71trust / 100

Calc Timi Stemi

x402 APIPassing, checked 1 h ago

TIMI risk score for ST-elevation MI from age, diabetes/hypertension/angina, systolic BP, heart rate, Killip class, weight, anterior STE or LBBB, and time to treatment. Returns a 0-14 point total with components. Deterministic published score with citation; not a reperfusion or fibrinolytic protocol.

POST

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

Price: $0.007; per call in USDC
Uptime: 100%; last 30 days
Response time: 152 ms; 479 ms slowest 5%
Last check: Passed; 1 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/timi_stemi

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/timi_stemi
content-type: application/json

{
  "items": [
    {
      "age": 50,
      "angina": false,
      "anterior_ste_or_lbbb": false,
      "diabetes": false,
      "heart_rate_bpm": 70,
      "hypertension": false,
      "killip_class": 1,
      "systolic_mm_hg": 120,
      "time_to_treatment_gt_4h": false,
      "weight_kg": 80,
      "weight_lb": 176
    },
    {
      "age": 50,
      "angina": false,
      "anterior_ste_or_lbbb": false,
      "diabetes": false,
      "heart_rate_bpm": 70,
      "hypertension": false,
      "killip_class": 1,
      "systolic_mm_hg": 120,
      "time_to_treatment_gt_4h": false,
      "weight_kg": 80,
      "weight_lb": 176
    }
  ]
}

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, 162 lines

{
  "count": 2,
  "items": [
    {
      "age_years": 50,
      "angina": false,
      "anterior_ste_or_lbbb": false,
      "citation": {
        "authors": "Morrow DA, Antman EM, Charlesworth A, Cairns R, Murphy SA, de Lemos JA, Giugliano RP, McCabe CH, Braunwald E",
        "doi": "10.1161/01.CIR.102.17.2031",
        "id": "morrow-2000",
        "source": "Circulation. 2000;102(17):2031-2037",
        "title": "TIMI risk score for ST-elevation myocardial infarction: A convenient, bedside, clinical score for risk assessment at presentation"
      },
      "components": [
        {
          "factor": "age_65_74",
          "points": 0,
          "present": false,
          "value": 50
        },
        {
          "factor": "age_ge_75",
          "points": 0,
          "present": false,
          "value": 50
        },
        {
          "factor": "history_cad_risk",
          "points": 0,
          "present": false
        },
        {
          "factor": "systolic_bp_lt_100",
          "points": 0,
          "present": false,
          "value": 120
        },
        {
          "factor": "heart_rate_gt_100",
          "points": 0,
          "present": false,
          "value": 70
        },
        {
          "factor": "killip_ii_iv",
          "points": 0,
          "present": false,
          "value": 1
        },
        {
          "factor": "weight_lt_67",
          "points": 0,
          "present": false,
          "value": 80
        },
        {
          "factor": "anterior_ste_or_lbbb",
          "points": 0,
          "present": false
        },
        {
          "factor": "time_to_treatment_gt_4h",
          "points": 0,
          "present": false
        }
      ],
      "diabetes": 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": "timi_stemi",
      "formula_expression": "TIMI STEMI = age 65-74 (2) or age >=75 (3) + diabetes/hypertension/angina (1) + SBP<100 (3) + HR>100 (2) + Killip II-IV (2) + weight<67 kg (1) + anterior STE or LBBB (1) + time to treatment >4 h (1); max 14",
      "heart_rate_bpm": 70,
      "history_cad_risk": false,
      "hypertension": false,
      "killip_class": 1,
      "max_score": 14,
      "score": 0,
      "systolic_mm_hg": 120,
      "time_to_treatment_gt_4h": false,
      "weight_kg": 80
    },
    {
      "age_years": 50,
      "angina": false,
      "anterior_ste_or_lbbb": false,
      "citation": {
        "authors": "Morrow DA, Antman EM, Charlesworth A, Cairns R, Murphy SA, de Lemos JA, Giugliano RP, McCabe CH, Braunwald E",
        "doi": "10.1161/01.CIR.102.17.2031",
        "id": "morrow-2000",
        "source": "Circulation. 2000;102(17):2031-2037",
        "title": "TIMI risk score for ST-elevation myocardial infarction: A convenient, bedside, clinical score for risk assessment at presentation"
      },
      "components": [
        {
          "factor": "age_65_74",
          "points": 0,
          "present": false,
          "value": 50
        },
        {
          "factor": "age_ge_75",
          "points": 0,
          "present": false,
          "value": 50
        },
        {
          "factor": "history_cad_risk",
          "points": 0,
          "present": false
        },
        {
          "factor": "systolic_bp_lt_100",
          "points": 0,
          "present": false,
          "value": 120
        },
        {
          "factor": "heart_rate_gt_100",
          "points": 0,
          "present": false,
          "value": 70
        },
        {
          "factor": "killip_ii_iv",
          "points": 0,
          "present": false,
          "value": 1
        },
        {
          "factor": "weight_lt_67",
          "points": 0,
          "present": false,
          "value": 80
        },
        {
          "factor": "anterior_ste_or_lbbb",
          "points": 0,
          "present": false
        },
        {
          "factor": "time_to_treatment_gt_4h",
          "points": 0,
          "present": false
        }
      ],
      "diabetes": 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": "timi_stemi",
      "formula_expression": "TIMI STEMI = age 65-74 (2) or age >=75 (3) + diabetes/hypertension/angina (1) + SBP<100 (3) + HR>100 (2) + Killip II-IV (2) + weight<67 kg (1) + anterior STE or LBBB (1) + time to treatment >4 h (1); max 14",
      "heart_rate_bpm": 70,
      "history_cad_risk": false,
      "hypertension": false,
      "killip_class": 1,
      "max_score": 14,
      "score": 0,
      "systolic_mm_hg": 120,
      "time_to_treatment_gt_4h": false,
      "weight_kg": 80
    }
  ],
  "path": "/api/calc/timi_stemi"
}

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/timi_stemi' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":50,"angina":false,"anterior_ste_or_lbbb":false,"diabetes":false,"heart_rate_bpm":70,"hypertension":false,"killip_class":1,"systolic_mm_hg":120,"time_to_treatment_gt_4h":false,"weight_kg":80,"weight_lb":176},{"age":50,"angina":false,"anterior_ste_or_lbbb":false,"diabetes":false,"heart_rate_bpm":70,"hypertension":false,"killip_class":1,"systolic_mm_hg":120,"time_to_treatment_gt_4h":false,"weight_kg":80,"weight_lb":176}]}'

# 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/timi_stemi' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":50,"angina":false,"anterior_ste_or_lbbb":false,"diabetes":false,"heart_rate_bpm":70,"hypertension":false,"killip_class":1,"systolic_mm_hg":120,"time_to_treatment_gt_4h":false,"weight_kg":80,"weight_lb":176},{"age":50,"angina":false,"anterior_ste_or_lbbb":false,"diabetes":false,"heart_rate_bpm":70,"hypertension":false,"killip_class":1,"systolic_mm_hg":120,"time_to_treatment_gt_4h":false,"weight_kg":80,"weight_lb":176}]}' \
  | 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%2Ftimi_stemi&method=POST
const res = await pay("https://api.magentlab.com/api/calc/timi_stemi", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 50,
        "angina": false,
        "anterior_ste_or_lbbb": false,
        "diabetes": false,
        "heart_rate_bpm": 70,
        "hypertension": false,
        "killip_class": 1,
        "systolic_mm_hg": 120,
        "time_to_treatment_gt_4h": false,
        "weight_kg": 80,
        "weight_lb": 176
      },
      {
        "age": 50,
        "angina": false,
        "anterior_ste_or_lbbb": false,
        "diabetes": false,
        "heart_rate_bpm": 70,
        "hypertension": false,
        "killip_class": 1,
        "systolic_mm_hg": 120,
        "time_to_treatment_gt_4h": false,
        "weight_kg": 80,
        "weight_lb": 176
      }
    ]
  }),
});
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/timi_stemi",
        json={
            "items": [
                {
                    "age": 50,
                    "angina": False,
                    "anterior_ste_or_lbbb": False,
                    "diabetes": False,
                    "heart_rate_bpm": 70,
                    "hypertension": False,
                    "killip_class": 1,
                    "systolic_mm_hg": 120,
                    "time_to_treatment_gt_4h": False,
                    "weight_kg": 80,
                    "weight_lb": 176,
                },
                {
                    "age": 50,
                    "angina": False,
                    "anterior_ste_or_lbbb": False,
                    "diabetes": False,
                    "heart_rate_bpm": 70,
                    "hypertension": False,
                    "killip_class": 1,
                    "systolic_mm_hg": 120,
                    "time_to_treatment_gt_4h": False,
                    "weight_kg": 80,
                    "weight_lb": 176,
                },
            ],
        },
    )
    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
1 h ago	Passed	402	152 ms	$0.007
6 h ago	Passed	402	237 ms	$0.007
11 h ago	Passed	402	157 ms	$0.007
16 h ago	Passed	402	157 ms	$0.007
20 h ago	Passed	402	151 ms	$0.007

Show 10 older checks

25 h ago	Passed	402	241 ms	$0.007
29 h ago	Passed	402	165 ms	$0.007
33 h ago	Passed	402	138 ms	$0.007
37 h ago	Passed	402	169 ms	$0.007
42 h ago	Passed	402	139 ms	$0.007
46 h ago	Passed	402	156 ms	$0.007
2 days ago	Passed	402	152 ms	$0.007
2 days ago	Passed	402	146 ms	$0.007
2 days ago	Passed	402	217 ms	$0.007
3 days ago	Passed	402	150 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 71/ 100

Availability (30-day uptime)		30 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		6 / 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: 3 in 30 days
Paid calls: 6 in 30 days
Last paid call: 3 days ago

Source: x402 Bazaar settlement data.

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Trust score

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