Polymarket Market

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-market" \
  -H "content-type: application/json" \
  -d '{"slug":"will-oprah-winfrey-win-the-2028-democratic-presidential-nomination"}'

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-market
const res = await pay("https://api.vextorium.com/v1/polymarket-market", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"slug":"will-oprah-winfrey-win-the-2028-democratic-presidential-nomination"}),
});
console.log(await res.json());

Example input

{
  "slug": "will-oprah-winfrey-win-the-2028-democratic-presidential-nomination"
}

Example output

{
  "best_buy": null,
  "best_sell": 0.001,
  "change_24h": null,
  "close": "2028-11-08T04:59:00Z",
  "description": "This market will resolve to “Yes” if the named individual wins and accepts the 2028 nomination of the Democratic Party for U.S. president. Otherwise, this market will resolve to “No”.\n\nThe resolution source for this market will be a consensus of official Democratic Party sources.\n\nAny replacement of…",
  "id": "559687",
  "last_price": 0.001,
  "link": "https://polymarket.com/market/will-oprah-winfrey-win-the-2028-democratic-presidential-nomination",
  "liquidity_usd": 2887065,
  "open": true,
  "question": "Will Oprah Winfrey win the 2028 Democratic presidential nomination?",
  "resolution_source": null,
  "results": [
    {
      "option": "Yes",
      "probability_pct": 0.05
    },
    {
      "option": "No",
      "probability_pct": 99.95
    }
  ],
  "slug": "will-oprah-winfrey-win-the-2028-democratic-presidential-nomination",
  "start": "2025-07-11T18:36:32.333Z",
  "tokens_clob": [
    "2213957649161627793381994368131485505647723208738124952452819345058597751695",
    "44046525152074436753629616217525652949736205933417533647338274649282385796755"
  ],
  "total_volume_usd": 54432527,
  "volume_24h_usd": 1050
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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