Coinbase Wallet SDK
An open protocol SDK that enables dapps to connect seamlessly with Coinbase Wallet across mobile, desktop, and browser extension environments.
Overview
Coinbase Wallet SDK is an open-source software development kit designed to enable decentralized applications (dapps) to connect with Coinbase Wallet users across multiple platforms. It supports mobile wallets on Android and iOS, desktop browser extensions for Chrome and Brave, and QR code scanning for desktop connections. This flexibility allows developers to integrate Coinbase Wallet connectivity into their dapps, providing users with a seamless and secure way to interact with Ethereum-based applications.
The SDK offers a straightforward integration process with a JavaScript API that lets developers initialize the wallet connection, request user accounts, and handle wallet events such as account changes, chain changes, and connection status updates. It supports standard Ethereum JSON-RPC methods, enabling dapps to request signatures, send transactions, and interact with smart contracts through the wallet. The SDK also supports deeplinks for mobile dapps, enhancing user experience on mobile devices.
What sets Coinbase Wallet SDK apart is its comprehensive support for Coinbase's ecosystem, including the Coinbase Smart Wallet, and its multi-platform approach that covers mobile, desktop, and browser extension environments. The SDK is actively maintained with clear versioning and migration guides, ensuring developers can keep up with updates and improvements. It is suitable for developers building DeFi platforms, NFT marketplaces, DAOs, and identity/social dapps who want to leverage Coinbase Wallet's user base and security features.
Getting started involves installing the SDK via npm or yarn, initializing it with your app name, creating a web3 provider, and requesting user accounts. The SDK's GitHub repository includes a test dapp for local development and testing. Comprehensive documentation and community support are available through Coinbase's developer portal and Discord server.
The Problem
Dapps often face challenges integrating wallet connectivity that works seamlessly across mobile and desktop platforms while maintaining security and user experience. Developers need a reliable, standardized way to connect users' wallets without building custom solutions for each platform or wallet type.
The Solution
Key Features
Web3 provider creation
Provides a web3 provider interface to interact with Ethereum JSON-RPC methods through Coinbase Wallet.
Event handling
Supports events like connect, disconnect, accountsChanged, chainChanged, and message for responsive dapp behavior.
Mobile deeplink support
Enables mobile dapps to connect via deeplinks, improving user experience on mobile devices.
Key Strengths
How Developers Use Coinbase Wallet SDK
DeFi platform wallet integration
DeFi developers use the SDK to enable users to connect their Coinbase Wallets for trading, staking, and liquidity provision.
NFT marketplace user authentication
NFT platforms integrate the SDK to authenticate users and facilitate NFT minting and transactions via Coinbase Wallet.
DAO governance participation
DAO tooling developers use the SDK to allow members to connect wallets securely and participate in governance voting.
Works Well WithEVM Chains
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Pricing
Free | |
|---|---|
| Price (Monthly) | Free |
| Price (Annual) | Free |
| Messaging | N/A |
| Support | Community support via Discord and GitHub |
| Analytics |
Resources
Coinbase Wallet SDK provides extensive resources including a GitHub repository with example code, a test dapp for local development, detailed installation and upgrade instructions, and an active Discord community for developer support.