Smart Contract Event Monitors

Monitor events from ERC standards and popular DeFi protocols. Get real-time alerts when critical on-chain events occur.

An event monitor watches a contract address on a supported EVM chain and fires when the event you named is emitted. Typical uses are Transfer on an ERC-20 or ERC-721, Swap on a DEX, or a protocol-specific log such as a liquidation. You pick the chain, the contract, and the event; Chainitor reads public logs and delivers the alert over email, Slack, Telegram, PagerDuty, or a webhook. No private key is required. Browse the standards and protocols below, then create the monitor in the app.

ERC Token Standards

Monitor standard events from widely-used token interfaces

ERC20 Token Standard

Standard interface for fungible tokens on Ethereum and EVM chains

Transfer Approval

ERC721 NFT Standard

Standard interface for non-fungible tokens (NFTs)

Transfer Approval ApprovalForAll

ERC1155 Multi-Token Standard

Standard interface for contracts managing multiple token types

TransferSingle TransferBatch ApprovalForAll

DeFi Protocols

Monitor events from leading decentralized finance protocols

Uniswap V2

Automated market maker (AMM) protocol for token swaps

Swap Mint Burn

Uniswap V3

Concentrated liquidity AMM protocol with improved capital efficiency

Swap Mint

Aave V3

Decentralized lending and borrowing protocol

Supply Borrow LiquidationCall

Start monitoring smart contract events

Set up event alerts in under 2 minutes. No code required.