🐋 Crypto Whale Monitor — Large Transaction Alerts

Track large cryptocurrency transactions in real-time. Get instant Telegram alerts when whales move $1M+ in BTC, ETH, USDT or any major crypto.

Uses official Whale Alert API. Free API key required (10 req/min free tier).

---

🔍 What it does

Monitors the Whale Alert API for large on-chain transactions and sends alerts when whales move significant amounts. Detects exchange inflows (possible sell signal), outflows (possible accumulation), and wallet-to-wallet transfers.

---

✅ Key features

• Multi-chain — BTC, ETH, USDT, USDC, BNB, XRP, SOL, ADA and more
• USD threshold filter — only transactions above your minimum ($500K, $1M, $10M+)
• Transaction type detection — exchange inflow/outflow, wallet transfer
• Delta mode — only new transactions since last run
• Telegram alerts — emoji-rich summary with explorer links
• Webhook support — Zapier, Make, n8n, Slack compatible
• Exchange labeling — identifies Binance, Coinbase, Kraken and more

---

📦 Output fields

{
  "transaction_hash": "0xabc123...",
  "blockchain": "ethereum",
  "symbol": "USDT",
  "amount": 50000000,
  "amount_usd": 50000000,
  "from_label": "Binance (exchange)",
  "from_owner_type": "exchange",
  "to_label": "Unknown wallet",
  "to_owner_type": null,
  "timestamp": "2025-04-15T10:00:00.000Z",
  "transaction_type": "exchange_outflow",
  "transaction_url": "https://etherscan.io/tx/0xabc123...",
  "scraped_at": "2025-04-15T10:01:00.000Z"
}

---

🔑 Free API key setup (2 minutes)

1. Go to developer.whale-alert.io
2. Click "Get API key" → register
3. Receive key by email
4. Add to Apify Secrets as WHALE_ALERT_API_KEY
5. Use @WHALE_ALERT_API_KEY in actor input

Free plan: 10 req/min, last 60 days history — plenty for hourly monitoring.

---

🚀 Example configurations

Monitor all $1M+ transactions hourly

{
  "whale_alert_api_key": "@WHALE_ALERT_API_KEY",
  "min_value_usd": 1000000,
  "hours_back": 1,
  "delta_mode": true,
  "telegram_bot_token": "@TELEGRAM_TOKEN",
  "telegram_chat_id": "YOUR_CHAT_ID"
}

BTC only — $10M+ transactions

{
  "whale_alert_api_key": "@WHALE_ALERT_API_KEY",
  "currencies": ["btc"],
  "min_value_usd": 10000000,
  "hours_back": 6
}

ETH + USDT exchange flows

{
  "whale_alert_api_key": "@WHALE_ALERT_API_KEY",
  "currencies": ["eth", "usdt"],
  "min_value_usd": 5000000,
  "hours_back": 1
}

---

📅 Recommended schedule

Every 15-60 minutes for real-time monitoring. Free plan covers hourly runs easily.

---

⚡ Pricing

Pay-per-result.

Volume	Est. cost
20 transactions	~$0.04
100 transactions	~$0.20
500 transactions	~$1.00

---

🎯 Use cases

• Crypto traders — detect large exchange inflows before sell-offs
• DeFi protocols — monitor large movements that affect liquidity
• Market researchers — track whale accumulation patterns
• Risk managers — alert on large movements in monitored wallets