create-sbc-app

The easiest way to get started with SBC Account Abstraction. Create feature-complete applications with gasless transactions in seconds.

Quick Start

# Create a new SBC app
npx create-sbc-app my-app

# Or specify a template directly
npx create-sbc-app my-app --template react

# Navigate to your app
cd my-app

# Install dependencies
pnpm install # or npm install

# Start development server
pnpm dev # or npm run dev

CLI Options

Usage: npx create-sbc-app [project-directory] [options]

Create a new SBC App Kit project with an opinionated template

Arguments:
  project-directory        Directory to create the new app in

Options:
  -V, --version           output the version number
  -t, --template <type>   Template to use: react, react-dynamic, react-para, or react-turnkey
  -c, --chain <chain>     Chain to use: baseSepolia, base, radiusTestnet, or radius
  --api-key <apiKey>      Your SBC API key for immediate configuration
  --wallet <wallet>       Wallet integration (not yet implemented)
  -h, --help             display help for command

Examples:
  $ npx create-sbc-app my-app
  $ npx create-sbc-app my-app --template react --chain radius
  $ npx create-sbc-app my-app --template react-dynamic --chain base
  $ npx create-sbc-app my-app --template react-para --api-key your-key
  $ npx create-sbc-app my-app --template react-turnkey --chain base

Available Templates:
  - react           React + Vite template with SBC integration
  - react-dynamic   React + Vite with Dynamic wallet integration
  - react-para      React + Vite with Para wallet integration
  - react-turnkey   React + Vite + Express backend with Turnkey embedded wallets

Available Chains:
  - baseSepolia     Base Sepolia testnet (default)
  - base            Base mainnet
  - radiusTestnet   Radius testnet (react template only - not supported by Dynamic, Para, or Turnkey)
  - radius          Radius mainnet (react template only - not supported by Dynamic, Para, or Turnkey)

✨ Features

The React template includes comprehensive, production-ready examples:

🔋 Core Functionality

• Smart Account Management - Automatic account creation and management
• Gasless Transactions - Send ETH and interact with contracts without gas fees
• Gas Estimation - Preview transaction costs before sending
• Batch Transactions - Send multiple operations in a single transaction
• Real-time Balance Tracking - Monitor account balances and transaction status
• Error Handling - Comprehensive error messages and recovery suggestions

🎨 User Experience

• Modern UI Design - Beautiful, responsive interfaces
• Form Validation - Real-time address and input validation
• Loading States - Clear feedback during operations
• Success/Error Feedback - Visual confirmation of transaction status
• Block Explorer Integration - Direct links to view transactions
• Copy-to-Clipboard - Easy address and hash copying

🛠️ Developer Experience

• TypeScript Support - Full type safety
• Environment Configuration - Secure API key and settings management
• Debug Logging - Comprehensive development logging
• Hot Reload - Fast development iteration
• Production Ready - Optimized builds and deployment preparation

🚀 Templates

React Template (Default)

Best for: Client-side applications, rapid prototyping, and production use

npx create-sbc-app my-app

Supported Chains: Base Sepolia, Base, Radius Testnet, Radius Mainnet

Features:

• Fast development setup
• Hot module replacement
• Direct wallet connection (MetaMask, Coinbase, WalletConnect)
• Built-in testing framework
• Easy deployment to static hosts
• Modern React patterns and hooks

React + Dynamic Template

Best for: Applications requiring embedded wallets with social logins

npx create-sbc-app my-app --template react-dynamic

Supported Chains: Base Sepolia, Base (Radius Testnet not supported)

Features:

• Dynamic SDK integration for embedded wallets
• Social login support (Google, Twitter, Discord, etc.)
• Email/SMS wallet creation
• All standard SBC features

Additional Requirements: Dynamic Environment ID from Dynamic Dashboard

React + Para Template

Best for: DeFi applications leveraging EIP-2612 permits

npx create-sbc-app my-app --template react-para

Supported Chains: Base Sepolia, Base, Radius Testnet, Radius

Features:

• Para wallet integration
• EIP-2612 permit signatures
• Gasless token approvals
• All standard SBC features

Additional Requirements: Para API Key from Para

React + Turnkey Template

Best for: Production applications requiring embedded wallets with biometric authentication and backend infrastructure

npx create-sbc-app my-app --template react-turnkey

Supported Chains: Base Sepolia, Base (Radius Testnet not supported)

Features:

• Turnkey embedded wallet integration with passkey authentication
• Express backend server for secure Turnkey API operations
• Two authentication methods: biometric passkeys (Face ID/Touch ID) or wallet connection (MetaMask/Coinbase)
• Account history and multi-account management
• Full-stack development with dev:fullstack script
• ERC-4337 smart accounts with gasless transactions
• All standard SBC features

Additional Requirements:

• Turnkey Organization ID and API Keys from Turnkey Dashboard
• Backend deployment for production use (Railway, Render, Vercel, etc.)

Architecture:

• Frontend: React + Vite (port 5173)
• Backend: Express server (port 3001)
• Runs both services concurrently with npm run dev:fullstack

📝 Configuration

Environment Variables

The template includes comprehensive environment configuration:

Required

# Your SBC API key (get from SBC dashboard)
VITE_SBC_API_KEY=your_api_key_here

# Supported chains: "baseSepolia" | "base" | "radiusTestnet" | "radius"
VITE_CHAIN="baseSepolia"

📱 UI Components

The template includes:

• Account information display with copy functionality
• Transaction forms with validation
• Gas estimation interfaces
• Success/error feedback with block explorer links
• Responsive design with dark mode support

🚀 Development Workflow

1. Create Your App

npx create-sbc-app my-sbc-app
cd my-sbc-app

2. Set Up Environment

# Copy environment template
cp .env.template .env

# then ensure your .env has the environment variables set up

# Supported chains: "baseSepolia" | "base" | "radiusTestnet" | "radius"
VITE_CHAIN="baseSepolia"
# Custom RPC URL (optional) - e.g. get one from Alchemy at https://dashboard.alchemy.com/apps
VITE_RPC_URL=
# Get your SBC API Key at https://dashboard.stablecoin.xyz
VITE_SBC_API_KEY=

3. Start Development

npm install
npm run dev

4. Test Features

• Connect and view your smart account
• Try sending test transactions
• Experiment with gas estimation
• Test batch transactions

5. Customize and Build

• Modify the UI to match your needs
• Add your own smart contract interactions
• Build for production

📚 Documentation

• SBC Documentation - Official docs
• GitHub Repository - AppKit API Reference. Source code and examples

📄 License

MIT - Built with ❤️ by the SBC team