Markets

{
  "disclaimer": "Information only, not financial advice.",
  "poweredBy": {
    "text": "Powered by Panta",
    "url": "https://panta.market"
  },
  "results": [
    {
      "buyable": true,
      "closesAt": "2026-12-31T23:59:59.000Z",
      "id": "7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU",
      "impliedProbability": {
        "no": 0.69,
        "yes": 0.31
      },
      "phase": "primary",
      "priceUsdc": {
        "no": 0.69,
        "yes": 0.31
      },
      "question": "Will BTC close above $150k on 2026-12-31?",
      "resolutionSource": "https://www.coingecko.com",
      "volumeUsdc": 1200
    }
  ],
  "total": 3
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sitecheck-api.workers.dev/api/markets?limit=5&q=bitcoin&status=primary'

# 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.sitecheck-api.workers.dev/api/markets?limit=5&q=bitcoin&status=primary' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sitecheck-api.workers.dev%2Fapi%2Fmarkets
const res = await pay("https://api.sitecheck-api.workers.dev/api/markets?limit=5&q=bitcoin&status=primary");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
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.sitecheck-api.workers.dev/api/markets?limit=5&q=bitcoin&status=primary")
    print(res.status_code, res.text)