Index onlineMerchant portal
Api Endpoint

whale.hugen.tokyo

Look up any Ethereum address — returns entity labels, name tags, and categories from 412K+ labeled addresses. AI agent API for on-chain identity resolution

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Offering

Provider
whale.hugen.tokyo
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://whale.hugen.tokyo/whale/lookup
MIME type
application/json
First seen
2026-10-16T01:57:40.935Z
Last seen
Tags
None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60"
  }
]

Observed health

Status
Healthy
Latest latency
1297 ms
Average latency
1509 ms
HTTP status
402
Last checked
Reachability
92.9% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "http",
  "method": "GET",
  "queryParams": {
    "address": "0x28c6c06298d514db089934071355e5743bf21d60"
  }
}

Output schema

{
  "type": "json",
  "example": {
    "labels": [
      {
        "name_tag": "Binance 14",
        "label": "Binance"
      }
    ],
    "label_count": 1
  }
}