Etherscan API Basics
Create an API key and query balances, transactions, logs, tokens and NFTs within rate limits.
Quick steps
- Verify addresses and chain ID.
- Use correct ABI and compiler details.
- Export CSV for evidence.
- Respect API rate limits.
What’s included
| Topic | Value | Notes |
|---|---|---|
| Explorer | Txs, blocks, addresses | Read‑only |
| Contracts | Verify, read, write | Use ABI carefully |
| API | Balances, txs, logs | Paginate & cache |