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Polygon PoS Large-Trade & Whale Tracker
x402
Polygon PoS Large-Trade & Whale Tracker is a paid API for AI agents from ca-tax-api-mainnet.lxtap.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-23).
Returns all large buys and sells of an ERC-20 token on Polygon PoS over a configurable look-back window, with USD size, wallet, transaction, volume aggregates, and top whale wallets.
Price / call$0.02
Success—
StatusUnknown
How this service works
Pay-per-call data for AI agents, paid in USDC on Base with x402: token risk checks (rug check) on Base, Ethereum, Arbitrum, Optimism, Polygon and Solana, onchain reads (balances, transactions, gas, contracts, NFTs, whale trades, new pools, ENS and Basenames), ECB exchange rates, and Canadian sales tax and business days.
Output
Returns a list of individual large trades (buy or sell) with USD size, side, wallet address, and transaction hash; aggregate buy volume, sell volume, and net flow over the window; and a ranked list of the wallets that bought or sold the most, all sourced from Uniswap v3 WPOL/USDC pools on Polygon PoS.
Example use cases
Whale accumulation alert for new token
“Check if any wallets are making big buys — over $2,000 each — in the token at 0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619 on Polygon over the last 60 minutes, and tell me which wallets bought the most.”
Net flow analysis before trading decision
“I'm about to take a position in 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270 on Polygon — can you pull the buy vs sell volume and net flow for the last 2 hours so I can see whether smart money is net buying or selling?”
Unusual trading spike investigation
“Something weird is happening with 0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063 on Polygon — fetch every trade over $10,000 in the last 30 minutes and list the wallets and transaction hashes so I can investigate.”
Technical details
Endpoint
GEThttps://ca-tax-api-mainnet.lxtap.workers.dev/polygon/trades?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time whale and large-trade surveillance specifically on Polygon PoS for a token traded on Uniswap v3 WPOL/USDC pools — especially when you want both individual trade-level detail (wallet, tx hash, USD size) and aggregate net flow metrics in a single call. Prefer it over generic DEX APIs when Polygon PoS chain specificity and the combined whale-ranking plus volume-summary output are required.
Side effects
- Invalid or non-checksummed token address returns a validation error
- Token with no Uniswap v3 WPOL/USDC liquidity pool returns empty results
- minutes parameter outside 5–240 range is rejected
- limit parameter outside 1–40 range is rejected
- Network congestion or RPC node downtime may cause delayed or failed responses
- Token has pools but no trades above minUsd threshold returns empty trade list
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"chain": "polygon",
"notes": "Trades from the 3 deepest WPOL/USDC pools; other pairs and aggregator-internal routes are not counted. Wallets are transaction senders, looked up for the 40 largest trades.",
"token": {
"symbol": "LINK",
"address": "0x53E0bca35eC356BD5ddDFebbD1Fc0fD03FaBad39",
"decimals": 18
},
"window": {
"to": "2026-10-22T16:23:24.000Z",
"from": "2026-10-22T15:23:24.000Z",
"minutes": 60,
"toBlock": 95987222,
"fromBlock": 95985422
},
"summary": {
"buys": 20,
"sells": 15,
"trades": 35,
"netFlowUsd": 145.557,
"buyVolumeUsd": 455.848,
"sellVolumeUsd": 310.29,
"largestTradeUsd": 79.4717
},
"nativeUsd": 0.0907291,
"topBuyers": [
{
"netUsd": 90.23,
"trades": 4,
"wallet": "0x3f6720364ACF02366a63e5F7106D314D31f688d1",
"soldUsd": 11.93,
"boughtUsd": 102.2
},
{
"netUsd": 71.03,
"trades": 2,
"wallet": "0x03E7c97adA2FA30752999A859d2d2e9f1881b4C8",
"soldUsd": 0,
"boughtUsd": 71.03
},
{
"netUsd": 59.98,
"trades": 1,
"wallet": "0x73bE04ABAa96c7D92Db28cD3AEF1539A77775d5b",
"soldUsd": 0,
"boughtUsd": 59.98
},
{
"netUsd": 39.05,
"trades": 1,
"wallet": "0xEe8411A0AC858a8e2E2Cae069D5d45fa5978bD6d",
"soldUsd": 0,
"boughtUsd": 39.05
},
{
"netUsd": 9.84,
"trades": 1,
"wallet": "0x9242966990B0B28CaF896e9fbdF048044BC7555e",
"soldUsd": 0,
"boughtUsd": 9.84
}
],
"topSellers": [
{
"netUsd": -70.5,
"trades": 3,
"wallet": "0xd2b648d4ceD31FB4EF142962C1d2Ea7428977F06",
"soldUsd": 70.5,
"boughtUsd": 0
},
{
"netUsd": -37.87,
"trades": 1,
"wallet": "0xB9A7f2B5A0290D01188b77F35cEEf046d332a60C",
"soldUsd": 37.87,
"boughtUsd": 0
},
{
"netUsd": -29.14,
"trades": 1,
"wallet": "0x96d0e9A19627903E24962c2fB8a43C728281CB4f",
"soldUsd": 29.14,
"boughtUsd": 0
},
{
"netUsd": -0.412,
"trades": 1,
"wallet": "0x03d9964f4D93a24B58c0Fc3a8Df3474b59Ba8557",
"soldUsd": 0.412,
"boughtUsd": 0
}
],
"largeTrades": [],
"poolsScanned": [
{
"dex": "uniswap-v3",
"pool": "0x79E4240E33C121402dfc9009dE266356c91f241d",
"pairedWith": "USDC"
},
{
"dex": "uniswap-v3",
"pool": "0x0A28C2F5E0E8463E047C203F00F649812aE67E4f",
"pairedWith": "WPOL"
},
{
"dex": "uniswap-v3",
"pool": "0x98b9162161164De1ED182A0dFA08f5fBf0F733CA",
"pairedWith": "WPOL"
}
]
}
}Tags
x402
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