# entropy.rip Whale Transfer Tracker

> entropy.rip Whale Transfer Tracker is a paid API for AI agents from entropy.rip, paid per call via x402, $0.04/call, status unknown (last checked 2026-09-14).

Find large recent token transfers for specified wallet addresses across Base, Ethereum, Arbitrum, and Solana

## Facts

- Endpoint: GET https://entropy.rip/api/financial/whales
- Price: $0.04/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/entropy-rip-whale-transfer-tracker-bf60cdad
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ds_9RlvsrUXgnnmeh9VBq

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability entropy-rip-whale-transfer-tracker-bf60cdad
```

Example prompt: Show me large transfers over $50,000 for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum in the last 48 hours, limit to 20 results.

## When to prefer this

Use this endpoint when you need to track large token movements for specific known wallet addresses across Base, Ethereum, Arbitrum, or Solana — especially when filtering by minimum USD threshold or time window. Prefer this over general blockchain explorers when you want structured, agent-consumable data about whale activity without scraping block explorers.

## Known failure modes

- Unsupported chain value returns validation error
- Wallet address not found or not a known whale returns empty results
- min_usd below 5000 or above schema limits returns 400
- lookback_hours exceeding 168 returns validation error
- limit exceeding 100 returns validation error
- Payment failure (402) if USDC balance is insufficient
- Malformed wallet address string returns error
- No transfers found within the specified filters returns empty array

## How this service works

Find large recent transfers for known wallets across Base, Ethereum, Arbitrum, and Solana

## Output

A paginated list of large token transfers for the specified wallet(s), including transaction details such as asset, USD value, sender/receiver, timestamp, and chain — filtered by minimum USD threshold and lookback window.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http",
     "description": "type"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string",
     "description": "method"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "chain",
      "wallet"
     ],
     "properties": {
      "asset": {
       "type": "string",
       "description": "Optional token symbol or Solana mint address"
      },
      "chain": {
       "enum": [
        "base",
        "ethereum",
        "arbitrum",
        "solana"
       ],
       "type": "string",
       "description": "Blockchain network"
      },
      "limit": {
       "type": "integer",
       "maximum": 100,
       "minimum": 1,
       "description": "Maximum number of results"
      },
      "wallet": {
       "type": "string",
       "description": "Known wallet address; repeat wallet for multiple addresses"
      },
      "min_usd": {
       "type": "number",
       "minimum": 5000,
       "description": "Minimum transfer value in US dollars"
      },
      "lookback_hours": {
       "type": "integer",
       "maximum": 168,
       "minimum": 1,
       "description": "Historical lookback window in hours"
      }
     },
     "description": "queryParams"
    }
   },
   "description": "input",
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "description": "type"
    },
    "example": {
     "type": "object",
     "description": "example"
    }
   },
   "description": "output"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "chain": "base",
  "events": [],
  "min_usd": 25000,
  "wallets": [
   "0x0000000000000000000000000000000000000000"
  ],
  "lookback_hours": 24
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/entropy-rip-whale-transfer-tracker-bf60cdad/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from entropy.rip](https://www.zero.xyz/host/entropy.rip/llms.txt)