Medical Adverse Events

{
  "deaths_pct": 6.6,
  "deaths_reported": 18732,
  "drug": "ibuprofen",
  "hospitalizations": 85489,
  "hospitalizations_pct": 30.2,
  "life_threatening": 14902,
  "note": "FDA adverse event reports are voluntary and unverified; counts show reports received, not incidence, and do not establish that a product caused an event; reports include any in which the drug is listed, as suspect or concomitant",
  "patient_sex": [
    {
      "pct": 65.5,
      "reports": 163687,
      "sex": "female"
    },
    {
      "pct": 34,
      "reports": 85017,
      "sex": "male"
    },
    {
      "pct": 0.5,
      "reports": 1307,
      "sex": "unknown"
    }
  ],
  "reports_total": 283402,
  "serious_pct": 63.1,
  "serious_reports": 178873,
  "source": "FDA FAERS via openFDA",
  "top_reactions": [
    {
      "pct_of_reports": 9.7,
      "reaction": "DRUG INEFFECTIVE",
      "reports": 27382
    },
    {
      "pct_of_reports": 6.9,
      "reaction": "PAIN",
      "reports": 19488
    },
    {
      "pct_of_reports": 6.6,
      "reaction": "FATIGUE",
      "reports": 18757
    },
    {
      "pct_of_reports": 6.5,
      "reaction": "NAUSEA",
      "reports": 18294
    },
    {
      "pct_of_reports": 5.8,
      "reaction": "HEADACHE",
      "reports": 16568
    },
    {
      "pct_of_reports": 4.8,
      "reaction": "ARTHRALGIA",
      "reports": 13465
    }
  ],
  "top_reporting_countries": [
    {
      "country": "US",
      "reports": 160391
    },
    {
      "country": "CA",
      "reports": 17755
    },
    {
      "country": "GB",
      "reports": 15397
    },
    {
      "country": "DE",
      "reports": 12596
    },
    {
      "country": "FR",
      "reports": 6206
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/medical/adverse-events?drug=ibuprofen'

# 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://saylorinnovations.com/api/medical/adverse-events?drug=ibuprofen' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fsaylorinnovations.com%2Fapi%2Fmedical%2Fadverse-events
const res = await pay("https://saylorinnovations.com/api/medical/adverse-events?drug=ibuprofen");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://saylorinnovations.com/api/medical/adverse-events?drug=ibuprofen")
    print(res.status_code, res.text)