FETCH402
← Protocol index

Resource / 261

healthy

WhaleAlert.

GET https://whale.lonestaroracle.xyz/whales ↗

Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern analysis

Eligibility
probeable
Failures
0
Last quote
2026-08-12 22:00:02 UTC
Last probe
2026-08-12 22:00:02 UTC
Payment requirements / accepts[] 2 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 50000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x52Ab53912D37759B2ad364f22dD06B16714b6C06
active solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp exact 50000 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v 3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 22:00:02 UTC GET · HTTP 402 · 13ms · accepts 2 · base 1 ok
Request
GET https://whale.lonestaroracle.xyz/whales
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=2;base=1
Accepts fingerprint
f36e570c96dd1245b24689c5dbe88558b081982c25f12b3c73a080f68aca81a9

Accepts snapshot

[
  {
    "amount": "50000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
    "paymentFlow": null,
    "raw": {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "pay_to": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "50000",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "assetTransferMethod": null,
    "extra": {
      "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
    },
    "maxTimeoutSeconds": 300,
    "network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
    "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
    "paymentFlow": null,
    "raw": {
      "amount": "50000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "pay_to": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "scheme": "exact"
    },
    {
      "amount": "50000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
      },
      "maxTimeoutSeconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "chain": "base",
            "hours": 1,
            "limit": 20,
            "min_usd": 100000,
            "type": "all"
          },
          "type": "http"
        },
        "output": {
          "example": "{\"chain\":\"Base\",\"count\":8,\"transactions\":[{\"symbol\":\"USDC\",\"usd_value\":\"$2.1M\",\"from_label\":\"Coinbase\",\"to\":\"0x...\",\"timestamp\":\"2026-06-03T11:00:00Z\"}]}",
          "format": "json",
          "type": "object"
        }
      },
      "schema": {
        "category": "data",
        "description": "Real-time large on-chain transaction monitoring for Base, Ethereum, and Robinhood Chain. Tracks token transfers and native ETH moves above your USD threshold. Named wallet labels, explorer links, and AI pattern analysis.",
        "name": "WhaleAlert — Large Transaction Monitor",
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "chain": {
                    "default": "base",
                    "description": "base, eth, or robinhood",
                    "title": "Chain",
                    "type": "string"
                  },
                  "hours": {
                    "default": 1,
                    "description": "Lookback hours (1-24)",
                    "title": "Hours",
                    "type": "integer"
                  },
                  "limit": {
                    "default": 20,
                    "description": "Max results",
                    "title": "Limit",
                    "type": "integer"
                  },
                  "min_usd": {
                    "default": 100000,
                    "description": "Minimum USD value",
                    "title": "Min Usd",
                    "type": "number"
                  },
                  "type": {
                    "default": "all",
                    "description": "token | native | all",
                    "title": "Type",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {},
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "tags": [
          "whale",
          "on-chain",
          "transactions",
          "base",
          "ethereum",
          "robinhood",
          "smart-money"
        ],
        "type": "object",
        "version": "1.0.0"
      }
    },
    "bc_kg64bd18": {}
  },
  "resource": {
    "description": "Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern analysis",
    "iconUrl": "https://lonestaroracle.xyz/lso_logo.svg",
    "mimeType": "",
    "serviceName": "WhaleAlert",
    "tags": [
      "whale",
      "on-chain",
      "transactions",
      "base",
      "ethereum"
    ],
    "url": "https://whale.lonestaroracle.xyz/whales"
  },
  "x402Version": 2
}

Response headers

{
  "connection": "keep-alive",
  "content-length": "785",
  "content-type": "application/json",
  "date": "Wed, 12 Aug 2026 22:00:02 GMT",
  "payment-required": "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",
  "server": "nginx/1.18.0 (Ubuntu)"
}

Response body 

{
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "description": "Whale transaction alerts",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300,
      "mimeType": "",
      "network": "base",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "resource": "https://whale.lonestaroracle.xyz/whales",
      "scheme": "exact"
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "description": "Whale transaction alerts",
      "extra": {
        "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
      },
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300,
      "mimeType": "",
      "network": "solana",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "resource": "https://whale.lonestaroracle.xyz/whales",
      "scheme": "exact"
    }
  ],
  "error": "X-PAYMENT header required",
  "x402Version": 1
}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {
    "chain": "base",
    "hours": 1,
    "limit": 20,
    "min_usd": 100000,
    "type": "all"
  },
  "type": "http"
}
OutputJSON
{
  "example": "{\"chain\":\"Base\",\"count\":8,\"transactions\":[{\"symbol\":\"USDC\",\"usd_value\":\"$2.1M\",\"from_label\":\"Coinbase\",\"to\":\"0x...\",\"timestamp\":\"2026-06-03T11:00:00Z\"}]}",
  "format": "json",
  "type": "object"
}