Polymarket Events

Last 30 days

Uptime

0.0%

Response time

- typical, - slowest 5%

Last check

4 h ago: Amount "0.004" is not in atomic token units

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.vextorium.com/v1/polymarket-events" \
  -H "content-type: application/json" \
  -d '{"limit":2}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fpolymarket-events
const res = await pay("https://api.vextorium.com/v1/polymarket-events", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"limit":2}),
});
console.log(await res.json());

Example input

{
  "limit": 2
}

Example output

{
  "events": [
    {
      "close": "2026-10-05T03:59:00Z",
      "event": "Brazil Presidential Election",
      "link": "https://polymarket.com/event/brazil-presidential-election",
      "markets": [
        {
          "option": "Flávio Bolsonaro",
          "probability_yes_pct": 56.95,
          "slug": "will-flvio-bolsonaro-win-the-2026-brazilian-presidential-election",
          "volume_usd": 13676392
        },
        {
          "option": "Luiz Inácio Lula da Silva",
          "probability_yes_pct": 43.5,
          "slug": "will-luiz-incio-lula-da-silva-win-the-2026-brazilian-presidential-election",
          "volume_usd": 14053722
        }
      ],
      "num_markets": 32,
      "slug": "brazil-presidential-election",
      "total_volume_usd": 162530742,
      "volume_24h_usd": 2719744
    },
    {
      "close": "2026-10-29T03:59:00Z",
      "event": "Fed Decision in October?",
      "link": "https://polymarket.com/event/fed-decision-in-october-20260617190323537",
      "markets": [
        {
          "option": "No change",
          "probability_yes_pct": 82.5,
          "slug": "will-there-be-no-change-in-fed-interest-rates-after-the-october-2026-meeting-20260617190324031",
          "volume_usd": 7162734
        },
        {
          "option": "25 bps increase",
          "probability_yes_pct": 17.5,
          "slug": "will-the-fed-increase-interest-rates-by-25-bps-after-the-october-2026-meeting-20260617190324032",
          "volume_usd": 6115654
        }
      ],
      "num_markets": 5,
      "slug": "fed-decision-in-october-20260617190323537",
      "total_volume_usd": 24244124,
      "volume_24h_usd": 2232441
    }
  ],
  "note": "Probabilities implied by the market price; they are not guaranteed predictions.",
  "search": null,
  "source": "Polymarket"
}

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