Prediction Ending Soon

{
  "data": {
    "criteria": {
      "hours": 24,
      "limit": 25,
      "source": "all"
    },
    "returned": 1,
    "rows": [
      {
        "acceptingOrders": true,
        "active": true,
        "archived": false,
        "closed": false,
        "conditionId": "KXBTC-26MAY31-B100000",
        "endDateIso": "2026-05-31T20:00:00.000Z",
        "eventSlug": "bitcoin-price-may-31-2026",
        "eventTitle": "Bitcoin price on May 31, 2026",
        "indicative": true,
        "lastPrice": 0.43,
        "liquidity": 12800,
        "marketSlug": "kxbtc-26may31-b100000",
        "marketTicker": "KXBTC-26MAY31-B100000",
        "marketUrl": "https://kalshi.com/markets/KXBTC-26MAY31-B100000",
        "minOrderSize": 1,
        "minTickSize": 0.01,
        "minutesUntilEnd": 240,
        "noAsk": 0.58,
        "noBid": 0.56,
        "noPrice": 0.57,
        "question": "Will Bitcoin be above $100,000 on May 31, 2026?",
        "seriesSlug": "bitcoin",
        "seriesTicker": "KXBTC",
        "source": "kalshi",
        "sourceUpdatedAt": "2026-05-31T15:56:00.000Z",
        "volume": 193200,
        "volume24h": 28450,
        "yesAsk": 0.44,
        "yesBid": 0.42,
        "yesPrice": 0.43
      }
    ],
    "sourceCounts": {
      "gemini": 3,
      "kalshi": 4,
      "polymarket": 5
    },
    "sourceUpdatedAt": {
      "gemini": "2026-05-31T15:54:30.000Z",
      "kalshi": "2026-05-31T15:56:00.000Z",
      "polymarket": "2026-05-31T15:55:00.000Z"
    },
    "timestamp": 1760000000000,
    "totalCandidates": 12,
    "warnings": []
  },
  "meta": {
    "freshnessMs": 30000,
    "generatedAt": "2026-03-25T12:00:00.000Z",
    "requestId": "req_example_123",
    "updatedAt": "2026-03-25T11:59:30.000Z"
  },
  "product": {
    "accepts": [
      {
        "network": "eip155:8453",
        "payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
        "price": "$0.1000",
        "scheme": "exact"
      },
      {
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
        "price": "$0.1000",
        "scheme": "exact"
      }
    ],
    "id": "prediction-ending-soon",
    "method": "GET",
    "name": "Ending Soon Prediction Markets API",
    "networks": [
      "eip155:8453",
      "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
    ],
    "path": "/v1/prediction/ending-soon",
    "price": "$0.1000"
  },
  "service": "seerium-x402-api"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.seerium.xyz/v1/prediction/ending-soon?hours=24&limit=25&source=all'

# 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.seerium.xyz/v1/prediction/ending-soon?hours=24&limit=25&source=all' \
  | 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.seerium.xyz%2Fv1%2Fprediction%2Fending-soon
const res = await pay("https://api.seerium.xyz/v1/prediction/ending-soon?hours=24&limit=25&source=all");
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.seerium.xyz/v1/prediction/ending-soon?hours=24&limit=25&source=all")
    print(res.status_code, res.text)