Smart Contract Event Monitor
Pricing
Pay per usage
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Smart Contract Event Monitor
Monitor smart contract events on Ethereum, BSC, and EVM chains. Track Transfer, Approval, Swap events in real-time. Built for DeFi traders and blockchain analysts.
Pricing
Pay per usage
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Developer

Donny Nguyen
Maintained by Community
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Smart Contract Event Monitor - Track Blockchain Events
Monitor smart contract events on Ethereum, BSC, Polygon, and other EVM chains. Track Transfer, Approval, Swap events in real-time with decoded parameters.
Key Features
- Monitor any EVM smart contract across 7 chains
- Auto-decode Transfer/Approval/Swap events
- Scan custom block ranges
- Explorer links for every transaction
Cost
This actor uses pay-per-usage pricing. Typical runs cost $0.01-0.05 depending on scope.
Input Example
{"contractAddress": "0xdAC17F958D2ee523a2206206994597C13D831ec7","chain": "ethereum","eventName": "Transfer","maxResults": 10}
Output Example
{"transactionHash": "0xabc...","blockNumber": 19500000,"eventName": "Transfer","decodedParams": {"from": "0x123...","to": "0x456...","value": "1000000"},"explorerTxUrl": "https://etherscan.io/tx/0xabc...","scrapedAt": "2026-02-02T12:00:00.000Z"}
Use Cases
- DeFi trading alerts
- Whale watching
- Token transfer monitoring
- Smart contract debugging
Limitations
- Uses public RPCs with rate limits; very large block ranges may timeout
Built By
Donny Dev - Blockchain & automation developer