Macro

{
  "btc_usd": 93000,
  "core_cpi_yoy": 2.8,
  "core_pce_yoy": 2.6,
  "cpi_yoy": 2.7,
  "dxy": 99.8,
  "fear_greed": {
    "label": "Greed",
    "value": 62
  },
  "fed_funds_rate": 3.64,
  "gdp_growth_qoq": 2.4,
  "gold_usd": 3300,
  "m2_yoy": 3.1,
  "macro_tone": "stable — no major stress signals",
  "mortgage_30y": 6.3,
  "narrative": "The US economy is in a soft-landing regime...",
  "oil_wti": 62.5,
  "spy": 540,
  "summary": "Fed: 3.64% | 10Y: 4.3% | 2Y: 3.78% | Spread: +0.52% (normal) | CPI: 2.7% | Core PCE: 2.6% | VIX: 19.4 (calm) | Unemp: 4.3%",
  "treasury_10y": 4.3,
  "treasury_2y": 3.78,
  "treasury_3m": 4.32,
  "unemployment": 4.3,
  "vix": 19.4,
  "vix_signal": "calm",
  "yield_curve_signal": "normal (growth expected)",
  "yield_curve_spread": 0.52
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://macro.lonestaroracle.xyz/macro'

# 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://macro.lonestaroracle.xyz/macro' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fmacro.lonestaroracle.xyz%2Fmacro
const res = await pay("https://macro.lonestaroracle.xyz/macro");
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://macro.lonestaroracle.xyz/macro")
    print(res.status_code, res.text)