65trust / 100

Calc Caprini

x402 APIFailing, checked 5 min ago

Caprini 2005 thrombosis risk assessment (Table 3): exclusive age (41-60=1, 61-74=2, >=75=3) and exclusive surgery (minor=1; arthroscopic/major/laparoscopic=2; arthroplasty=5) plus caller-assigned 1-, 2-, 3-, and 5-point flags. Max 78. Bands: 0-1 low, 2 moderate, 3-4 high, >=5 highest. Not a diagnosis. Not Caprini 2009/2013. Not a prophylaxis order.

POST

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

Price: $0.007; per call in USDC
Uptime: 88.9%; last 30 days
Response time: 254 ms; 551 ms slowest 5%
Last check: Failed; 5 min ago, next in 50 min

Run a free test call How to call it

Reliability

All checks passedSome failedAll failedNot checked

Latest check failed 5 min ago: Timed out

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

How to call it

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

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/caprini
content-type: application/json

{
  "items": [
    {
      "abnormal_pulmonary_function": false,
      "acute_myocardial_infarction": false,
      "adverse_pregnancy_history": false,
      "age": 50,
      "anticardiolipin_antibodies": false,
      "central_venous_access": false,
      "confined_to_bed_gt_72h": false,
      "congestive_heart_failure": false,
      "elevated_homocysteine": false,
      "factor_v_leiden": false,
      "family_history_thrombosis": false,
      "heparin_induced_thrombocytopenia": false,
      "hip_pelvis_leg_fracture": false,
      "history_dvt_pe": false,
      "immobilizing_plaster_cast": false,
      "inflammatory_bowel_disease": false,
      "lupus_anticoagulant": false,
      "malignancy": false,
      "medical_bed_rest": false,
      "multiple_trauma": false,
      "obesity": false,
      "oral_contraceptives_or_hrt": false,
      "other_risk_factor": false,
      "other_thrombophilia": false,
      "pregnancy_or_postpartum": false,
      "prior_major_surgery": false,
      "prothrombin_20210a": false,
      "sepsis": false,
      "serious_lung_disease": false,
      "spinal_cord_injury": false,
      "stroke": false,
      "surgery": "none",
      "swollen_legs": false,
      "varicose_veins": false
    },
    {
      "abnormal_pulmonary_function": false,
      "acute_myocardial_infarction": false,
      "adverse_pregnancy_history": false,
      "age": 50,
      "anticardiolipin_antibodies": false,
      "central_venous_access": false,
      "confined_to_bed_gt_72h": false,
      "congestive_heart_failure": false,
      "elevated_homocysteine": false,
      "factor_v_leiden": false,
      "family_history_thrombosis": false,
      "heparin_induced_thrombocytopenia": false,
      "hip_pelvis_leg_fracture": false,
      "history_dvt_pe": false,
      "immobilizing_plaster_cast": false,
      "inflammatory_bowel_disease": false,
      "lupus_anticoagulant": false,
      "malignancy": false,
      "medical_bed_rest": false,
      "multiple_trauma": false,
      "obesity": false,
      "oral_contraceptives_or_hrt": false,
      "other_risk_factor": false,
      "other_thrombophilia": false,
      "pregnancy_or_postpartum": false,
      "prior_major_surgery": false,
      "prothrombin_20210a": false,
      "sepsis": false,
      "serious_lung_disease": false,
      "spinal_cord_injury": false,
      "stroke": false,
      "surgery": "none",
      "swollen_legs": false,
      "varicose_veins": false
    }
  ]
}

Parameters

Parameter	Type	Required	Description
`items`	array of object	Yes

Example response

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

Example response, 250 lines

{
  "count": 2,
  "items": [
    {
      "age_years": 50,
      "citation": {
        "authors": "Caprini JA",
        "doi": "10.1016/j.disamonth.2005.02.003",
        "id": "caprini-2005",
        "pmid": "15900257",
        "source": "Dis Mon. 2005;51(2-3):70-78",
        "title": "Thrombosis risk assessment as a guide to quality patient care"
      },
      "components": [
        {
          "factor": "age",
          "points": 1,
          "present": true,
          "value": 50
        },
        {
          "factor": "surgery",
          "points": 0,
          "present": false,
          "value": "none"
        },
        {
          "factor": "prior_major_surgery",
          "points": 0,
          "present": false
        },
        {
          "factor": "varicose_veins",
          "points": 0,
          "present": false
        },
        {
          "factor": "inflammatory_bowel_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "swollen_legs",
          "points": 0,
          "present": false
        },
        {
          "factor": "obesity",
          "points": 0,
          "present": false
        },
        {
          "factor": "acute_myocardial_infarction",
          "points": 0,
          "present": false
        },
        {
          "factor": "congestive_heart_failure",
          "points": 0,
          "present": false
        },
        {
          "factor": "sepsis",
          "points": 0,
          "present": false
        },
        {
          "factor": "serious_lung_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "abnormal_pulmonary_function",
          "points": 0,
          "present": false
        },
        {
          "factor": "medical_bed_rest",
          "points": 0,
          "present": false
        },
        {
          "factor": "other_risk_factor",
          "points": 0,
          "present": false
        },
        {
          "factor": "oral_contraceptives_or_hrt",
          "points": 0,
          "present": false
        },
        {
          "factor": "pregnancy_or_postpartum",
          "points": 0,
          "present": false
        },
        {
          "factor": "adverse_pregnancy_history",
          "points": 0,
          "present": false
        },
        {
          "factor": "malignancy",
          "points": 0,
          "present": false
        },
        {
          "factor": "confined_to_bed_gt_72h",
          "points": 0,
          "present": false
        },
        {
          "factor": "immobilizing_plaster_cast",
          "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": "caprini",
      "formula_expression": "Caprini 2005 = exclusive age (<=40: 0, 41-60: 1, 61-74: 2, >=75: 3) + exclusive surgery (none 0, minor 1, arthroscopic 2, major >45 min 2, laparoscopic >45 min 2, elective arthroplasty 5) + Table 3 flags (1, 2, 3, or 5); max 78; 0-1 low, 2 moderate, 3-4 high, >=5 highest",
      "max_score": 78,
      "risk_band": "low",
      "score": 1,
      "surgery": "none"
    },
    {
      "age_years": 50,
      "citation": {
        "authors": "Caprini JA",
        "doi": "10.1016/j.disamonth.2005.02.003",
        "id": "caprini-2005",
        "pmid": "15900257",
        "source": "Dis Mon. 2005;51(2-3):70-78",
        "title": "Thrombosis risk assessment as a guide to quality patient care"
      },
      "components": [
        {
          "factor": "age",
          "points": 1,
          "present": true,
          "value": 50
        },
        {
          "factor": "surgery",
          "points": 0,
          "present": false,
          "value": "none"
        },
        {
          "factor": "prior_major_surgery",
          "points": 0,
          "present": false
        },
        {
          "factor": "varicose_veins",
          "points": 0,
          "present": false
        },
        {
          "factor": "inflammatory_bowel_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "swollen_legs",
          "points": 0,
          "present": false
        },
        {
          "factor": "obesity",
          "points": 0,
          "present": false
        },
        {
          "factor": "acute_myocardial_infarction",
          "points": 0,
          "present": false
        },
        {
          "factor": "congestive_heart_failure",
          "points": 0,
          "present": false
        },
        {
          "factor": "sepsis",
          "points": 0,
          "present": false
        },
        {
          "factor": "serious_lung_disease",
          "points": 0,
          "present": false
        },
        {
          "factor": "abnormal_pulmonary_function",
          "points": 0,
          "present": false
        },
        {
          "factor": "medical_bed_rest",
          "points": 0,
          "present": false
        },
        {
          "factor": "other_risk_factor",
          "points": 0,
          "present": false
        },
        {
          "factor": "oral_contraceptives_or_hrt",
          "points": 0,
          "present": false
        },
        {
          "factor": "pregnancy_or_postpartum",
          "points": 0,
          "present": false
        },
        {
          "factor": "adverse_pregnancy_history",
          "points": 0,
          "present": false
        },
        {
          "factor": "malignancy",
          "points": 0,
          "present": false
        },
        {
          "factor": "confined_to_bed_gt_72h",
          "points": 0,
          "present": false
        },
        {
          "factor": "immobilizing_plaster_cast",
          "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": "caprini",
      "formula_expression": "Caprini 2005 = exclusive age (<=40: 0, 41-60: 1, 61-74: 2, >=75: 3) + exclusive surgery (none 0, minor 1, arthroscopic 2, major >45 min 2, laparoscopic >45 min 2, elective arthroplasty 5) + Table 3 flags (1, 2, 3, or 5); max 78; 0-1 low, 2 moderate, 3-4 high, >=5 highest",
      "max_score": 78,
      "risk_band": "low",
      "score": 1,
      "surgery": "none"
    }
  ],
  "path": "/api/calc/caprini"
}

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/caprini' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_pulmonary_function":false,"acute_myocardial_infarction":false,"adverse_pregnancy_history":false,"age":50,"anticardiolipin_antibodies":false,"central_venous_access":false,"confined_to_bed_gt_72h":false,"congestive_heart_failure":false,"elevated_homocysteine":false,"factor_v_leiden":false,"family_history_thrombosis":false,"heparin_induced_thrombocytopenia":false,"hip_pelvis_leg_fracture":false,"history_dvt_pe":false,"immobilizing_plaster_cast":false,"inflammatory_bowel_disease":false,"lupus_anticoagulant":false,"malignancy":false,"medical_bed_rest":false,"multiple_trauma":false,"obesity":false,"oral_contraceptives_or_hrt":false,"other_risk_factor":false,"other_thrombophilia":false,"pregnancy_or_postpartum":false,"prior_major_surgery":false,"prothrombin_20210a":false,"sepsis":false,"serious_lung_disease":false,"spinal_cord_injury":false,"stroke":false,"surgery":"none","swollen_legs":false,"varicose_veins":false},{"abnormal_pulmonary_function":false,"acute_myocardial_infarction":false,"adverse_pregnancy_history":false,"age":50,"anticardiolipin_antibodies":false,"central_venous_access":false,"confined_to_bed_gt_72h":false,"congestive_heart_failure":false,"elevated_homocysteine":false,"factor_v_leiden":false,"family_history_thrombosis":false,"heparin_induced_thrombocytopenia":false,"hip_pelvis_leg_fracture":false,"history_dvt_pe":false,"immobilizing_plaster_cast":false,"inflammatory_bowel_disease":false,"lupus_anticoagulant":false,"malignancy":false,"medical_bed_rest":false,"multiple_trauma":false,"obesity":false,"oral_contraceptives_or_hrt":false,"other_risk_factor":false,"other_thrombophilia":false,"pregnancy_or_postpartum":false,"prior_major_surgery":false,"prothrombin_20210a":false,"sepsis":false,"serious_lung_disease":false,"spinal_cord_injury":false,"stroke":false,"surgery":"none","swollen_legs":false,"varicose_veins":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/caprini' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"abnormal_pulmonary_function":false,"acute_myocardial_infarction":false,"adverse_pregnancy_history":false,"age":50,"anticardiolipin_antibodies":false,"central_venous_access":false,"confined_to_bed_gt_72h":false,"congestive_heart_failure":false,"elevated_homocysteine":false,"factor_v_leiden":false,"family_history_thrombosis":false,"heparin_induced_thrombocytopenia":false,"hip_pelvis_leg_fracture":false,"history_dvt_pe":false,"immobilizing_plaster_cast":false,"inflammatory_bowel_disease":false,"lupus_anticoagulant":false,"malignancy":false,"medical_bed_rest":false,"multiple_trauma":false,"obesity":false,"oral_contraceptives_or_hrt":false,"other_risk_factor":false,"other_thrombophilia":false,"pregnancy_or_postpartum":false,"prior_major_surgery":false,"prothrombin_20210a":false,"sepsis":false,"serious_lung_disease":false,"spinal_cord_injury":false,"stroke":false,"surgery":"none","swollen_legs":false,"varicose_veins":false},{"abnormal_pulmonary_function":false,"acute_myocardial_infarction":false,"adverse_pregnancy_history":false,"age":50,"anticardiolipin_antibodies":false,"central_venous_access":false,"confined_to_bed_gt_72h":false,"congestive_heart_failure":false,"elevated_homocysteine":false,"factor_v_leiden":false,"family_history_thrombosis":false,"heparin_induced_thrombocytopenia":false,"hip_pelvis_leg_fracture":false,"history_dvt_pe":false,"immobilizing_plaster_cast":false,"inflammatory_bowel_disease":false,"lupus_anticoagulant":false,"malignancy":false,"medical_bed_rest":false,"multiple_trauma":false,"obesity":false,"oral_contraceptives_or_hrt":false,"other_risk_factor":false,"other_thrombophilia":false,"pregnancy_or_postpartum":false,"prior_major_surgery":false,"prothrombin_20210a":false,"sepsis":false,"serious_lung_disease":false,"spinal_cord_injury":false,"stroke":false,"surgery":"none","swollen_legs":false,"varicose_veins":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%2Fcaprini&method=POST
const res = await pay("https://api.magentlab.com/api/calc/caprini", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "abnormal_pulmonary_function": false,
        "acute_myocardial_infarction": false,
        "adverse_pregnancy_history": false,
        "age": 50,
        "anticardiolipin_antibodies": false,
        "central_venous_access": false,
        "confined_to_bed_gt_72h": false,
        "congestive_heart_failure": false,
        "elevated_homocysteine": false,
        "factor_v_leiden": false,
        "family_history_thrombosis": false,
        "heparin_induced_thrombocytopenia": false,
        "hip_pelvis_leg_fracture": false,
        "history_dvt_pe": false,
        "immobilizing_plaster_cast": false,
        "inflammatory_bowel_disease": false,
        "lupus_anticoagulant": false,
        "malignancy": false,
        "medical_bed_rest": false,
        "multiple_trauma": false,
        "obesity": false,
        "oral_contraceptives_or_hrt": false,
        "other_risk_factor": false,
        "other_thrombophilia": false,
        "pregnancy_or_postpartum": false,
        "prior_major_surgery": false,
        "prothrombin_20210a": false,
        "sepsis": false,
        "serious_lung_disease": false,
        "spinal_cord_injury": false,
        "stroke": false,
        "surgery": "none",
        "swollen_legs": false,
        "varicose_veins": false
      },
      {
        "abnormal_pulmonary_function": false,
        "acute_myocardial_infarction": false,
        "adverse_pregnancy_history": false,
        "age": 50,
        "anticardiolipin_antibodies": false,
        "central_venous_access": false,
        "confined_to_bed_gt_72h": false,
        "congestive_heart_failure": false,
        "elevated_homocysteine": false,
        "factor_v_leiden": false,
        "family_history_thrombosis": false,
        "heparin_induced_thrombocytopenia": false,
        "hip_pelvis_leg_fracture": false,
        "history_dvt_pe": false,
        "immobilizing_plaster_cast": false,
        "inflammatory_bowel_disease": false,
        "lupus_anticoagulant": false,
        "malignancy": false,
        "medical_bed_rest": false,
        "multiple_trauma": false,
        "obesity": false,
        "oral_contraceptives_or_hrt": false,
        "other_risk_factor": false,
        "other_thrombophilia": false,
        "pregnancy_or_postpartum": false,
        "prior_major_surgery": false,
        "prothrombin_20210a": false,
        "sepsis": false,
        "serious_lung_disease": false,
        "spinal_cord_injury": false,
        "stroke": false,
        "surgery": "none",
        "swollen_legs": false,
        "varicose_veins": 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/caprini",
        json={
            "items": [
                {
                    "abnormal_pulmonary_function": False,
                    "acute_myocardial_infarction": False,
                    "adverse_pregnancy_history": False,
                    "age": 50,
                    "anticardiolipin_antibodies": False,
                    "central_venous_access": False,
                    "confined_to_bed_gt_72h": False,
                    "congestive_heart_failure": False,
                    "elevated_homocysteine": False,
                    "factor_v_leiden": False,
                    "family_history_thrombosis": False,
                    "heparin_induced_thrombocytopenia": False,
                    "hip_pelvis_leg_fracture": False,
                    "history_dvt_pe": False,
                    "immobilizing_plaster_cast": False,
                    "inflammatory_bowel_disease": False,
                    "lupus_anticoagulant": False,
                    "malignancy": False,
                    "medical_bed_rest": False,
                    "multiple_trauma": False,
                    "obesity": False,
                    "oral_contraceptives_or_hrt": False,
                    "other_risk_factor": False,
                    "other_thrombophilia": False,
                    "pregnancy_or_postpartum": False,
                    "prior_major_surgery": False,
                    "prothrombin_20210a": False,
                    "sepsis": False,
                    "serious_lung_disease": False,
                    "spinal_cord_injury": False,
                    "stroke": False,
                    "surgery": "none",
                    "swollen_legs": False,
                    "varicose_veins": False,
                },
                {
                    "abnormal_pulmonary_function": False,
                    "acute_myocardial_infarction": False,
                    "adverse_pregnancy_history": False,
                    "age": 50,
                    "anticardiolipin_antibodies": False,
                    "central_venous_access": False,
                    "confined_to_bed_gt_72h": False,
                    "congestive_heart_failure": False,
                    "elevated_homocysteine": False,
                    "factor_v_leiden": False,
                    "family_history_thrombosis": False,
                    "heparin_induced_thrombocytopenia": False,
                    "hip_pelvis_leg_fracture": False,
                    "history_dvt_pe": False,
                    "immobilizing_plaster_cast": False,
                    "inflammatory_bowel_disease": False,
                    "lupus_anticoagulant": False,
                    "malignancy": False,
                    "medical_bed_rest": False,
                    "multiple_trauma": False,
                    "obesity": False,
                    "oral_contraceptives_or_hrt": False,
                    "other_risk_factor": False,
                    "other_thrombophilia": False,
                    "pregnancy_or_postpartum": False,
                    "prior_major_surgery": False,
                    "prothrombin_20210a": False,
                    "sepsis": False,
                    "serious_lung_disease": False,
                    "spinal_cord_injury": False,
                    "stroke": False,
                    "surgery": "none",
                    "swollen_legs": False,
                    "varicose_veins": 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
5 min ago	Timed out	-	-	-
6 h ago	Timed out	-	-	-
11 h ago	Timed out	-	-	-
15 h ago	Timed out	-	-	-
20 h ago	Passed	402	386 ms	$0.007

Show 10 older checks

25 h ago	Passed	402	167 ms	$0.007
30 h ago	Passed	402	203 ms	$0.007
35 h ago	Passed	402	321 ms	$0.007
39 h ago	Passed	402	308 ms	$0.007
44 h ago	Passed	402	269 ms	$0.007
2 days ago	Passed	402	292 ms	$0.007
2 days ago	Passed	402	197 ms	$0.007
2 days ago	Passed	402	445 ms	$0.007
3 days ago	Passed	402	154 ms	$0.007
3 days ago	Passed	402	193 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.

Is this your service?

Verify ownership to get the badge and 10 more trust points. Featured placement needs it too.

Verify ownership

Changed something? Check it again now and see what agents get.

Show the score

A badge for your README or docs. It updates with every check and links here.

Trust score

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