Macro

{
  "briefing_metadata": {
    "correlations_count": 2,
    "description": "Fed balance sheet, M2 money supply, Treasury yields at 2Y, 10Y and 30Y, 10Y breakeven inflation, dollar strength (the UUP ETF), and composite net liquidity with trend direction across all four, plus global central-bank balance-sheet overlay (BOJ total assets, ECB total assets, Eurozone M3) for cross-region liquidity context; and the latest US releases as published: the Employment Situation (nonfarm payrolls and the unemployment rate), the Consumer Price Index and the weekly jobless claims, each with what it revised and the next release date",
    "metrics_count": 15,
    "name": "Macro Snapshot"
  },
  "briefing_used": "macro.snapshot",
  "metrics": {
    "boj-balance": {
      "name": "boj-balance"
    },
    "breakeven-10y": {
      "name": "breakeven-10y"
    },
    "dxy": {
      "name": "dxy"
    },
    "ecb-balance": {
      "name": "ecb-balance"
    },
    "eu-m3": {
      "name": "eu-m3"
    },
    "fed-balance": {
      "name": "fed-balance"
    },
    "m2-supply": {
      "name": "m2-supply"
    },
    "net-liquidity": {
      "name": "net-liquidity"
    },
    "t10y3m-spread": {
      "name": "t10y3m-spread"
    },
    "tga": {
      "name": "tga"
    },
    "treasury-10y": {
      "name": "treasury-10y"
    },
    "treasury-2y": {
      "name": "treasury-2y"
    },
    "treasury-30y": {
      "name": "treasury-30y"
    },
    "us-debt-total": {
      "name": "us-debt-total"
    },
    "yield-curve": {
      "name": "yield-curve"
    }
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.prereason.com/api/macro?format=json'

# 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.prereason.com/api/macro?format=json' \
  | 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%2Fapi.prereason.com%2Fapi%2Fmacro
const res = await pay("https://api.prereason.com/api/macro?format=json");
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://api.prereason.com/api/macro?format=json")
    print(res.status_code, res.text)