Prediction Markets

{
  "by_category": {
    "crypto": [
      {
        "category": "crypto",
        "condition_id": "0xabababababababababababababababababababababababababababababababab",
        "question": "Will BTC hit $200K by end of 2026?"
      }
    ]
  },
  "categories": [
    "crypto"
  ],
  "category_counts": {
    "crypto": 1
  },
  "fetched_at": "2026-07-17T14:05:00+00:00",
  "markets": [
    {
      "category": "crypto",
      "condition_id": "0xabababababababababababababababababababababababababababababababab",
      "direction": "neutral",
      "liquidity": 450000,
      "no_price": 0.78,
      "question": "Will BTC hit $200K by end of 2026?",
      "source": "polymarket_intelligence_agent",
      "volume_usd": 125000,
      "yes_price": 0.22
    }
  ],
  "total": 1
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.newsgurus.ai/x402/prediction/markets?category=&limit=100'

# 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.newsgurus.ai/x402/prediction/markets?category=&limit=100' \
  | 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 $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
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 $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.newsgurus.ai%2Fx402%2Fprediction%2Fmarkets
const res = await pay("https://api.newsgurus.ai/x402/prediction/markets?category=&limit=100");
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 $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
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.newsgurus.ai/x402/prediction/markets?category=&limit=100")
    print(res.status_code, res.text)