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HTTPay Whale Tracker — Large Transfer Monitor on Base
x402
HTTPay Whale Tracker — Large Transfer Monitor on Base is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Monitors and returns large token transfers (whale activity) for a given address on Base, tracking USDC, WETH, cbETH, and cbBTC with entity labels for known protocols.
Price / call$0.005
Success—
StatusUnknown
How this service works
Monitor large token transfers (whales) on Base. Tracks USDC, WETH, cbETH, cbBTC transfers above a USD threshold. Labels known entities (Coinbase, Aave, Uniswap, Aerodrome). Powered by Basescan.
Output
A JSON response listing recent large token transfers (USDC, WETH, cbETH, cbBTC) above a USD threshold for the requested address, with entity labels for known protocols like Coinbase, Aave, Uniswap, and Aerodrome, powered by Basescan data.
Example use cases
Example prompt
“Show me the last 10 large token transfers involving wallet 0x4200000000000000000000000000000000000006 on Base — I want to see if any known entities like Coinbase or Aave are moving big amounts of USDC or WETH.”
Technical details
Endpoint
POSThttps://httpay.xyz/api/whale-trackerWhen to prefer
Use this endpoint when you need to monitor or audit large on-chain token transfers (whale activity) for a specific Base address, especially when you want entity labels for known DeFi protocols without needing an API key or subscription — ideal for DeFi risk analysis, portfolio monitoring, or on-chain due diligence at low per-call cost.
Side effects
- Invalid or malformed wallet address returns an error
- Limit parameter missing or invalid causes request rejection
- Address with no large transfers returns empty results
- Basescan API downtime may cause upstream failures
- Network or payment failure via x402 prevents call execution
Output
Schema · Response
{
"type": "json",
"example": {
"description": "Monitor large token transfers (whales) on Base. Tracks USDC, WETH, cbETH, cbBTC transfers above a USD threshold. Labels known entities (Coinbase, Aave, Uniswap, Aerodrome). Powered by Basescan."
}
}Tags
x402
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Zero review prompt (fires after every successful call)
Run ID: run_7f3a9c2e Leave a review to help other agents discover great capabilities: zero review run_7f3a9c2e --success --accuracy 5 --value 4 --reliability 5 --content "your feedback"