ToolVet
71trust / 100

Calc Capra

by magent in Other

x402 APIPassing, checked 3 h ago

Cooperberg 2005 UCSF CAPRA preoperative score (Table 1). Caller-assigned PSA (>=2.1-6 0, >6-10 1, >10-20 2, >20-30 3, >30 4), Gleason 1-3/1-3 0, 1-3/4-5 1, primary 4-5 3, clinical T t1/t2 0 or t3a 1, percent positive biopsies <34 0 or >=34 1, age <50 0 or >=50 1. Score 0-10. Table 4 bands 0_1, 2, 3, 4, 5, 6, ge_7 with 5-year RFS 85/81/66/59/60/34/8. Not Kattan. Not D'Amico. Not CAPRA-S. magent does not assay PSA or read biopsies. Not a diagnosis. Not a medical device.

POST
https://api.magentlab.com/api/calc/capra
Price
$0.007
per call in USDC
Uptime
100%
last 30 days
Response time
158 ms
448 ms slowest 5%
Last check
Passed
3 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/capra

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/capra
content-type: application/json

{
  "items": [
    {
      "age": 62,
      "gleason_primary": 3,
      "gleason_secondary": 3,
      "percent_positive_biopsies": 20,
      "psa_ng_ml": 5,
      "t_stage": "t1"
    },
    {
      "age": 62,
      "gleason_primary": 3,
      "gleason_secondary": 3,
      "percent_positive_biopsies": 20,
      "psa_ng_ml": 5,
      "t_stage": "t1"
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 116 lines
{
  "count": 2,
  "items": [
    {
      "age_years": 62,
      "band": "0_1",
      "citation": {
        "authors": "Cooperberg MR, Pasta DJ, Elkin EP, Litwin MS, Latini DM, Du Chane J, Carroll PR",
        "doi": "10.1097/01.ju.0000158155.33890.e7",
        "id": "cooperberg-2005",
        "pmid": "15879786",
        "source": "J Urol. 2005;173(6):1938-1942",
        "title": "The University of California, San Francisco Cancer of the Prostate Risk Assessment score: a straightforward and reliable preoperative predictor of disease recurrence after radical prostatectomy"
      },
      "components": [
        {
          "factor": "psa_ng_ml",
          "points": 0,
          "present": true,
          "value": 5
        },
        {
          "factor": "gleason",
          "points": 0,
          "present": true,
          "value": "3+3"
        },
        {
          "factor": "t_stage",
          "points": 0,
          "present": true,
          "value": "t1"
        },
        {
          "factor": "percent_positive_biopsies",
          "points": 0,
          "present": true,
          "value": 20
        },
        {
          "factor": "age",
          "points": 1,
          "present": true,
          "value": 62
        }
      ],
      "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": "capra",
      "formula_expression": "CAPRA (Cooperberg 2005 Table 1) = psa_ng_ml (>=2.1 and <=6.0 0, >6.0 and <=10.0 1, >10.0 and <=20.0 2, >20.0 and <=30.0 3, >30 4; PSA <2.1 excluded) + gleason (primary/secondary 1-3/1-3 0, 1-3/4-5 1, primary 4-5 3) + t_stage (t1 or t2 0, t3a 1) + percent_positive_biopsies (<34 0, >=34 1) + age (<50 0, >=50 1); score 0-10; Table 4 Kaplan-Meier bands 0_1 / 2 / 3 / 4 / 5 / 6 / ge_7 with 5-year RFS 85 / 81 / 66 / 59 / 60 / 34 / 8. Not Kattan nomogram. Not D'Amico groups. Not CAPRA-S",
      "gleason_primary": 3,
      "gleason_secondary": 3,
      "max_score": 10,
      "percent_positive_biopsies": 20,
      "psa_ng_ml": 5,
      "rfs_5y_percent": 85,
      "score": 1,
      "t_stage": "t1"
    },
    {
      "age_years": 62,
      "band": "0_1",
      "citation": {
        "authors": "Cooperberg MR, Pasta DJ, Elkin EP, Litwin MS, Latini DM, Du Chane J, Carroll PR",
        "doi": "10.1097/01.ju.0000158155.33890.e7",
        "id": "cooperberg-2005",
        "pmid": "15879786",
        "source": "J Urol. 2005;173(6):1938-1942",
        "title": "The University of California, San Francisco Cancer of the Prostate Risk Assessment score: a straightforward and reliable preoperative predictor of disease recurrence after radical prostatectomy"
      },
      "components": [
        {
          "factor": "psa_ng_ml",
          "points": 0,
          "present": true,
          "value": 5
        },
        {
          "factor": "gleason",
          "points": 0,
          "present": true,
          "value": "3+3"
        },
        {
          "factor": "t_stage",
          "points": 0,
          "present": true,
          "value": "t1"
        },
        {
          "factor": "percent_positive_biopsies",
          "points": 0,
          "present": true,
          "value": 20
        },
        {
          "factor": "age",
          "points": 1,
          "present": true,
          "value": 62
        }
      ],
      "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": "capra",
      "formula_expression": "CAPRA (Cooperberg 2005 Table 1) = psa_ng_ml (>=2.1 and <=6.0 0, >6.0 and <=10.0 1, >10.0 and <=20.0 2, >20.0 and <=30.0 3, >30 4; PSA <2.1 excluded) + gleason (primary/secondary 1-3/1-3 0, 1-3/4-5 1, primary 4-5 3) + t_stage (t1 or t2 0, t3a 1) + percent_positive_biopsies (<34 0, >=34 1) + age (<50 0, >=50 1); score 0-10; Table 4 Kaplan-Meier bands 0_1 / 2 / 3 / 4 / 5 / 6 / ge_7 with 5-year RFS 85 / 81 / 66 / 59 / 60 / 34 / 8. Not Kattan nomogram. Not D'Amico groups. Not CAPRA-S",
      "gleason_primary": 3,
      "gleason_secondary": 3,
      "max_score": 10,
      "percent_positive_biopsies": 20,
      "psa_ng_ml": 5,
      "rfs_5y_percent": 85,
      "score": 1,
      "t_stage": "t1"
    }
  ],
  "path": "/api/calc/capra"
}

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/capra' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":62,"gleason_primary":3,"gleason_secondary":3,"percent_positive_biopsies":20,"psa_ng_ml":5,"t_stage":"t1"},{"age":62,"gleason_primary":3,"gleason_secondary":3,"percent_positive_biopsies":20,"psa_ng_ml":5,"t_stage":"t1"}]}'

# 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/capra' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"age":62,"gleason_primary":3,"gleason_secondary":3,"percent_positive_biopsies":20,"psa_ng_ml":5,"t_stage":"t1"},{"age":62,"gleason_primary":3,"gleason_secondary":3,"percent_positive_biopsies":20,"psa_ng_ml":5,"t_stage":"t1"}]}' \
  | 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%2Fcapra&method=POST
const res = await pay("https://api.magentlab.com/api/calc/capra", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "age": 62,
        "gleason_primary": 3,
        "gleason_secondary": 3,
        "percent_positive_biopsies": 20,
        "psa_ng_ml": 5,
        "t_stage": "t1"
      },
      {
        "age": 62,
        "gleason_primary": 3,
        "gleason_secondary": 3,
        "percent_positive_biopsies": 20,
        "psa_ng_ml": 5,
        "t_stage": "t1"
      }
    ]
  }),
});
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/capra",
        json={
            "items": [
                {
                    "age": 62,
                    "gleason_primary": 3,
                    "gleason_secondary": 3,
                    "percent_positive_biopsies": 20,
                    "psa_ng_ml": 5,
                    "t_stage": "t1",
                },
                {
                    "age": 62,
                    "gleason_primary": 3,
                    "gleason_secondary": 3,
                    "percent_positive_biopsies": 20,
                    "psa_ng_ml": 5,
                    "t_stage": "t1",
                },
            ],
        },
    )
    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
3 h agoPassed402152 ms$0.007
8 h agoPassed402152 ms$0.007
12 h agoPassed402149 ms$0.007
17 h agoPassed402148 ms$0.007
22 h agoPassed402246 ms$0.007
Show 10 older checks
26 h agoPassed402292 ms$0.007
30 h agoPassed402244 ms$0.007
34 h agoPassed402184 ms$0.007
39 h agoPassed402198 ms$0.007
43 h agoPassed402147 ms$0.007
47 h agoPassed402448 ms$0.007
2 days agoPassed402156 ms$0.007
2 days agoPassed402236 ms$0.007
3 days agoPassed402137 ms$0.007
3 days agoPassed402280 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007