etherscan-api

Installation
SKILL.md

Etherscan API V2

Overview

Query blockchain balances using Etherscan's unified API V2. This skill covers:

  • Native ETH balance queries
  • ERC-20 token balance queries
  • Multi-chain support via the chainid parameter

Scope: This skill focuses on balance 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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Installs
8
GitHub Stars
4
First Seen
Mar 1, 2026