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etherscan

Query transactions, contracts, and gas data from Etherscan-compatible APIs across six networks.

109|11|Updated Feb 6, 2026
Search Tags:#API#transactions#contracts#gas#etherscan#block-explorer
One-click install
npx skills add https://github.com/TermiX-official/cryptoclaw --skill etherscan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: etherscan
Source: https://github.com/TermiX-official/cryptoclaw/tree/main/skills/etherscan
Command: npx skills add https://github.com/TermiX-official/cryptoclaw --skill etherscan

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill enables fast access to on-chain data by querying Etherscan-compatible APIs for transaction histories, contract sources, ABIs, and gas data without building custom APIs.

Core Features & Use Cases

  • Multi-network queries: Access Ethereum, BSC, Polygon, Arbitrum, Optimism, and Base from a single skill.
  • Data retrieval: Retrieve transaction histories, token transfers, and gas data with simple prompts.
  • Contract insights: Obtain verified contract ABIs and source code for analysis and audits.
  • Use Case: For example, fetch the last 10 transactions for an address or pull the ABI for a known contract to inspect its functions.

Quick Start

Acquire an API key (ETHERSCAN_API_KEY) and query data with natural prompts such as:

  • "Show me the last 10 transactions for address 0xABC... on Ethereum"
  • "Get the ABI for contract 0xDEF... on Ethereum"

Frequently Asked Questions about etherscan

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fetch on-chain transaction histories and contract ABIs without building custom APIs?▼

To fetch on-chain transaction histories and contract ABIs without custom APIs, query Etherscan-compatible APIs using natural language prompts to retrieve transaction data, verified contract source code, and gas data.

Does this block explorer query tool support fetching data from multiple networks like Arbitrum and Base?▼

Yes, this block explorer query tool supports multi-network queries, allowing you to fetch transactions, contracts, and gas data from Ethereum, BSC, Polygon, Arbitrum, Optimism, and Base.

What do I need to start querying Etherscan for gas data and token transfers?▼

To start querying Etherscan for gas data and token transfers, you need to set the ETHERSCAN_API_KEY environment variable to authenticate your requests.

Are there any rate limits when querying Etherscan-compatible APIs for transaction histories?▼

Yes, when querying Etherscan-compatible APIs for transaction histories, you are subject to API key usage rate limits of five calls per second.

Can I retrieve verified contract source code for audits using a block explorer API?▼

Yes, you can retrieve verified contract source code for audits by querying Etherscan-compatible APIs to obtain contract ABIs and source code for analysis.

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