70trust / 100

Calc Rome Iv Fd

by magent in Other

x402 APIPassing, checked 3 h ago

Stanghellini 2016 Rome IV B1 FD. rome_iv_fd is true iff last-3-months criteria with 6-month onset, no structural disease likely to explain symptoms, and PDS (B1a) and/or EPS (B1b). pds iff fullness and/or early satiation >=3 days/week. eps iff epigastric pain and/or burning >=1 day/week. Overlap allowed. Caller assigns six flags. magent does not examine the patient. Not a diagnosis, not Rome III dyspepsia, not Rome IV IBS.

POST
https://api.magentlab.com/api/calc/rome_iv_fd
Price
$0.007
per call in USDC
Uptime
96.9%
last 30 days
Response time
162 ms
470 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/rome_iv_fd

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/rome_iv_fd
content-type: application/json

{
  "items": [
    {
      "bothersome_early_satiation_ge_3_days_week": false,
      "bothersome_epigastric_burning_ge_1_day_week": false,
      "bothersome_epigastric_pain_ge_1_day_week": false,
      "bothersome_postprandial_fullness_ge_3_days_week": true,
      "criteria_last_3_months_onset_6_months": true,
      "no_structural_disease": true
    },
    {
      "bothersome_early_satiation_ge_3_days_week": false,
      "bothersome_epigastric_burning_ge_1_day_week": false,
      "bothersome_epigastric_pain_ge_1_day_week": false,
      "bothersome_postprandial_fullness_ge_3_days_week": true,
      "criteria_last_3_months_onset_6_months": true,
      "no_structural_disease": true
    }
  ]
}

Parameters

ParameterTypeRequiredDescription
itemsarray of objectYes

Example response

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

Example response, 114 lines
{
  "count": 2,
  "items": [
    {
      "citation": {
        "authors": "Stanghellini V, Chan FKL, Hasler WL, Malagelada JR, Suzuki H, Tack J, Talley NJ",
        "doi": "10.1053/j.gastro.2016.02.011",
        "id": "stanghellini-2016",
        "pmid": "27147122",
        "source": "Gastroenterology. 2016;150(6):1380-1392",
        "title": "Gastroduodenal Disorders"
      },
      "criteria": [
        {
          "factor": "criteria_last_3_months_onset_6_months",
          "met": true
        },
        {
          "factor": "no_structural_disease",
          "met": true
        },
        {
          "factor": "bothersome_postprandial_fullness_ge_3_days_week",
          "met": true
        },
        {
          "factor": "bothersome_early_satiation_ge_3_days_week",
          "met": false
        },
        {
          "factor": "pds",
          "met": true
        },
        {
          "factor": "bothersome_epigastric_pain_ge_1_day_week",
          "met": false
        },
        {
          "factor": "bothersome_epigastric_burning_ge_1_day_week",
          "met": false
        },
        {
          "factor": "eps",
          "met": false
        },
        {
          "factor": "pds_or_eps",
          "met": true
        }
      ],
      "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.",
      "eps": false,
      "formula": "rome_iv_fd",
      "formula_expression": "rome_iv_fd iff criteria_last_3_months_onset_6_months and no_structural_disease and (pds or eps); pds iff bothersome_postprandial_fullness_ge_3_days_week or bothersome_early_satiation_ge_3_days_week; eps iff bothersome_epigastric_pain_ge_1_day_week or bothersome_epigastric_burning_ge_1_day_week (Stanghellini 2016 Rome IV B1 functional dyspepsia)",
      "pds": true,
      "rome_iv_fd": true
    },
    {
      "citation": {
        "authors": "Stanghellini V, Chan FKL, Hasler WL, Malagelada JR, Suzuki H, Tack J, Talley NJ",
        "doi": "10.1053/j.gastro.2016.02.011",
        "id": "stanghellini-2016",
        "pmid": "27147122",
        "source": "Gastroenterology. 2016;150(6):1380-1392",
        "title": "Gastroduodenal Disorders"
      },
      "criteria": [
        {
          "factor": "criteria_last_3_months_onset_6_months",
          "met": true
        },
        {
          "factor": "no_structural_disease",
          "met": true
        },
        {
          "factor": "bothersome_postprandial_fullness_ge_3_days_week",
          "met": true
        },
        {
          "factor": "bothersome_early_satiation_ge_3_days_week",
          "met": false
        },
        {
          "factor": "pds",
          "met": true
        },
        {
          "factor": "bothersome_epigastric_pain_ge_1_day_week",
          "met": false
        },
        {
          "factor": "bothersome_epigastric_burning_ge_1_day_week",
          "met": false
        },
        {
          "factor": "eps",
          "met": false
        },
        {
          "factor": "pds_or_eps",
          "met": true
        }
      ],
      "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.",
      "eps": false,
      "formula": "rome_iv_fd",
      "formula_expression": "rome_iv_fd iff criteria_last_3_months_onset_6_months and no_structural_disease and (pds or eps); pds iff bothersome_postprandial_fullness_ge_3_days_week or bothersome_early_satiation_ge_3_days_week; eps iff bothersome_epigastric_pain_ge_1_day_week or bothersome_epigastric_burning_ge_1_day_week (Stanghellini 2016 Rome IV B1 functional dyspepsia)",
      "pds": true,
      "rome_iv_fd": true
    }
  ],
  "path": "/api/calc/rome_iv_fd"
}

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/rome_iv_fd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"bothersome_early_satiation_ge_3_days_week":false,"bothersome_epigastric_burning_ge_1_day_week":false,"bothersome_epigastric_pain_ge_1_day_week":false,"bothersome_postprandial_fullness_ge_3_days_week":true,"criteria_last_3_months_onset_6_months":true,"no_structural_disease":true},{"bothersome_early_satiation_ge_3_days_week":false,"bothersome_epigastric_burning_ge_1_day_week":false,"bothersome_epigastric_pain_ge_1_day_week":false,"bothersome_postprandial_fullness_ge_3_days_week":true,"criteria_last_3_months_onset_6_months":true,"no_structural_disease":true}]}'

# 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/rome_iv_fd' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"bothersome_early_satiation_ge_3_days_week":false,"bothersome_epigastric_burning_ge_1_day_week":false,"bothersome_epigastric_pain_ge_1_day_week":false,"bothersome_postprandial_fullness_ge_3_days_week":true,"criteria_last_3_months_onset_6_months":true,"no_structural_disease":true},{"bothersome_early_satiation_ge_3_days_week":false,"bothersome_epigastric_burning_ge_1_day_week":false,"bothersome_epigastric_pain_ge_1_day_week":false,"bothersome_postprandial_fullness_ge_3_days_week":true,"criteria_last_3_months_onset_6_months":true,"no_structural_disease":true}]}' \
  | 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%2Frome_iv_fd&method=POST
const res = await pay("https://api.magentlab.com/api/calc/rome_iv_fd", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "bothersome_early_satiation_ge_3_days_week": false,
        "bothersome_epigastric_burning_ge_1_day_week": false,
        "bothersome_epigastric_pain_ge_1_day_week": false,
        "bothersome_postprandial_fullness_ge_3_days_week": true,
        "criteria_last_3_months_onset_6_months": true,
        "no_structural_disease": true
      },
      {
        "bothersome_early_satiation_ge_3_days_week": false,
        "bothersome_epigastric_burning_ge_1_day_week": false,
        "bothersome_epigastric_pain_ge_1_day_week": false,
        "bothersome_postprandial_fullness_ge_3_days_week": true,
        "criteria_last_3_months_onset_6_months": true,
        "no_structural_disease": true
      }
    ]
  }),
});
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/rome_iv_fd",
        json={
            "items": [
                {
                    "bothersome_early_satiation_ge_3_days_week": False,
                    "bothersome_epigastric_burning_ge_1_day_week": False,
                    "bothersome_epigastric_pain_ge_1_day_week": False,
                    "bothersome_postprandial_fullness_ge_3_days_week": True,
                    "criteria_last_3_months_onset_6_months": True,
                    "no_structural_disease": True,
                },
                {
                    "bothersome_early_satiation_ge_3_days_week": False,
                    "bothersome_epigastric_burning_ge_1_day_week": False,
                    "bothersome_epigastric_pain_ge_1_day_week": False,
                    "bothersome_postprandial_fullness_ge_3_days_week": True,
                    "criteria_last_3_months_onset_6_months": True,
                    "no_structural_disease": True,
                },
            ],
        },
    )
    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 agoPassed402154 ms$0.007
8 h agoPassed402166 ms$0.007
13 h agoPassed402319 ms$0.007
17 h agoPassed402160 ms$0.007
22 h agoPassed402335 ms$0.007
Show 10 older checks
26 h agoPassed402309 ms$0.007
31 h agoPassed402408 ms$0.007
35 h agoPassed402213 ms$0.007
39 h agoPassed402325 ms$0.007
43 h agoPassed402146 ms$0.007
2 days agoPassed402285 ms$0.007
2 days agoPassed402302 ms$0.007
2 days agoPassed402239 ms$0.007
3 days agoPassed402261 ms$0.007
3 days agoPassed402162 ms$0.007

History

11 Oct 2026Price changed from $0.005 to $0.007