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Predge Biggest Bets — Whale Intelligence for Prediction Markets
x402
Predge Biggest Bets — Whale Intelligence for Prediction Markets is a paid API for AI agents from api.predge.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-11).
Returns the largest USD-denominated bets placed by whale traders on Polymarket within a specified lookback window, with wallet scores and win-rate metadata.
Price / call$0.005
Success—
StatusUnknown
How this service works
Real-time alerts on whale traders on Polymarket. Heuristic Insider Watch, wallet scoring 0–100, Bloomberg-style web terminal. Free plan included.
Output
A JSON array of the largest Polymarket trades in the requested window, each including the wallet address, wallet score (0–100), 30-day win rate, bet side (yes/no), price, USD size, market title and slug, condition ID, transaction hash, category, and block timestamp. Also includes the window duration and data-quality flags (outcome_verified, insufficient_data).
Example use cases
Spot smart money before a political event
“Show me the largest Polymarket bets placed in the last 24 hours, especially on any political or economic markets — I want to see which high-scoring wallets are moving big money right now.”
Weekly whale recap for a trading newsletter
“Give me the biggest Polymarket trades from the past 7 days, including wallet scores and 30-day win rates, so I can write up which whales made the boldest calls this week.”
Alert on high-conviction insider-flagged bets
“Fetch the biggest bets on Polymarket from the last 24 hours and flag any wallets with a score above 75 — I'm looking for high-conviction whale moves that might signal insider knowledge.”
Technical details
Endpoint
GEThttps://api.predge.io/v1/bets/biggest?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a ranked, ready-to-use list of the largest dollar-value trades on Polymarket with pre-computed wallet intelligence (score, win rate, insider heuristics) attached. Prefer it over raw blockchain queries when you want curated whale signals without building your own wallet scoring or on-chain indexing pipeline.
Side effects
- Invalid window value returns a 400 error (only '24h' or '7d' accepted)
- No trades available for the window returns an empty trades array
- Payment failure (x402 protocol) returns 402 Payment Required
- Rate limiting or quota exceeded returns 429 Too Many Requests
- Upstream Polymarket data lag may cause stale or incomplete results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"trades": [
{
"side": "yes",
"price": 0.62,
"wallet": "0x8dab6cf42d7e4d1cd6cca897b9e12a8cbe6d69e8",
"tx_hash": "0x6a7de5…",
"category": "economics",
"platform": "polymarket",
"size_usd": 25400,
"market_slug": "fed-rate-cut-september",
"condition_id": "0x178a746e2b342c25b1d78d0f0d0ea77157c9b6d40b2e97ffbf827cd7f9994c39",
"market_title": "Will the Fed cut rates in September?",
"wallet_score": 81,
"block_timestamp": "2026-07-17T09:41:02.000Z",
"wallet_win_rate_30d": 0.67
}
],
"window": "24h",
"window_hours": 24,
"outcome_verified": false,
"insufficient_data": false
}
}Tags
x402
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