Financials

{
  "financials": {
    "balance_sheets": [
      {
        "fiscal_period": "FY2024",
        "period": "annual",
        "report_period": "2024-09-28",
        "shareholders_equity": 56950000000,
        "ticker": "AAPL",
        "total_assets": 364980000000,
        "total_liabilities": 308030000000
      }
    ],
    "cash_flow_statements": [
      {
        "fiscal_period": "FY2024",
        "free_cash_flow": 84289000000,
        "net_cash_flow_from_operations": 118254000000,
        "period": "annual",
        "report_period": "2024-09-28",
        "ticker": "AAPL"
      }
    ],
    "income_statements": [
      {
        "currency": "USD",
        "earnings_per_share": 6.11,
        "fiscal_period": "FY2024",
        "net_income": 93736000000,
        "period": "annual",
        "report_period": "2024-09-28",
        "revenue": 391035000000,
        "ticker": "AAPL"
      }
    ]
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://stablefinance.dev/api/financials?limit=4&period=annual&ticker=AAPL'

# 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://stablefinance.dev/api/financials?limit=4&period=annual&ticker=AAPL' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fstablefinance.dev%2Fapi%2Ffinancials
const res = await pay("https://stablefinance.dev/api/financials?limit=4&period=annual&ticker=AAPL");
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://stablefinance.dev/api/financials?limit=4&period=annual&ticker=AAPL")
    print(res.status_code, res.text)