Polymarket orderbook · Polymarket Orderbook

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://agent402.tools/api/polymarket-orderbook", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "depth": 5,
    "tokenId": "73572420636299743863462231021719080735797435555188685901000528926122020595832"
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/polymarket-orderbook" \
  -H "Content-Type: application/json" \
  -d '{"depth":5,"tokenId":"73572420636299743863462231021719080735797435555188685901000528926122020595832"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "asks": [
    {
      "price": 0.63,
      "size": 800
    },
    {
      "price": 0.64,
      "size": 1200
    }
  ],
  "asset": "72909...",
  "bestAsk": 0.63,
  "bestBid": 0.61,
  "bids": [
    {
      "price": 0.61,
      "size": 1000
    },
    {
      "price": 0.6,
      "size": 500
    }
  ],
  "market": "0xabc...",
  "midPrice": 0.62,
  "source": "polymarket-clob",
  "spread": 0.02,
  "timestamp": "1751234567",
  "tokenId": "72909..."
}