80trust / 100

Fda Label

by SiteCheck in Other

x402 APIPassing, checked 1 h ago

The latest US drug label (FDA SPL) for a brand or generic name: brand, generic name, manufacturer, indications, dosage, warnings and contraindications (each cut to 1,000 characters) and the set id. Information from the label only; it is not medical advice. Source: openFDA. Information only, not medical advice.

GET
https://api.sitecheck-api.workers.dev/api/fda/label
Price
$0.002
per call in USDC
Uptime
100%
last 30 days
Response time
61 ms
200 ms slowest 5%
Last check
Passed
1 h ago, next any minute now

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed

How to call it

GET https://api.sitecheck-api.workers.dev/api/fda/label

Each call costs $0.002 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.sitecheck-api.workers.dev/api/fda/label?drug=advil

Parameters

ParameterTypeRequiredDescription
drugstringYesBrand or generic drug name, e.g. advil or ibuprofen

Example response

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

{
  "attribution": "openFDA",
  "brand": "Advil Menstrual Pain",
  "checkedAt": "2026-10-14T07:00:30.628Z",
  "contraindications": null,
  "disclaimer": "Information only, not medical advice.",
  "dosage": "Directions do not take more than directed the smallest effective dose should be used adults and children 12 years and over: take 1 tablet every 4 to 6 hours while symptoms persist if pain or fever does not respond to 1 tablet, 2 tablets may be used do not exceed 6 tablets in 24 hours, unless directed by a doctor children under 12 years: ask a doctor",
  "drug": "advil",
  "effectiveTime": "20260820",
  "generic": "IBUPROFEN SODIUM",
  "indications": "Uses temporarily relieves minor aches and pains due to: menstrual cramps backache headache muscular aches the common cold toothache minor pain of arthritis temporarily reduces fever",
  "manufacturer": "Haleon US Holdings LLC",
  "setId": "ae1625f4-ef32-4d4f-bf54-c44085843e41",
  "source": "https://api.fda.gov/drug/label.json",
  "warnings": "Warnings Allergy alert: Ibuprofen may cause a severe allergic reaction, especially in people allergic to aspirin. Symptoms may include: hives facial swelling asthma (wheezing) shock skin reddening rash blisters If an allergic reaction occurs, stop use and seek medical help right away. Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you: are age 60 or older have had stomach ulcers or bleeding problems take a blood thinning (anticoagulant) or steroid drug take other drugs containing prescription or nonprescription NSAIDs [aspirin, ibuprofen, naproxen, or others] have 3 or more alcoholic drinks every day while using this product take more or for a longer time than directed Heart attack and stroke warning: NSAIDs, except aspirin, increase the risk of heart attack, heart failure, and stroke. These can be fatal. The risk is higher if you use more than directed or for longer than directed. Do not use if you have ever h"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/fda/label?drug=advil'

# 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.sitecheck-api.workers.dev/api/fda/label?drug=advil' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sitecheck-api.workers.dev%2Fapi%2Ffda%2Flabel
const res = await pay("https://api.sitecheck-api.workers.dev/api/fda/label?drug=advil");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
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.sitecheck-api.workers.dev/api/fda/label?drug=advil")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
1 h agoPassed402200 ms$0.002
6 h agoPassed40271 ms$0.002
10 h agoPassed402131 ms$0.002
14 h agoPassed40261 ms$0.002
19 h agoPassed40242 ms$0.002
Show 1 older checks
23 h agoPassed40258 ms$0.002