$0.02
per call · USD Coin on Base
Live probability: Which party wins the next US presidential election? — Stable evergreen URL for a recurring question: Which party wins the next US presidential election? Auto-resolves to the current market instance and rolls forward on resolution, so the answer is always about the next occurrence. Response adds current_slug and rolls_to_next_at to the standard probability shape.
Endpoint
GET https://x402-factory.com/v1/evergreen/presidential-election-winner-party26
Calls / 30d
4
Unique payers / 30d
Sep 6
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://x402-factory.com/v1/evergreen/presidential-election-winner-party", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://x402-factory.com/v1/evergreen/presidential-election-winner-party" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"category": "politics",
"current_slug": "republican-wins-presidency-2028",
"divergence": 0,
"last_move_1h": -0.0018,
"per_venue": [
{
"implied_p": 0.5049,
"liquidity_score": 1,
"market_id": "KXREPUBLICANWINS",
"venue": "kalshi",
"volume_24h_usd": 694856.63
},
{
"implied_p": 0.5049,
"liquidity_score": 0.99,
"market_id": "republican-wins-presidency-2028",
"venue": "polymarket",
"volume_24h_usd": 532283.98
}
],
"probability": 0.5049,
"question": "Will the Republican candidate win the 2028 US presidential election?",
"resolution_criteria_summary": "Resolves YES if the Republican nominee wins the 2028 presidential election.",
"resolution_date": "2028-11-07",
"rolls_to_next_at": "2028-11-07",
"slug": "republican-wins-presidency-2028",
"topic": "presidential-election-winner-party",
"topic_question": "Which party wins the next US presidential election?"
},
"meta": {
"data_mode": "live",
"docs": "https://x402-factory.com/docs/probability.evergreen.presidential-election-winner-party",
"endpoint": "/v1/evergreen/presidential-election-winner-party",
"freshness": "realtime",
"generated_at": "2026-09-04T22:29:54.785Z",
"request_id": "req_00000000",
"sources": [
"kalshi",
"polymarket"
],
"version": "1.0.0"
}
}Payment details
0xcc42ed39a06b6cf3f484307ef76b88bf56fb305fUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Games & Fun and the homepage with a featured placement.
More from x402-factory & similar services
x402-factory · Ping
x402-factory.com
Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints.
x402-factory · Edge Backtest
x402-factory.com
Historical performance of the edge signal: hit rate, calibration, by hazard — Aggregates stored edge signals whose markets have resolved: how often the model beat the market (hit rate), average absolute-error improvement (edge captured), a model calibration curve, and per-hazard breakdowns. model_label is explicit about which model produced the signals.
x402-factory · Board FED
x402-factory.com
All active Federal Reserve markets with live probabilities in one call — One-call board of the most active Federal Reserve prediction markets: top markets by volume with blended live probabilities, resolution dates, and per-market slugs for drill-down. The bulk read for agents tracking the state of Federal Reserve at a glance.