Kalshi markets list · Kalshi Markets

by Kalshi markets list

POSTBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$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-markets

4

Calls / 30d

1

Unique payers / 30d

Aug 31

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
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
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

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Schemesexact, upto

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