X402tap · Prediction ARB

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://x402tap.com/api/prediction-arb", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://x402tap.com/api/prediction-arb?limit=5&minDivergencePct=10" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "count": 1,
  "matches": [
    {
      "cheaperYesOn": "kalshi",
      "divergencePct": 12.4,
      "kalshi": {
        "subTitle": null,
        "ticker": "KXFED-99",
        "title": "Fed cuts rates at September FOMC meeting?",
        "yesProbability": 0.496
      },
      "matchScore": 0.5,
      "polymarket": {
        "question": "Will the Fed cut rates in September?",
        "slug": "example-market",
        "volume24hr": 45678.9,
        "yesProbability": 0.62
      }
    }
  ],
  "minDivergencePct": 10,
  "note": "Matches are found by keyword-overlap similarity...",
  "query": null
}