Data
Whale Intelligence API
whale.hugen.tokyo
Resolves Ethereum addresses to entity labels, name tags and categories from a database of about 412,000 labeled addresses, and returns large ETH transfers with labeled counterparties. Paid per call in USDC on Base.
Back to service marketHTTP x402 online test
Send an unpaid request using the provider's template and inspect the 402 payment requirements returned by the service.
GET
https://whale.hugen.tokyo/whale/lookup
Service tags
resolves
ethereum
addresses
entity
Service information
- Provider
- whale.hugen.tokyo
- Category
- Data
- Uptime (30 days)
- 100%
- Avg response time (30 days)
- 352 ms
- Information updated
- Aug 15, 2026
Payment details
Option 1
exact
eip155:8453
- Atomic amount
- 10000
- Payment timeout
- 300 seconds
- Asset
- USD Coin · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
- Recipient
- 0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60