the402 endpoint detail

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api.x402node.dev wallet recent-whales

https://api.x402node.dev/wallet/recent-whales

payable

Recent large USDC transfers on Base mainnet with auto-classification of sender and receiver addresses. Query parameters: min_usd (default 100000, min 1000), hours (default 1, max 6). Returns top 50 sorted transfers with from/to addresses, behavioral tags, names if known, amount_usd, tx hash, block. For trading alpha agents tracking whale movements, treasury flow monitoring. Accepts payment on Base

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
48 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:18:20.490Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x402node.dev%2Fwallet%2Frecent-whales"