Kalshi markets list · Kalshi Markets
$0.002
per call · USD Coin on Base
List Kalshi markets (CFTC-regulated US event contracts). Filter by status (open/closed/settled/unopened) or by event ticker. Returns yes/no bid/ask, last price, volume, open interest. Complement to Polymarket for US-regulated markets and Kalshi-only categories (weather, economic data).
Endpoint
POST https://agent402.tools/api/kalshi-markets4
Calls / 30d
1
Unique payers / 30d
Aug 31
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://agent402.tools/api/kalshi-markets", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"limit": 5,
"status": "open"
}),
});
const data = await res.json();curl -X POST \
"https://agent402.tools/api/kalshi-markets" \
-H "Content-Type: application/json" \
-d '{"limit":5,"status":"open"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"count": 1,
"cursor": "next-page-token",
"markets": [
{
"closeTime": "2026-11-03T23:59:00Z",
"eventTicker": "PRES-24",
"lastPrice": 0.46,
"noAsk": 0.55,
"noBid": 0.53,
"openInterest": 5678,
"openTime": "2026-01-01T00:00:00Z",
"status": "open",
"subtitle": "2026 US Presidential election",
"ticker": "PRES-24-DEM",
"title": "Will the Democratic nominee win?",
"venue": "kalshi",
"venueUrl": "https://kalshi.com/markets/pres-24-dem",
"volume": 12345,
"yesAsk": 0.47,
"yesBid": 0.45
}
],
"source": "kalshi"
}Payment details
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