Device Adverse Events

{
  "complete": false,
  "disclaimer": "openFDA data is unvalidated and is not medical advice; do not rely on it to make decisions regarding medical care.",
  "eventTypes": [
    {
      "eventType": "Malfunction",
      "reports": 120000
    },
    {
      "eventType": "Injury",
      "reports": 50000
    },
    {
      "eventType": "Death",
      "reports": 300
    }
  ],
  "matched": 171622,
  "maxExcerptChars": 280,
  "query": {
    "brand": null,
    "device": "insulin pump",
    "manufacturer": null,
    "productCode": null,
    "since": null
  },
  "recentReports": [
    {
      "brandName": "EXAMPLE PUMP",
      "dateOfEvent": "2026-09-20",
      "dateReceived": "2026-10-01",
      "deviceClass": "2",
      "eventType": "Malfunction",
      "excerpt": "IT WAS REPORTED THAT THE PUMP ...",
      "excerptChars": 640,
      "excerptTruncated": true,
      "genericName": "INSULIN PUMP",
      "manufacturer": "Example Medical",
      "mdrReportKey": "21000000",
      "problems": [
        "Unintended Movement"
      ],
      "productCode": "LZG",
      "reportNumber": "2032227-2026-01234"
    }
  ],
  "returned": 1,
  "source": "api.fda.gov (openFDA device adverse events, public domain)",
  "topProblems": [
    {
      "problem": "Unintended Movement",
      "reports": 41009
    }
  ],
  "totalReports": 171622,
  "truncated": true
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://agent402.tools/api/device-adverse-events?device=insulin+pump&limit=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://agent402.tools/api/device-adverse-events?device=insulin+pump&limit=3' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
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 $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fdevice-adverse-events
const res = await pay("https://agent402.tools/api/device-adverse-events?device=insulin+pump&limit=3");
console.log(res.status, await res.text());

# 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 $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://agent402.tools/api/device-adverse-events?device=insulin+pump&limit=3")
    print(res.status_code, res.text)