OnchainKit is your go-to SDK for building beautiful onchain applications. Ship in minutes, not weeks.

Anyone can build an onchain app in 15 minutes with OnchainKit. No blockchain experience required.

Why OnchainKit?

OnchainKit streamlines app development by providing a comprehensive toolkit that combines powerful onchain features with developer-friendly design:

• Ergonomic design: Full-stack tools that make complex onchain interactions intuitive
• Battle-tested patterns: Industry best practices packaged into ready-to-use solutions
• Purpose-built components: Pre-built modules for common onchain workflows
• Framework agnostic: Compatible with any React-supporting framework
• Supercharged by Base: Deep integration with Base's protocol features and ecosystem

Automatic Installation

We recommend starting a new OnchainKit app using create onchain, which sets up everything automatically for you. To create a project, run:

npm create onchain@latest

After the prompts, create onchain will create a folder with your project name and install the required dependencies.

You can also checkout our pre-built templates:

• Onchain Commerce
• NFT minting
• Funding flow
• Social profile

Manual Installation

Add OnchainKit to your existing project manually.

Start building!

• Identity - Show Basenames, avatars, badges, and addresses.
• Wallet - Create or connect wallets with Connect Wallet.
• Transaction - Handle transactions using EOAs or Smart Wallets.
• Checkout - Integrate USDC checkout flows with ease.
• Fund - Create a funding flow to onboard users.
• Tokens - Search and display tokens with various components.
• Swap - Enable token swaps in your app.
• Mint - View and Mint NFTs in your app.
• Frame - Build and test Farcaster frames.