The blockchain development landscape is evolving at lightning speed, and scalability across chains has become a critical challenge for builders. Enter OKX OS—a powerful, open infrastructure suite designed to empower developers to create, deploy, and scale decentralized applications seamlessly across more than 100 blockchains.
Developed by OKX’s Web3 division, OKX OS unlocks the same robust technology stack that powers OKX Wallet, one of the most widely used onchain wallets in the world. By opening access to this proven infrastructure, OKX is enabling developers—from indie creators to enterprise teams—to build next-generation Web3 experiences without technical constraints.
With over 400 million daily API calls already being processed and adopted by hundreds of projects globally, OKX OS stands out as one of the most scalable and reliable toolkits in the industry. Whether you're building wallets, decentralized exchanges (DEXs), NFT marketplaces, or blockchain games, OKX OS provides the full spectrum of tools needed to bring ideas to life—fast.
Why OKX OS Changes the Game for Web3 Builders
Building cross-chain applications has traditionally been complex, requiring deep expertise in multiple protocols, fragmented tooling, and costly infrastructure management. OKX OS simplifies this by offering a unified development environment that abstracts away chain-specific complexities.
Seamless Multi-Chain Support
Supporting over 100 chains—including EVM-compatible networks, UTXO-based systems like Bitcoin, and high-performance chains such as Solana—OKX OS allows developers to target diverse ecosystems with a single integration. This level of interoperability means apps can reach broader user bases without rewriting codebases for each chain.
👉 Discover how developers are accelerating their Web3 projects using unified infrastructure.
Built for Scale and Security
Backed by OKX’s battle-tested security architecture and audited processes, OKX OS ensures applications are not only scalable but also secure from day one. The infrastructure already supports millions of active users through OKX Wallet, proving its ability to handle high-volume, real-world demand.
This proven scalability is crucial for startups aiming to grow quickly. Instead of spending months building backend systems, teams can leverage ready-to-use APIs and SDKs to focus on product innovation.
Core Features That Empower Innovation
OKX OS isn’t just another dev toolkit—it’s an end-to-end platform designed for real-world performance and developer efficiency.
🧩 Wallet API: Unified Wallet Integration
The Wallet API enables developers to create multi-chain wallets, manage transactions, and query user data via a single interface. No more juggling different SDKs per chain—this unified solution streamlines onboarding and improves user experience.
💱 Liquidity Access Across 500+ DEXs
With integrated access to cross-chain swaps and liquidity pools across 20 major networks, developers can embed seamless trading functionality into their apps. Aggregated liquidity from over 500 decentralized exchanges ensures optimal pricing and deep markets.
🖼️ NFT & Marketplace Tools
From minting to marketplace integrations, OKX OS offers comprehensive tools for building dynamic NFT experiences. Real-time data feeds, metadata resolution, and listing capabilities make it easier than ever to launch digital collectibles or gaming assets.
📊 Onchain Data APIs
Actionable insights start with reliable data. The Data API delivers comprehensive onchain analytics across 50+ blockchains, enabling developers to monitor trends, track user behavior, and optimize app performance—all through a single endpoint.
🎮 Web3 Gaming Solutions
For game developers, OKX OS provides specialized tools for wallet integration, in-game asset management, and player growth strategies across 100 chains. This makes it easier to design play-to-earn economies and cross-chain interoperable items.
Who’s Already Using OKX OS?
Innovation doesn’t wait—and neither are the builders using OKX OS. Projects like Tomo Wallet, Zerion, Blade of God, Gravity, and DuckChain have already integrated the toolkit to accelerate development and expand their reach.
These early adopters span use cases from self-custodial wallets to blockchain gaming and DeFi platforms, demonstrating the flexibility and reliability of the underlying infrastructure.
Developer Benefits at a Glance
- One-stop development suite: Build complex onchain apps—from wallets to DEXs—using a single integrated toolkit
- Unmatched multi-chain access: Deploy across 100+ chains including Bitcoin, Ethereum, Solana, and emerging L1s/L2s
- Bitcoin innovation support: Unique tooling for Inscriptions, Ordinals, Runes, Fractal Bitcoin, and other Bitcoin-layer innovations
- Enterprise-grade security: Leverage OKX’s audited security protocols and compliance frameworks
- Proven performance: Infrastructure handling 400M+ daily API calls and serving millions of users
The Future of Onchain Development Is Open
OKX’s vision goes beyond providing tools—it’s about fostering a global community of innovators. In the coming months, OKX plans to roll out developer support programs, host global hackathons, and organize onchain meetups to nurture talent and accelerate ecosystem growth.
By democratizing access to high-performance infrastructure, OKX aims to lower the barrier to entry for new developers while giving experienced teams the firepower they need to scale.
👉 Start building your next breakthrough app with powerful tools trusted by top Web3 projects.
Frequently Asked Questions (FAQ)
Q: What is OKX OS?
A: OKX OS is a comprehensive onchain development platform offering APIs, SDKs, and tools that enable developers to build and scale decentralized applications across more than 100 blockchains.
Q: Is OKX OS free to use?
A: Yes, developers can start using OKX OS for free today. Additional support programs and resources will be introduced over time.
Q: Which blockchains does OKX OS support?
A: It supports over 100 chains, including EVM networks (like Ethereum and Polygon), UTXO chains (like Bitcoin), and homogeneous chains such as Solana.
Q: Can I use OKX OS for NFT or gaming projects?
A: Absolutely. OKX OS includes dedicated modules for NFT marketplace creation, in-game asset management, and wallet integration tailored for Web3 games.
Q: How secure is the infrastructure?
A: The platform leverages OKX’s industry-leading security practices, including regular audits, encryption standards, and risk mitigation protocols used by millions daily.
Q: Do I need prior blockchain experience to use OKX OS?
A: While some familiarity helps, the toolkit is designed to be accessible to both novice and advanced developers, with clear documentation and developer-friendly APIs.
Final Thoughts: Building Without Boundaries
OKX OS represents a major leap forward in making blockchain development faster, easier, and more inclusive. By opening up the technology behind one of the most connected onchain wallets in the world, OKX is giving developers the freedom to innovate without limits.
Whether you're launching a DeFi protocol, creating a cross-chain game, or experimenting with Bitcoin-native assets, OKX OS provides the foundation you need to succeed in today’s multi-chain reality.
The future of Web3 isn’t confined to a single chain—it’s everywhere. And now, with OKX OS, so are your possibilities.
👉 Unlock advanced tools and start building scalable onchain applications today.