Coinbase Wallet
An open-source SDK that enables dapps to connect seamlessly to Coinbase Wallet across multiple platforms.
Overview
Coinbase Wallet SDK is an open-source software development kit designed to enable decentralized applications (dapps) to connect with Coinbase Wallet, a self-custody crypto wallet available as a browser extension and mobile app on Android and iOS. The SDK supports all Ethereum Virtual Machine (EVM)-compatible Layer 1 and Layer 2 networks, making it versatile for developers building across multiple blockchain environments. It facilitates seamless wallet integration by providing a web3 provider interface that supports standard Ethereum JSON-RPC methods, enabling dapps to request user accounts, sign messages, and listen to wallet events.
The SDK targets web and mobile application developers who want to offer Coinbase Wallet as a connection option to their users. It supports desktop connections via browser extension and QR code scanning, as well as mobile deep linking to the Coinbase Wallet app. Developers can integrate the SDK into web apps using JavaScript and also into native mobile apps via Coinbase Wallet Mobile SDKs available for iOS, Android, React Native, and Flutter. This multi-platform support ensures broad accessibility and user reach.
What sets Coinbase Wallet SDK apart is its direct integration with Coinbase Wallet’s ecosystem, which includes millions of active users and a trusted brand in crypto. The SDK is actively maintained with clear upgrade paths, including a migration guide for major version changes. It also supports event handling for connection status, account changes, and chain changes, providing developers with granular control over user interactions. The SDK’s open-source nature and comprehensive documentation make it easy to adopt and customize. Real-world use cases include DeFi platforms enabling wallet connections for trading and staking, NFT marketplaces allowing users to manage assets securely, and identity/social dapps leveraging wallet authentication.
Getting started involves installing the SDK via npm or yarn, initializing it with your app name, creating a web3 provider, and requesting user accounts. Developers can test integration locally using the provided test dapp and access extensive documentation and community support through Discord and GitHub. The SDK’s compatibility with popular third-party libraries like wagmi further simplifies multi-wallet support integration.
The Problem
Developers building decentralized applications face challenges integrating secure, user-friendly wallet connections that support multiple platforms and blockchain networks. Many wallets lack seamless SDKs that provide consistent APIs and event handling for both web and mobile environments.
The Solution
Key Features
Web3 provider interface
Standard Ethereum JSON-RPC methods support for account requests, signing, and blockchain interactions.
QR code and deep link connection methods
Facilitates desktop and mobile wallet connections via QR scanning and mobile deep linking.
Open-source with active maintenance
Public GitHub repository with versioning, migration guides, and community support.
Key Strengths
How Developers Use Coinbase Wallet
DeFi platform wallet integration
Enables decentralized finance apps to connect users’ Coinbase Wallets for trading, staking, and liquidity provision.
NFT marketplace user authentication
Allows NFT platforms to authenticate users and manage NFT ownership securely through Coinbase Wallet.
Mobile dapp wallet connectivity
Supports native mobile apps integrating Coinbase Wallet for seamless user onboarding and transaction signing.
Works Well With
EVM Chains
Ship faster than your competition
Free RPC across 76+ chains. Spin up an endpoint in under 30 seconds.
Compare
View Full Comparison| Composability | |||
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| Customizability | |||
| Developer Support | |||
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Pricing
Free | |
|---|---|
| Price (Monthly) | Free |
| Price (Annual) | Free |
| Messaging | N/A |
| Support | Community support via Discord and GitHub |
| Analytics |
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Resources
Coinbase Wallet SDK provides extensive developer resources including detailed documentation, a test dapp for local development, migration guides, and active community support channels.