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HTTPay Whale Alert Base
x402
HTTPay Whale Alert Base is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Returns the latest large on-chain transactions (>$10K) on Base in the last hour, focusing on USDC and WETH transfers sourced from BaseScan.
Price / call$0.01
Success—
StatusUnknown
How this service works
Latest large transactions on Base (>$10K) in the last hour. Real on-chain USDC/WETH transfer data via BaseScan.
Output
A JSON object containing a list of large on-chain transactions on Base from the past hour, including transfer amounts, token types (USDC/WETH), sender and receiver addresses, and timestamps, sourced from BaseScan.
Example use cases
Example prompt
“Show me the latest whale transactions on Base — I want to see any USDC or WETH transfers over $10K from the past hour.”
Technical details
Endpoint
POSThttps://httpay.xyz/api/whale-alert-baseWhen to prefer
Use this endpoint when you need a quick, real-time snapshot of whale activity (>$10K transfers) on the Base network without setting up API keys or subscriptions. Ideal for DeFi monitoring agents, trading bots, or market sentiment tools that need on-chain large-transaction signals on Base specifically.
Side effects
- No large transactions found in the last hour — returns empty list or descriptive message
- BaseScan data unavailable — may return stale or error response
- Payment not completed — 402 response requiring x402 USDC payment on Base
- Rate limiting or server errors — 5xx response
Input
{
"chain": "base",
"limit": 10
}Output
{
"meta": {
"x402": true,
"poweredBy": "Alfred Zhang 🫡"
},
"chain": "Base",
"alerts": [],
"topAlert": null,
"fromBlock": 0,
"updatedAt": "2026-06-12T04:38:32.412Z",
"alertCount": 0,
"dataSource": "BaseScan live data",
"ethPriceUSD": 1676.83,
"windowHours": 1,
"currentBlock": null,
"totalVolumeUSD": "$0",
"minThresholdUSD": 10000
}Schema · Response
{
"type": "json",
"example": {
"description": "Latest large transactions on Base (>$10K) in the last hour. Real on-chain USDC/WETH transfer data via BaseScan."
}
}Tags
x402
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