        {
          "factor": "kidney",
          "points": 0,
          "present": false,
          "value": {
            "creatinine": {
              "mg_dl": 1
            },
            "rrt": false,
            "urine": null
          }
        },
        {
          "factor": "hemostasis",
          "points": 0,
          "present": false,
          "value": 200
        }
      ],
      "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": "sofa_2",
      "formula_expression": "SOFA-2 = brain + respiratory + cardiovascular + liver + kidney + hemostasis; each 0-4; max 24",
      "max_score": 24,
      "score": 0
    }
  ],
  "path": "/api/calc/sofa_2"
}

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/sofa_2' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"advanced_ventilatory_support":false,"bilirubin_mg_dl":0.8,"bilirubin_umol_l":13.7,"creatinine_mg_dl":1,"creatinine_umol_l":88,"delirium_drugs":false,"dopamine_ug_kg_min":0,"ecmo":false,"epinephrine_ug_kg_min":0,"fio2":0.21,"gcs":15,"map_mm_hg":80,"mechanical_circulatory_support":false,"norepinephrine_ug_kg_min":0,"oliguria_hours":8,"other_vasopressor_or_inotrope":false,"pao2_mm_hg":96,"platelets_10e9_l":200,"rrt":false,"spo2":96,"urine_output_ml_kg_h":1,"vasoactive_unavailable":false,"ventilatory_support_unavailable":false},{"advanced_ventilatory_support":false,"bilirubin_mg_dl":0.8,"bilirubin_umol_l":13.7,"creatinine_mg_dl":1,"creatinine_umol_l":88,"delirium_drugs":false,"dopamine_ug_kg_min":0,"ecmo":false,"epinephrine_ug_kg_min":0,"fio2":0.21,"gcs":15,"map_mm_hg":80,"mechanical_circulatory_support":false,"norepinephrine_ug_kg_min":0,"oliguria_hours":8,"other_vasopressor_or_inotrope":false,"pao2_mm_hg":96,"platelets_10e9_l":200,"rrt":false,"spo2":96,"urine_output_ml_kg_h":1,"vasoactive_unavailable":false,"ventilatory_support_unavailable":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/sofa_2' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"advanced_ventilatory_support":false,"bilirubin_mg_dl":0.8,"bilirubin_umol_l":13.7,"creatinine_mg_dl":1,"creatinine_umol_l":88,"delirium_drugs":false,"dopamine_ug_kg_min":0,"ecmo":false,"epinephrine_ug_kg_min":0,"fio2":0.21,"gcs":15,"map_mm_hg":80,"mechanical_circulatory_support":false,"norepinephrine_ug_kg_min":0,"oliguria_hours":8,"other_vasopressor_or_inotrope":false,"pao2_mm_hg":96,"platelets_10e9_l":200,"rrt":false,"spo2":96,"urine_output_ml_kg_h":1,"vasoactive_unavailable":false,"ventilatory_support_unavailable":false},{"advanced_ventilatory_support":false,"bilirubin_mg_dl":0.8,"bilirubin_umol_l":13.7,"creatinine_mg_dl":1,"creatinine_umol_l":88,"delirium_drugs":false,"dopamine_ug_kg_min":0,"ecmo":false,"epinephrine_ug_kg_min":0,"fio2":0.21,"gcs":15,"map_mm_hg":80,"mechanical_circulatory_support":false,"norepinephrine_ug_kg_min":0,"oliguria_hours":8,"other_vasopressor_or_inotrope":false,"pao2_mm_hg":96,"platelets_10e9_l":200,"rrt":false,"spo2":96,"urine_output_ml_kg_h":1,"vasoactive_unavailable":false,"ventilatory_support_unavailable":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%2Fsofa_2&method=POST
const res = await pay("https://api.magentlab.com/api/calc/sofa_2", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "advanced_ventilatory_support": false,
        "bilirubin_mg_dl": 0.8,
        "bilirubin_umol_l": 13.7,
        "creatinine_mg_dl": 1,
        "creatinine_umol_l": 88,
        "delirium_drugs": false,
        "dopamine_ug_kg_min": 0,
        "ecmo": false,
        "epinephrine_ug_kg_min": 0,
        "fio2": 0.21,
        "gcs": 15,
        "map_mm_hg": 80,
        "mechanical_circulatory_support": false,
        "norepinephrine_ug_kg_min": 0,
        "oliguria_hours": 8,
        "other_vasopressor_or_inotrope": false,
        "pao2_mm_hg": 96,
        "platelets_10e9_l": 200,
        "rrt": false,
        "spo2": 96,
        "urine_output_ml_kg_h": 1,
        "vasoactive_unavailable": false,
        "ventilatory_support_unavailable": false
      },
      {
        "advanced_ventilatory_support": false,
        "bilirubin_mg_dl": 0.8,
        "bilirubin_umol_l": 13.7,
        "creatinine_mg_dl": 1,
        "creatinine_umol_l": 88,
        "delirium_drugs": false,
        "dopamine_ug_kg_min": 0,
        "ecmo": false,
        "epinephrine_ug_kg_min": 0,
        "fio2": 0.21,
        "gcs": 15,
        "map_mm_hg": 80,
        "mechanical_circulatory_support": false,
        "norepinephrine_ug_kg_min": 0,
        "oliguria_hours": 8,
        "other_vasopressor_or_inotrope": false,
        "pao2_mm_hg": 96,
        "platelets_10e9_l": 200,
        "rrt": false,
        "spo2": 96,
        "urine_output_ml_kg_h": 1,
        "vasoactive_unavailable": false,
        "ventilatory_support_unavailable": 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/sofa_2",
        json={
            "items": [
                {
                    "advanced_ventilatory_support": False,
                    "bilirubin_mg_dl": 0.8,
                    "bilirubin_umol_l": 13.7,
                    "creatinine_mg_dl": 1,
                    "creatinine_umol_l": 88,
                    "delirium_drugs": False,
                    "dopamine_ug_kg_min": 0,
                    "ecmo": False,
                    "epinephrine_ug_kg_min": 0,
                    "fio2": 0.21,
                    "gcs": 15,
                    "map_mm_hg": 80,
                    "mechanical_circulatory_support": False,
                    "norepinephrine_ug_kg_min": 0,
                    "oliguria_hours": 8,
                    "other_vasopressor_or_inotrope": False,
                    "pao2_mm_hg": 96,
                    "platelets_10e9_l": 200,
                    "rrt": False,
                    "spo2": 96,
                    "urine_output_ml_kg_h": 1,
                    "vasoactive_unavailable": False,
                    "ventilatory_support_unavailable": False,
                },
                {
                    "advanced_ventilatory_support": False,
                    "bilirubin_mg_dl": 0.8,
                    "bilirubin_umol_l": 13.7,
                    "creatinine_mg_dl": 1,
                    "creatinine_umol_l": 88,
                    "delirium_drugs": False,
                    "dopamine_ug_kg_min": 0,
                    "ecmo": False,
                    "epinephrine_ug_kg_min": 0,
                    "fio2": 0.21,
                    "gcs": 15,
                    "map_mm_hg": 80,
                    "mechanical_circulatory_support": False,
                    "norepinephrine_ug_kg_min": 0,
                    "oliguria_hours": 8,
                    "other_vasopressor_or_inotrope": False,
                    "pao2_mm_hg": 96,
                    "platelets_10e9_l": 200,
                    "rrt": False,
                    "spo2": 96,
                    "urine_output_ml_kg_h": 1,
                    "vasoactive_unavailable": False,
                    "ventilatory_support_unavailable": 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	Timed out	-	-	-
10 h ago	Timed out	-	-	-
15 h ago	Timed out	-	-	-
19 h ago	Timed out	-	-	-
24 h ago	Passed	402	163 ms	$0.007

Show 10 older checks

29 h ago	Passed	402	152 ms	$0.007
34 h ago	Passed	402	160 ms	$0.007
38 h ago	Passed	402	162 ms	$0.007
43 h ago	Passed	402	335 ms	$0.007
47 h ago	Passed	402	256 ms	$0.007
2 days ago	Passed	402	385 ms	$0.007
2 days ago	Passed	402	372 ms	$0.007
3 days ago	Passed	402	154 ms	$0.007
3 days ago	Passed	402	179 ms	$0.007
3 days ago	Passed	402	311 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 65/ 100

Availability (30-day uptime)		27 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		3 / 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: 1 in 30 days
Paid calls: 3 in 30 days
Last paid call: 5 days ago

Source: x402 Bazaar settlement data.

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Show the score

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Trust score

[![ToolVet trust score](https://toolvet.app/badge/calc-sofa-2.svg)](https://toolvet.app/s/calc-sofa-2)