Midterms

{
  "election": "2026-11-03",
  "house": {
    "gopControlPct": 20.8,
    "gopSeats": {
      "p10": 177,
      "p50": 203,
      "p90": 225
    }
  },
  "markets": [
    {
      "edgeYesPp": -8.3,
      "kind": "control",
      "market": "Will the Democratic Party control the Senate after the 2026 Midterm elections?",
      "marketYesPct": 51.5,
      "momusYesPct": 43.2,
      "venue": "polymarket"
    }
  ],
  "runId": "mid-2026-09-07",
  "senate": {
    "gopControlPct": 56.7,
    "gopSeats": {
      "p10": 46,
      "p50": 50,
      "p90": 54
    }
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.momusai.io/midterms'

# 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://x402.momusai.io/midterms' \
  | 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%2Fx402.momusai.io%2Fmidterms
const res = await pay("https://x402.momusai.io/midterms");
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://x402.momusai.io/midterms")
    print(res.status_code, res.text)