OpenOcean

OpenOcean is a broad DEX and cross-chain swap aggregator and a Web3 middleware developer, offering tools across 23 networks and 285+ liquidity sources.

The Best Rate Swap feature lets retail users perform token-to-token swaps on the protocol, with adoption by Defillama, Gnosis SAFE, Li Finance, Xdefi Wallet, BENQI, and others via its API, SDK, and widget.

Its API powers arbitrage trading for projects like Hummingbot and Alpha One.

The Cross-chain Swap capability lets users bridge and swap tokens across chains, and projects can provide cross-chain swaps through the API.