Etherscan
The Ethereum Blockchain Explorer
Transactions Indexed
Billions
API Plan
Free Community Tier Available
Networks
Ethereum Mainnet & Testnets
About Etherscan
Etherscan provides a comprehensive and user-friendly interface to access and analyze on-chain data on the Ethereum network. Users can track transactions in real-time, view the contents of blocks, inspect verified smart contract code, and monitor network statistics like gas prices. For developers, Etherscan offers a robust suite of APIs to query blockchain data, which can be integrated into decentralized applications, wallets, and analytics tools. The platform also offers crucial services like contract verification to enhance ecosystem transparency and security. Beyond the Ethereum Mainnet, Etherscan operates explorers for various testnets (e.g., Sepolia), making it an indispensable tool for both development and live network analysis.
Core Platform Features
Transaction Tracking
View detailed information for any pending, confirmed, or failed transaction.
Address Lookup
Check ETH balances, transaction history, and token holdings for any wallet address.
Smart Contract Explorer
Read and verify source code, and interact directly with smart contract functions.
Token Information
Search for ERC-20, ERC-721, and ERC-1155 tokens, view holders, and track transfers.
Gas Tracker
Monitor real-time network gas prices to estimate transaction costs.
Developer APIs (Etherscan.io)
Accounts
Get ETH balance, transaction history, and token balances.
Contracts
Get contract ABI and source code for verified contracts.
Transactions
Check transaction receipt status and execution status.
Blocks
Get block and uncle block rewards by block number.
Stats
Get total ETH supply, latest ETH price, and other network statistics.