ToolVet
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Calc Gir

by magent in Documents & files

x402 APIPassing, checked 10 min ago

Neonatal glucose infusion rate (GIR, mg/kg/min) from the unit conversion used with AAP 2011 postnatal glucose homeostasis: GIR = (dextrose_percent x rate_ml_h) / (6 x weight_kg), or (dextrose_percent x rate_ml_kg_h) / 6. Provide rate_ml_h plus weight_kg, or rate_ml_kg_h, not both rate styles. Dextrose 2.5-25% and weight 0.4-10 kg are magent clamps, not AAP input bands. Reports GIR only. Does not order dextrose or TPN. Not a medical device.

GET
https://api.magentlab.com/api/calc/gir
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
143 ms
919 ms slowest 5%
Last check
Passed
10 min ago, next in 6 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/gir

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/gir?dextrose_percent=10&rate_ml_h=7.5&rate_ml_kg_h=2.5&weight_kg=3

Parameters

ParameterTypeRequiredDescription
dextrose_percentnumberYesDextrose concentration as percent (2.5-25, magent clamp; AAP 2011 does not publish an input band). 10 is D10W. magent does not order dextrose.
rate_ml_hnumberNoInfusion rate in ml/h (0.5-200, magent clamp; AAP 2011 does not publish an input band). Provide this with weight_kg, or provide rate_ml_kg_h, not both rate styles.
rate_ml_kg_hnumberNoInfusion rate in ml/kg/h (0.5-20, magent clamp). GIR = (dextrose_percent × rate_ml_kg_h) / 6. Provide this or rate_ml_h plus weight_kg, not both rate styles.
weight_kgnumberNoWeight in kg (0.4-10, magent clamp; AAP 2011 does not publish an input band). Required with rate_ml_h. Not required when rate_ml_kg_h is the only rate. magent does not weigh the infant.

Example response

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

{
  "citation": {
    "authors": "Adamkin DH; Committee on Fetus and Newborn, American Academy of Pediatrics",
    "doi": "10.1542/peds.2010-3851",
    "id": "aap-2011-glucose",
    "pmid": "21357346",
    "source": "Pediatrics. 2011;127(3):575-579",
    "title": "Postnatal glucose homeostasis in late-preterm and term infants"
  },
  "dextrose_percent": 10,
  "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": "gir",
  "formula_expression": "gir_mg_kg_min = (dextrose_percent × rate_ml_h) / (6 × weight_kg); equivalently (dextrose_percent × rate_ml_kg_h) / 6",
  "gir_mg_kg_min": 4.2,
  "rate_ml_h": 7.5,
  "rate_ml_kg_h": 2.5,
  "weight_kg": 3
}

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/gir?dextrose_percent=10&rate_ml_h=7.5&rate_ml_kg_h=2.5&weight_kg=3'

# 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/gir?dextrose_percent=10&rate_ml_h=7.5&rate_ml_kg_h=2.5&weight_kg=3' \
  | 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%2Fgir
const res = await pay("https://api.magentlab.com/api/calc/gir?dextrose_percent=10&rate_ml_h=7.5&rate_ml_kg_h=2.5&weight_kg=3");
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/gir?dextrose_percent=10&rate_ml_h=7.5&rate_ml_kg_h=2.5&weight_kg=3")
    print(res.status_code, res.text)

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Recent checks

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10 min agoPassed402137 ms$0.005
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41 h agoPassed402139 ms$0.005
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2 days agoPassed402233 ms$0.005
3 days agoPassed402143 ms$0.005
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4 days agoPassed402181 ms$0.005
4 days agoPassed402136 ms$0.005