Web3.js

The Ethereum JavaScript API.

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Overview

Web3.js is a collection of libraries that allow you to interact with a local or remote Ethereum node using HTTP, IPC or WebSocket. It is the original JavaScript library for Ethereum and has a large user base and extensive community support.

✨ Key Features

  • Interaction with smart contracts.
  • Sending transactions and managing accounts.
  • Subscribing to blockchain events.
  • Utility functions for Ethereum data types.

🎯 Key Differentiators

  • Long history and large user base.
  • Extensive community resources and tutorials.
  • Maintained by the Ethereum Foundation.

Unique Value: Provides a stable and well-supported library for interacting with the Ethereum blockchain, backed by the Ethereum Foundation.

🎯 Use Cases (3)

Building dApp front-ends Interacting with smart contracts from JavaScript Backend development with Node.js

✅ Best For

  • Powering a vast number of existing dApps and wallets

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • New projects that can benefit from the more modern API of Ethers.js

🏆 Alternatives

Ethers.js

While Ethers.js offers a more modern API, Web3.js has a longer history and a larger ecosystem of existing projects and tutorials, which can be beneficial for developers.

💻 Platforms

Web Desktop

🔌 Integrations

React Vue Angular Node.js Truffle Suite

🛟 Support Options

  • ✓ Live Chat
  • ✓ Dedicated Support (NA tier)

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Web3.js is open-source and free to use.

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