Open Source Blockchain SDK
Empowering developers to easily build, deploy, and scale tokens, dApps, and NFT marketplaces across major blockchains.
Build Without Limits
Accelerate your blockchain development using powerful open-source tools designed for seamless integration with Ethereum, Solana, Binance Smart Chain, Tron, and more.
Developer-Friendly, Community Driven
Join a vibrant community of blockchain developers. Use intuitive SDKs, comprehensive APIs, and extensive documentation to bring your blockchain projects to life.
Why Choose on-chains.online?
Our platform provides everything you need to build powerful blockchain applications
Lightning Fast
Optimized performance with minimal latency for your blockchain transactions
Secure by Default
Enterprise-grade security with built-in protection against common vulnerabilities
Highly Customizable
Flexible architecture that adapts to your specific blockchain needs
Getting Started
Start building your blockchain application in minutes
1. Install the SDK
npm install @on-chains/sdk2. Initialize Your Project
import { OnChains } from '@on-chains/sdk';
const client = new OnChains({
network: 'ethereum',
apiKey: 'your-api-key'
});Ready to Start Building?
Join thousands of developers building the future of blockchain technology