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web3.py is a Python library for interacting with Ethereum.

It’s commonly found in decentralized apps (dapps) to help with sending transactions, interacting with smart contracts, reading block data, and a variety of other use cases.

The original API was derived from the Web3.js Javascript API, but has since evolved toward the needs and creature comforts of Python developers.

Getting Started

Note

👋 Brand new to Ethereum?

0. Don’t travel alone! Join the Ethereum Python Community Discord.

1. Read this blog post series for a gentle introduction to Ethereum blockchain concepts.

2. The Overview page will give you a quick idea of what else web3.py can do.

3. Try building a little something!

• Ready to code? → Quickstart

• Interested in a quick tour? → Overview

• Need help debugging? → StackExchange

• Found a bug? → Contribute

• Want to chat? → Discord

• Read the source? → Github

Table of Contents

Intro

• Quickstart
• Overview
• Release Notes

Guides

• Your Ethereum Node
• Providers
• Working with Local Private Keys
• Sending Transactions
• Monitoring Events
• Contracts
• ABI Types
• Middleware
• Web3 Internals
• ethPM
• Ethereum Name Service (ENS)
• Examples
• Troubleshooting
• Migrating your code from v5 to v6
• Migrating your code from v4 to v5
• Migrating your code from v3 to v4

API

• Web3 API
• web3.eth API
• Beacon API
• Package Manager API
• Net API
• Miner API
• Geth API
• Tracing API
• Utils
• Gas Price API
• ENS API
• Constants

Community

• Contributing
• Code of Conduct

Indices and tables

• Index

• Module Index

• Search Page