$0.02
per call · USD Coin on Base
Live probability: Will the Fed chair change this year? — Stable evergreen URL for a recurring question: Will the Fed chair change this year? 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/fed-chair-change-this-year2
Calls / 30d
1
Unique payers / 30d
Sep 1
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/fed-chair-change-this-year", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://x402-factory.com/v1/evergreen/fed-chair-change-this-year" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"category": "economics",
"current_slug": "fed-chair-replaced-2026",
"divergence": 0,
"last_move_1h": -0.0003,
"per_venue": [
{
"implied_p": 0.0783,
"liquidity_score": 0.839,
"market_id": "fed-chair-replaced-2026",
"venue": "polymarket",
"volume_24h_usd": 54305.26
}
],
"probability": 0.0783,
"question": "Will the Fed chair be replaced or step down in 2026?",
"resolution_criteria_summary": "Resolves YES if the Federal Reserve chair leaves office for any reason during 2026.",
"resolution_date": "2026-12-31",
"rolls_to_next_at": "2026-12-31",
"slug": "fed-chair-replaced-2026",
"topic": "fed-chair-change-this-year",
"topic_question": "Will the Fed chair change this year?"
},
"meta": {
"data_mode": "live",
"docs": "https://x402-factory.com/docs/probability.evergreen.fed-chair-change-this-year",
"endpoint": "/v1/evergreen/fed-chair-change-this-year",
"freshness": "realtime",
"generated_at": "2026-09-01T09:36:55.000Z",
"request_id": "req_00000000",
"sources": [
"kalshi",
"polymarket"
],
"version": "1.0.0"
}
}Payment details
0xcc42ed39a06b6cf3f484307ef76b88bf56fb305fUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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