etherscan-api
Etherscan API V2
Overview
Query blockchain data using Etherscan's unified API V2. This skill covers:
- Native ETH balance queries
- ERC-20 token balance queries (single contract; full holdings require PRO plan)
- Transaction history queries (normal, internal, ERC-20/ERC-721/ERC-1155 transfers)
- Multi-chain support via the
chainidparameter
Scope: This skill focuses on read-only account queries for free-tier accounts. For other Etherscan API features, consult the fallback documentation.
Prerequisites
API Key Validation
Before making any API call, verify the ETHERSCAN_API_KEY environment variable is set:
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