One integration.
Every chain. Best rates.
OpenOcean is a leading multi-chain DEX aggregator built for Web3 wallets, trading platforms, and professional traders. Access the best swap rates, deep liquidity, and reliable execution across 40+ chains with a single API.
How It Works
A clear pipeline from liquidity aggregation to transaction execution:
Aggregate
Connect to 1,000+ liquidity sources.
Route
Compute the optimal swap path.
Quote
Return best price and calldata.
Execute
User signs and broadcasts.
Integration Flow: Call Quote to get the best route, then Swap to get the transaction body. Your app or user signs and broadcasts.
Core Capabilities
Multi-chain Aggregation
One API for 40+ chains and 1,000+ liquidity sources. No per-DEX integrations.
Smart Order Routing
Optimal path and pricing with automatic split routes and multi-hop when beneficial.
EVM & Non-EVM
Support for Ethereum, BNB Chain, Arbitrum, and non-EVM chains like Solana and Sui.
Deep Liquidity
Access to Uniswap, Balancer, PancakeSwap, Curve, RFQ, and private liquidity.
Developer-friendly
REST API, SDK, and Widget with clear docs and comprehensive examples.
Non-custodial
We never custody funds. All transactions are signed by users.
