Predict Polymarket

Last 30 days

Uptime

100%

Response time

178 ms typical, 178 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://data.greeneris.io/v1/predict/polymarket?limit=3&tag=crypto"

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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdata.greeneris.io%2Fv1%2Fpredict%2Fpolymarket
const res = await pay("https://data.greeneris.io/v1/predict/polymarket?limit=3&tag=crypto");
console.log(await res.json());

Example input

{
  "limit": 3,
  "tag": "crypto"
}

Example output

{
  "events": [
    {
      "end_date": "2026-07-13T12:00:00Z",
      "markets": [
        {
          "probabilities": {
            "No": 0.0015,
            "Yes": 0.9985
          },
          "question": "Bitcoin above $105,000 on July 13?",
          "volume_24h_usd": 297988.65
        }
      ],
      "slug": "bitcoin-above-on-july-13-2026",
      "title": "Bitcoin above ___ on July 13?",
      "volume_24h_usd": 1801399.98
    }
  ],
  "source": "Polymarket Gamma API (live on-chain prediction-market odds)",
  "tag": "crypto"
}

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