Welcome to OKX DEX’s developer documentation. OKX DEX is an all-in-one trading aggregator for multi-chain and cross-chain transactions. You can use it to build the Web3 trading services and applications you need, suitable for various scenarios such as Web3 wallets, DApp projects, and DeFi projects.
We support 20 networks, including EVM networks, Solana, TRON, and other networks.
We aggregate 18 cross-chain bridges, including third-party bridges and official bridges, to guarantee optimal received token amounts. We aggregate over 400 decentralized exchanges, providing the best quotes.
Our API response time is within 100 milliseconds, while fetching optimal quote routes completely free of charge.