OnchainOS

Build anything on any chain

A full-stack Web3 infrastructure suite for wallets, liquidity, and onchain data
Access 60+ networks

The ultimate Web3 infrastructure

Embrace full capabilities with ease
Wallet API
Easily create a secure wallet in just 3 steps, integrating 60+ networks, including EVM, Solana, TRON, BTC, and more.
Wallet Integration
DEX API
Quickly develop a trading system with the most comprehensive onchain liquidity pools for seamless cross-chain transactions.
OKX Build Developer Portal
Marketplace API
Swiftly build the most comprehensive market solutions and onchain order systems, pioneering the heterogeneous multi-chain market.
Wallet Security
DeFi API
Promptly deploy a powerful Web3 yield aggregator that maximizes earnings by curating top-performing DeFi products from multiple blockchain protocols.
Market Liquidity

Powerful wallet services

Streamline Web3 wallet development and simplify user onboarding

Wallet API
Connect wallet to DApps
  • Wallet setup demos

    Wallet setup demos

    Create your customized single-chain or multi-chain wallets

    Multi-address aggregation

    Track millions of assets across multiple addresses

    Multiple scenarios

    Integrate with 60+ networks, and support multi-chain ecosystems

    High availability and stability

    Ensure smooth integration through interface and system monitoring

  • Connect OKX Wallet to DApps

    Connect OKX Wallet to DApps

    Find out how to smoothly connect OKX Wallet to DApps and bring users onchain

    Web SDK

    Mobile SDK (Android, iOS)

  • Get startedLearn more
    MPC Wallet

OKLink explorer API, superior multi-chain data services

Unlock a dynamic view of blockchain activities
X Layer Chain

Join us for a simplified onboarding process and connect with the OKX ecosystem

0K+
Developers served
0M+
Wallets created
0M+
Daily API calls

Kickstart your

epic Web3 journey now!