# Whale Intelligence API — On-chain Identity & Movement Detection

Track whale wallets across Ethereum. 412,527 labeled addresses, 540 categories (exchanges, DeFi, bridges, MEV, exploits, etc.).

## API Base URL

https://whale.hugen.tokyo

## Endpoints

- GET /whale/lookup?address=0x... — Label + entity resolution ($0.01)
- GET /whale/activity?address=0x... — Labels + ETH balance + recent transfers + activity score ($0.02)
- GET /whale/movements?min_eth=100&limit=20 — Large transfers with labeled senders/receivers ($0.02)

## Use Cases

- Pre-transaction due diligence: "Is this address a known exchange, DeFi protocol, or flagged entity?"
- Whale watching: "Which large wallets moved >1000 ETH in the last 24 hours?"
- Flow analysis: "Where is ETH flowing — from exchanges to DeFi, or vice versa?"