72trust / 100

Calc Canrisk

x402 APIPassing, checked 1 h ago

Robinson 2011 Table 3 pCANRISK (not eCANRISK). Age 0/7/13/15; male 6; BMI 0/4/9/14; waist 0/4/6 by sex; inactivity 1; no daily fruit/veg 2; high BP 4; high glucose 14; macrosomia 1 (women); family first-degree categories ×2; caller-assigned ethnicity White 0 Aboriginal 3 Black 5 East Asian 10 South Asian 11; education 5/1/0. Max 81 F/86 M. Cutoffs 21, 29, 32, 33, 43. Not a diagnosis.

POST

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

Price: $0.007; per call in USDC
Uptime: 100%; last 30 days
Response time: 288 ms; 895 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/canrisk

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/canrisk
content-type: application/json

{
  "items": [
    {
      "activity_30min": true,
      "age": 40,
      "bmi_kg_m2": 22,
      "daily_fruit_veg": true,
      "education": "university",
      "ethnicity": "white",
      "family_history_count": 0,
      "high_bp": false,
      "high_glucose": false,
      "macrosomia": false,
      "sex": "female",
      "waist_cm": 80
    },
    {
      "activity_30min": true,
      "age": 40,
      "bmi_kg_m2": 22,
      "daily_fruit_veg": true,
      "education": "university",
      "ethnicity": "white",
      "family_history_count": 0,
      "high_bp": false,
      "high_glucose": false,
      "macrosomia": false,
      "sex": "female",
      "waist_cm": 80
    }
  ]
}

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, 198 lines

{
  "count": 2,
  "items": [
    {
      "age_years": 40,
      "bmi_kg_m2": 22,
      "citation": {
        "authors": "Robinson CA, Agarwal G, Nerenberg K",
        "doi": "10.24095/hpcdp.32.1.04",
        "id": "robinson-2011-canrisk",
        "pmid": "22153173",
        "source": "Chronic Dis Inj Can. 2011;32(1):19-31",
        "title": "Validating the CANRISK prognostic model for assessing diabetes risk in Canada's multi-ethnic population"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 40
        },
        {
          "factor": "sex",
          "points": 0,
          "present": false,
          "value": "female"
        },
        {
          "factor": "bmi",
          "points": 0,
          "present": false,
          "value": 22
        },
        {
          "factor": "waist",
          "points": 4,
          "present": true,
          "value": 80
        },
        {
          "factor": "inactivity",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_daily_fruit_veg",
          "points": 0,
          "present": false
        },
        {
          "factor": "high_bp",
          "points": 0,
          "present": false
        },
        {
          "factor": "high_glucose",
          "points": 0,
          "present": false
        },
        {
          "factor": "macrosomia",
          "points": 0,
          "present": false
        },
        {
          "factor": "family_history",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "ethnicity",
          "points": 0,
          "present": false,
          "value": "white"
        },
        {
          "factor": "education",
          "points": 0,
          "present": false,
          "value": "university"
        }
      ],
      "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.",
      "education": "university",
      "ethnicity": "white",
      "family_history_count": 0,
      "formula": "canrisk",
      "formula_expression": "pCANRISK = age + sex + bmi + waist + inactivity + no_daily_fruit_veg + high_bp + high_glucose + macrosomia + family_history + ethnicity + education; age <45 -> 0, 45-54 -> 7, 55-64 -> 13, >=65 -> 15; male 6; BMI <25 -> 0, 25-29.9 -> 4, 30-34.9 -> 9, >=35 -> 14; waist men <94 -> 0, 94-102 -> 4, >102 -> 6; women <80 -> 0, 80-88 -> 4, >88 -> 6; inactivity 1; no daily fruit/veg 2; high_bp 4; high_glucose 14; macrosomia women 1 else N/A 0; family_history_count 0-4 first-degree categories * 2; ethnicity white 0 aboriginal 3 black 5 east_asian 10 south_asian 11 latin_american 0 other 0 (caller-assigned; Table 3 assigned no pCANRISK points to Latin American or Other); education less_than_high_school 5 high_school 1 some_college or university 0; max 81 female / 86 male; Robinson 2011 Table 3 pCANRISK not eCANRISK; published cutoffs score>=21 29 32 33 43",
      "max_score": 81,
      "score": 4,
      "score_ge_21": false,
      "score_ge_29": false,
      "score_ge_32": false,
      "score_ge_33": false,
      "score_ge_43": false,
      "sex": "female",
      "waist_cm": 80
    },
    {
      "age_years": 40,
      "bmi_kg_m2": 22,
      "citation": {
        "authors": "Robinson CA, Agarwal G, Nerenberg K",
        "doi": "10.24095/hpcdp.32.1.04",
        "id": "robinson-2011-canrisk",
        "pmid": "22153173",
        "source": "Chronic Dis Inj Can. 2011;32(1):19-31",
        "title": "Validating the CANRISK prognostic model for assessing diabetes risk in Canada's multi-ethnic population"
      },
      "components": [
        {
          "factor": "age",
          "points": 0,
          "present": false,
          "value": 40
        },
        {
          "factor": "sex",
          "points": 0,
          "present": false,
          "value": "female"
        },
        {
          "factor": "bmi",
          "points": 0,
          "present": false,
          "value": 22
        },
        {
          "factor": "waist",
          "points": 4,
          "present": true,
          "value": 80
        },
        {
          "factor": "inactivity",
          "points": 0,
          "present": false
        },
        {
          "factor": "no_daily_fruit_veg",
          "points": 0,
          "present": false
        },
        {
          "factor": "high_bp",
          "points": 0,
          "present": false
        },
        {
          "factor": "high_glucose",
          "points": 0,
          "present": false
        },
        {
          "factor": "macrosomia",
          "points": 0,
          "present": false
        },
        {
          "factor": "family_history",
          "points": 0,
          "present": false,
          "value": 0
        },
        {
          "factor": "ethnicity",
          "points": 0,
          "present": false,
          "value": "white"
        },
        {
          "factor": "education",
          "points": 0,
          "present": false,
          "value": "university"
        }
      ],
      "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.",
      "education": "university",
      "ethnicity": "white",
      "family_history_count": 0,
      "formula": "canrisk",
      "formula_expression": "pCANRISK = age + sex + bmi + waist + inactivity + no_daily_fruit_veg + high_bp + high_glucose + macrosomia + family_history + ethnicity + education; age <45 -> 0, 45-54 -> 7, 55-64 -> 13, >=65 -> 15; male 6; BMI <25 -> 0, 25-29.9 -> 4, 30-34.9 -> 9, >=35 -> 14; waist men <94 -> 0, 94-102 -> 4, >102 -> 6; women <80 -> 0, 80-88 -> 4, >88 -> 6; inactivity 1; no daily fruit/veg 2; high_bp 4; high_glucose 14; macrosomia women 1 else N/A 0; family_history_count 0-4 first-degree categories * 2; ethnicity white 0 aboriginal 3 black 5 east_asian 10 south_asian 11 latin_american 0 other 0 (caller-assigned; Table 3 assigned no pCANRISK points to Latin American or Other); education less_than_high_school 5 high_school 1 some_college or university 0; max 81 female / 86 male; Robinson 2011 Table 3 pCANRISK not eCANRISK; published cutoffs score>=21 29 32 33 43",
      "max_score": 81,
      "score": 4,
      "score_ge_21": false,
      "score_ge_29": false,
      "score_ge_32": false,
      "score_ge_33": false,
      "score_ge_43": false,
      "sex": "female",
      "waist_cm": 80
    }
  ],
  "path": "/api/calc/canrisk"
}

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/canrisk' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"activity_30min":true,"age":40,"bmi_kg_m2":22,"daily_fruit_veg":true,"education":"university","ethnicity":"white","family_history_count":0,"high_bp":false,"high_glucose":false,"macrosomia":false,"sex":"female","waist_cm":80},{"activity_30min":true,"age":40,"bmi_kg_m2":22,"daily_fruit_veg":true,"education":"university","ethnicity":"white","family_history_count":0,"high_bp":false,"high_glucose":false,"macrosomia":false,"sex":"female","waist_cm":80}]}'

# 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/canrisk' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"activity_30min":true,"age":40,"bmi_kg_m2":22,"daily_fruit_veg":true,"education":"university","ethnicity":"white","family_history_count":0,"high_bp":false,"high_glucose":false,"macrosomia":false,"sex":"female","waist_cm":80},{"activity_30min":true,"age":40,"bmi_kg_m2":22,"daily_fruit_veg":true,"education":"university","ethnicity":"white","family_history_count":0,"high_bp":false,"high_glucose":false,"macrosomia":false,"sex":"female","waist_cm":80}]}' \
  | 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%2Fcanrisk&method=POST
const res = await pay("https://api.magentlab.com/api/calc/canrisk", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "activity_30min": true,
        "age": 40,
        "bmi_kg_m2": 22,
        "daily_fruit_veg": true,
        "education": "university",
        "ethnicity": "white",
        "family_history_count": 0,
        "high_bp": false,
        "high_glucose": false,
        "macrosomia": false,
        "sex": "female",
        "waist_cm": 80
      },
      {
        "activity_30min": true,
        "age": 40,
        "bmi_kg_m2": 22,
        "daily_fruit_veg": true,
        "education": "university",
        "ethnicity": "white",
        "family_history_count": 0,
        "high_bp": false,
        "high_glucose": false,
        "macrosomia": false,
        "sex": "female",
        "waist_cm": 80
      }
    ]
  }),
});
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/canrisk",
        json={
            "items": [
                {
                    "activity_30min": True,
                    "age": 40,
                    "bmi_kg_m2": 22,
                    "daily_fruit_veg": True,
                    "education": "university",
                    "ethnicity": "white",
                    "family_history_count": 0,
                    "high_bp": False,
                    "high_glucose": False,
                    "macrosomia": False,
                    "sex": "female",
                    "waist_cm": 80,
                },
                {
                    "activity_30min": True,
                    "age": 40,
                    "bmi_kg_m2": 22,
                    "daily_fruit_veg": True,
                    "education": "university",
                    "ethnicity": "white",
                    "family_history_count": 0,
                    "high_bp": False,
                    "high_glucose": False,
                    "macrosomia": False,
                    "sex": "female",
                    "waist_cm": 80,
                },
            ],
        },
    )
    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	154 ms	$0.007
11 h ago	Passed	402	228 ms	$0.007
15 h ago	Passed	402	383 ms	$0.007
20 h ago	Passed	402	150 ms	$0.007

Show 10 older checks

24 h ago	Passed	402	325 ms	$0.007
28 h ago	Passed	402	196 ms	$0.007
32 h ago	Passed	402	297 ms	$0.007
37 h ago	Passed	402	150 ms	$0.007
41 h ago	Passed	402	389 ms	$0.007
45 h ago	Passed	402	422 ms	$0.007
2 days ago	Passed	402	496 ms	$0.007
2 days ago	Passed	402	170 ms	$0.007
2 days ago	Passed	402	163 ms	$0.007
3 days ago	Passed	402	308 ms	$0.007

History

11 Oct 2026	Price changed from $0.005 to $0.007

Trust score 72/ 100

Availability (30-day uptime)		30 / 30
Valid x402 challenge		15 / 15
Response time		10 / 10
Real paying agents (30 days)		7 / 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: 4 in 30 days
Paid calls: 7 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-canrisk.svg)](https://toolvet.app/s/calc-canrisk)