web3.py allows you to interact with the Ethereum blockchain using Python, enabling you to build decentralized applications, interact with smart contracts, and much more.
python -m pip install web3
Get started in 5 minutes or take a tour of the library.
View the change log.
For additional guides, examples, and APIs, see the documentation.
Want to file a bug, contribute some code, or improve documentation? Excellent! Read up on our guidelines for contributing, then check out issues that are labeled Good First Issue.
Join the conversation in the Ethereum Python Community Discord.
FAQs
web3: A Python library for interacting with Ethereum
We found that web3 demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 8 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
OWASP’s 2025 Top 10 introduces Software Supply Chain Failures as a new category, reflecting rising concern over dependency and build system risks.
Research
/Security News
Socket researchers discovered nine malicious NuGet packages that use time-delayed payloads to crash applications and corrupt industrial control systems.
Security News
Socket CTO Ahmad Nassri discusses why supply chain attacks now target developer machines and what AI means for the future of enterprise security.