ToolVet
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Calc Rebound Hyperbilirubinemia

by magent in Other

x402 APIPassing, checked 3 h ago

Chang 2017 three-variable rebound hyperbilirubinemia score: +15 if GA <38 weeks, −7 × age at phototherapy start in days, −4 × (caller AAP phototherapy threshold − TSB at termination), +50. Scores <20 correspond to a <4% chance of TSB returning to threshold within 72 hours. magent does not assay bilirubin or compute the AAP nomogram. Not Chang 2019. Not a phototherapy order.

GET
https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
228 ms
532 ms slowest 5%
Last check
Passed
3 h ago, next in 3 h

Run a free test callHow to call it

Reliability

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

How to call it

GET https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia

Each call costs $0.005 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.

GET https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia?age_at_initiation_days=3&gestational_age_weeks=39&phototherapy_threshold_mg_dl=16&tsb_at_termination_mg_dl=12

Parameters

ParameterTypeRequiredDescription
age_at_initiation_daysnumberYesChronologic age at phototherapy initiation in days (0-14; fractional days allowed). Chang 2017 treated infants before age 14 days. magent does not convert hours.
gestational_age_weeksintegerYesGestational age in completed weeks, integer 35-45. Chang 2017 cohort was ≥35 weeks. Scores +15 when <38 weeks; 38 weeks and above score 0. magent does not convert days.
phototherapy_threshold_mg_dlnumberYesCaller-supplied AAP phototherapy threshold in mg/dL at termination (0-40). Difference is (threshold − TSB) and may be negative if TSB is still above threshold. magent does not compute the AAP nomogram.
tsb_at_termination_mg_dlnumberYesTotal serum bilirubin at phototherapy termination in mg/dL (0-40). magent does not assay bilirubin.

Example response

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

{
  "age_at_initiation_days": 3,
  "citation": {
    "authors": "Chang PW, Kuzniewicz MW, McCulloch CE, Newman TB",
    "doi": "10.1542/peds.2016-2896",
    "id": "chang-2017",
    "pmid": "28196932",
    "source": "Pediatrics. 2017;139(3):e20162896",
    "title": "A Clinical Prediction Rule for Rebound Hyperbilirubinemia Following Inpatient Phototherapy"
  },
  "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": "rebound_hyperbilirubinemia",
  "formula_expression": "score = (15 if gestational_age_weeks < 38 else 0) - 7 × age_at_initiation_days - 4 × (phototherapy_threshold_mg_dl − tsb_at_termination_mg_dl) + 50; Chang 2017 three-variable integer prediction score; scores <20 correspond to a <4% probability of rebound (TSB back to phototherapy threshold within 72 hours)",
  "gestational_age_weeks": 39,
  "phototherapy_threshold_mg_dl": 16,
  "score": 13,
  "score_lt_20": true,
  "tsb_at_termination_mg_dl": 12
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia?age_at_initiation_days=3&gestational_age_weeks=39&phototherapy_threshold_mg_dl=16&tsb_at_termination_mg_dl=12'

# 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 - 'https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia?age_at_initiation_days=3&gestational_age_weeks=39&phototherapy_threshold_mg_dl=16&tsb_at_termination_mg_dl=12' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Frebound_hyperbilirubinemia
const res = await pay("https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia?age_at_initiation_days=3&gestational_age_weeks=39&phototherapy_threshold_mg_dl=16&tsb_at_termination_mg_dl=12");
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.magentlab.com/api/calc/rebound_hyperbilirubinemia?age_at_initiation_days=3&gestational_age_weeks=39&phototherapy_threshold_mg_dl=16&tsb_at_termination_mg_dl=12")
    print(res.status_code, res.text)

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Recent checks

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