Polymarket History

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-history" \
  -H "content-type: application/json" \
  -d '{"interval":"1d","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-history
const res = await pay("https://api.vextorium.com/v1/polymarket-history", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"interval":"1d","slug":"will-oprah-winfrey-win-the-2028-democratic-presidential-nomination"}),
});
console.log(await res.json());

Example input

{
  "interval": "1d",
  "slug": "will-oprah-winfrey-win-the-2028-democratic-presidential-nomination"
}

Example output

{
  "change_pp": 0,
  "current_probability_pct": 0.05,
  "interval": "1d",
  "max_pct": 0.05,
  "min_pct": 0.05,
  "question": "Will Oprah Winfrey win the 2028 Democratic presidential nomination?",
  "result": "Yes",
  "series": [
    {
      "date": "2026-10-01T20:30+00:00",
      "probability_pct": 0.05
    },
    {
      "date": "2026-10-01T21:00+00:00",
      "probability_pct": 0.05
    }
  ]
}

Security scan

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

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