E

eu-verify · Predict Kalshi

by eu-verify

GETBase

$0.01

per call · USD Coin on Base

Open markets on Kalshi, the CFTC-regulated US event exchange, most-traded first: ticker, title, live yes bid/ask (USD, 0-1), mid-quote implied probability, 24h volume, open interest and close time, from the public Trade API v2. Query: ?series=KXBTC (optional series_ticker filter, e.g. KXBTC, KXCPIYOY) &limit=1-25 (default 10). JSON, 5min cache. Cross-reference /v1/predict/polymarket for venue spreads.

Endpoint

GET https://data.greeneris.io/v1/predict/kalshi

1

Calls / 30d

1

Unique payers / 30d

Aug 27

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://data.greeneris.io/v1/predict/kalshi", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://data.greeneris.io/v1/predict/kalshi?limit=5&series=KXFED" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "count": 1,
  "markets": [
    {
      "close_time": "2027-03-17T17:55:00Z",
      "implied_prob": 0.26,
      "last_price": 0.05,
      "open_interest": 1305,
      "subtitle": "4.00%",
      "ticker": "KXFED-27MAR-T4.00",
      "title": "Will the upper bound of the federal funds rate be above 4.00% following the Fed's Mar 17, 2027 meeting?",
      "volume_24h": 21,
      "yes_ask": 0.49,
      "yes_bid": 0.03
    }
  ],
  "series": "KXFED",
  "source": "Kalshi Trade API v2 (CFTC-regulated event exchange, live public quotes, prices in USD 0-1)"
}

Payment details

Pay to0x6ab8efe305cce67daa48c97bde29c04402822dff
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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