Build with AI - Etherscan

Give your AI agents and coding assistants direct access to onchain data through the same API that powers etherscan.io, across all 60+ supported chains. New to the API? Create a free API key to get started.

Build with AI: connect AI agents to the Etherscan API

Core tools

Etherscan MCP

Tool-based, authenticated API access for chat agents like Claude and ChatGPT.

Etherscan CLI

Query the API from the terminal, scripts, and CI, with structured output.

Machine-readable docs

Point an agent straight at the docs: load llms.txt for the index or llms-full.txt for the full export, or append .md to any page URL.