Macro Rates

{
  "briefing_metadata": {
    "correlations_count": 2,
    "description": "Treasury par yield curve at every maturity, 1 month to 30 years, breakeven inflation at 5Y and 10Y, 5y5y forward inflation expectation, the 10Y-2Y spread, the 10Y-3M recession-indicator spread, Germany 10Y Bund as Eurozone long-end anchor for cross-region rate comparison, France 10Y and its spread over Germany (monthly averages from the ECB), and the latest FOMC statement: decision, vote, dissents and wording changes",
    "metrics_count": 22,
    "name": "Yield Curve and Breakeven Inflation"
  },
  "briefing_used": "macro.rates",
  "metrics": {
    "breakeven-10y": {
      "name": "breakeven-10y"
    },
    "breakeven-5y": {
      "name": "breakeven-5y"
    },
    "france-10y": {
      "name": "france-10y"
    },
    "france-germany-10y-spread": {
      "name": "france-germany-10y-spread"
    },
    "germany-10y": {
      "name": "germany-10y"
    },
    "t10y3m-spread": {
      "name": "t10y3m-spread"
    },
    "t5yifr": {
      "name": "t5yifr"
    },
    "treasury-1-5mo": {
      "name": "treasury-1-5mo"
    },
    "treasury-10y": {
      "name": "treasury-10y"
    },
    "treasury-1mo": {
      "name": "treasury-1mo"
    },
    "treasury-1y": {
      "name": "treasury-1y"
    },
    "treasury-20y": {
      "name": "treasury-20y"
    },
    "treasury-2mo": {
      "name": "treasury-2mo"
    },
    "treasury-2y": {
      "name": "treasury-2y"
    },
    "treasury-30y": {
      "name": "treasury-30y"
    },
    "treasury-3mo": {
      "name": "treasury-3mo"
    },
    "treasury-3y": {
      "name": "treasury-3y"
    },
    "treasury-4mo": {
      "name": "treasury-4mo"
    },
    "treasury-5y": {
      "name": "treasury-5y"
    },
    "treasury-6mo": {
      "name": "treasury-6mo"
    },
    "treasury-7y": {
      "name": "treasury-7y"
    },
    "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/rates?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/rates?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 $0.05 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%2Fapi.prereason.com%2Fapi%2Fmacro%2Frates
const res = await pay("https://api.prereason.com/api/macro/rates?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 $0.05 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://api.prereason.com/api/macro/rates?format=json")
    print(res.status_code, res.text)