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Polymarket Whale Entries
x402
Polymarket Whale Entries is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $0.136/call, status unknown (last checked 2026-09-15).
Retrieves large-position ('whale') entry data from Polymarket prediction markets, surfacing significant trades and capital movements.
Price / call$0.136
Success—
StatusUnknown
How this service works
Scans Polymarket for recent large-position trades. Returns whale entries filtered by minimum USDC value (size × entry price). Includes trader wallet, YES/NO side, USDC amount, entry price, market name, and on-chain tx hash. Use for smart-money signals, copy-trade detection, or market sentiment confirmation. Free upstream; no API keys.
Output
A list of large-position trades on Polymarket including trader wallet addresses, markets entered, USDC amounts staked, entry prices, and timestamps of the whale activity.
Example use cases
Example prompt
“Show me the latest whale entries on Polymarket — I want to see which prediction markets big players are moving into and how much USDC they're putting in.”
Technical details
Endpoint
GEThttps://the-stall.intuitek.ai/cap/polymarket-whale-entriesWhen to prefer
Use this endpoint when you need to track smart money or large-capital movements on Polymarket prediction markets — ideal for sentiment analysis, alpha generation, or monitoring which markets institutional-scale bettors are entering. Prefer this over generic Polymarket APIs when the focus is specifically on detecting outsized single trades rather than aggregate market stats.
Side effects
- No whale entries found in the requested time window — returns empty array
- Market data temporarily unavailable from Polymarket — upstream error
- Invalid market identifier — returns 400 error
- Payment not confirmed — 402 response requiring USDC payment on Base mainnet
- Rate limit exceeded for the endpoint
Input
{
"required": "polymarket_whale_entries",
"properties": "market_id,entry_price,entry_amount"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
{
"trades": [
{
"ts": "2026-06-12T04:59:09.000Z",
"side": "BUY",
"size": 3235,
"price": 0.9869,
"wallet": "0x5ed790c19aa5c7faf9c8f9fdc184f7951d3c60cb",
"outcome": "No",
"tx_hash": "0x5e8fc385674294762be5f5ecf3d1d25de722cf73c539487205f0361f99a1ee52",
"pseudonym": "Hateful-Column",
"market_url": "https://polymarket.com/event/elon-musk-of-tweets-june-5-june-12",
"usdc_value": 3192.5,
"market_title": "Will Elon Musk post 260-279 tweets from June 5 to June 12, 2026?"
},
{
"ts": "2026-06-12T04:59:06.000Z",
"side": "BUY",
"size": 3312,
"price": 0.64,
"wallet": "0x90cc893ba5b7d9e49da12692aeabb7ebdbb3b1c1",
"outcome": "Down",
"tx_hash": "0xa338154a6d9cca01efaf3e9c20cc7eabe9f42e2e9865944cc95db783bee68b58",
"pseudonym": "Deserted-Insurance",
"market_url": "https://polymarket.com/event/btc-updown-5m-1781240400",
"usdc_value": 2119.68,
"market_title": "Bitcoin Up or Down - June 12, 1:00AM-1:05AM ET"
},
{
"ts": "2026-06-12T04:59:06.000Z",
"side": "BUY",
"size": 2493.03,
"price": 0.6132,
"wallet": "0x90cc893ba5b7d9e49da12692aeabb7ebdbb3b1c1",
"outcome": "Down",
"tx_hash": "0x9e2a4d67e0d067f905297d770757316245cafb8edc43658b8d6b202d01d15493",
"pseudonym": "Deserted-Insurance",
"market_url": "https://polymarket.com/event/btc-updown-5m-1781240400",
"usdc_value": 1528.76,
"market_title": "Bitcoin Up or Down - June 12, 1:00AM-1:05AM ET"
},
{
"ts": "2026-06-12T04:59:04.000Z",
"side": "BUY",
"size": 1278,
"price": 0.5637,
"wallet": "0x90cc893ba5b7d9e49da12692aeabb7ebdbb3b1c1",
"outcome": "Down",
"tx_hash": "0x5167e9adb729d3b729c3d1067a7c6dcadead0141c818be672886433d0c911ac7",
"pseudonym": "Deserted-Insurance",
"market_url": "https://polymarket.com/event/btc-updown-5m-1781240400",
"usdc_value": 720.41,
"market_title": "Bitcoin Up or Down - June 12, 1:00AM-1:05AM ET"
},
{
"ts": "2026-06-12T04:59:16.000Z",
"side": "BUY",
"size": 1816.16,
"price": 0.39,
"wallet": "0x29b52d98ac9ef9414b04164246c95bc63d74cc6c",
"outcome": "MOUZ",
"tx_hash": "0x1e1512389bef318205818de26d9e83280284d2fdc24c0dd8a9b0f84f8a8a166e",
"pseudonym": "Rash-Barometer",
"market_url": "https://polymarket.com/event/cs2-furia-mouz-2026-06-12",
"usdc_value": 708.3,
"market_title": "Counter-Strike: FURIA vs MOUZ (BO3) - IEM Cologne Major Stage 3"
},
{
"ts": "2026-06-12T04:59:15.000Z",
"side": "BUY",
"size": 961.423,
"price": 0.71,
"wallet": "0x5b6331e7ff0831a3fe2ed12004747db1a9c911a4",
"outcome": "Yes",
"tx_hash": "0x947bec1499a1880508b69a43dec6d2769b3c81a621c6dc80d46dd8d7315dd285",
"pseudonym": "Monstrous-Dew",
"market_url": "https://polymarket.com/event/fifwc-uzb-col-2026-06-17",
"usdc_value": 682.61,
"market_title": "Will Colombia win on 2026-06-17?"
}
],
"fetched_at": "2026-06-12T05:08:53.635Z",
"total_found": 6,
"pool_scanned": 500,
"min_usdc_threshold": 500
}Tags
x402
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