SiteCheck Polymarket Wallet Activity

x402

SiteCheck Polymarket Wallet Activity is a paid API for AI agents from api.sitecheck-api.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-29).

Fetches recent trading activity (buys/sells) for a given Polymarket wallet address

Price / call$0.003

Seller volume →—

Success—

StatusUnknown

How this service works

Fetches recent trading and on-chain lifecycle activity (trades, splits, merges, redemptions) for a Polymarket user or proxy wallet address. Includes market question titles, action types, amounts, and transaction hashes. Limit up to 100 items. Information only, not financial advice.

Output

Returns a JSON object containing the queried wallet address, a list of trade activity records (each with side, size, slug, type, price, title, outcome, USDC size, timestamp, and transaction hash), total activity count, a checkedAt timestamp, and a disclaimer note. Sourced from the Polymarket Data API.

Example use cases

Track a whale's Polymarket bets

“Show me the last 50 trades for Polymarket wallet 0xe9076a87c5ed90ef16e6fe6529c943baeca0cff6 — I want to see what markets they're buying and selling, the prices they paid, and the USDC amounts.”

Monitor own Polymarket portfolio activity

“Can you fetch my recent Polymarket activity for wallet 0xe9076a87c5ed90ef16e6fe6529c943baeca0cff6? I want to see the last 10 trades I made, including what I bought and sold.”

Audit a wallet's prediction market history

“I need to audit the trading history for Polymarket address 0xe9076a87c5ed90ef16e6fe6529c943baeca0cff6 — show me up to 100 recent trades with the market titles, outcomes, prices, and timestamps.”

Technical details

Endpoint

GEThttps://api.sitecheck-api.workers.dev/api/pm/activity?utm_source=zero.xyz

When to prefer

Use this endpoint when you need on-chain Polymarket trading history for a specific wallet, including trade direction, prices, USDC amounts, and market titles. Prefer this over generic blockchain explorers when you want Polymarket-structured, human-readable market data (titles, outcomes, slugs) rather than raw transaction data.

Side effects

Invalid or malformed wallet address (not 42-char 0x hex) returns an error
Wallet has no Polymarket activity — returns empty activity array
limit parameter exceeds 100 — capped or error returned
Polymarket Data API upstream unavailable — upstream fetch failure
Non-EVM address format causes a validation error

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "source": "Polymarket Data API (data-api.polymarket.com/activity)",
    "wallet": "0xe9076a87c5ed90ef16e6fe6529c943baeca0cff6",
    "activity": [
      {
        "side": "BUY",
        "size": 27.2,
        "slug": "uel-olm-oly-2026-10-15-olm",
        "type": "TRADE",
        "price": 0.35,
        "title": "Will Olympique de Marseille win on 2026-10-15?",
        "outcome": "Yes",
        "usdcSize": 9.83,
        "timestamp": "2026-10-15T18:20:46.000Z",
        "transactionHash": "0xab0d91d7cf17712b0767b9add0704fd5f04a98c83eefd35a5264b6eef3bab213"
      },
      {
        "side": "BUY",
        "size": 3.65,
        "slug": "uel-lyo-cry-2026-10-15-total-3pt5",
        "type": "TRADE",
        "price": 0.52,
        "title": "Olympique Lyonnais vs. Crystal Palace FC: O/U 3.5",
        "outcome": "Over",
        "usdcSize": 1.95,
        "timestamp": "2026-10-15T18:20:41.000Z",
        "transactionHash": "0x62fa28e815eeca273af12b7151b2dfffcd7f27a4cdd49f77ed07b1c2629bef58"
      },
      {
        "side": "SELL",
        "size": 7.12,
        "slug": "dota2-playti-skyrea-2026-10-15-game1",
        "type": "TRADE",
        "price": 0.999,
        "title": "Dota 2: PlayTime vs Skyreavers - Game 1 Winner",
        "outcome": "Skyreavers",
        "usdcSize": 7.11,
        "timestamp": "2026-10-15T18:20:17.000Z",
        "transactionHash": "0x40de41cf50c5ab486fa036901f9ca81d675d942588e61cfe1cee8ecc25a668fe"
      }
    ],
    "checkedAt": "2026-10-15T18:21:04.594Z",
    "disclaimer": "Information only, not financial advice.",
    "activityCount": 10
  }
}

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