Our API is free to use for 2RPS - 20 times/10 seconds. You may get rate-limited of blocked if exceeding the request limit. On free plan, there is a 0.1% fee on swaps and not reflected on the /swap endpoint until submitting on chain, starting from Dec 6th.
If you need higher RPS and would like to discuss business collaboration, feel free to submit the request .
If you are using our API for arbitrage, please reach out us directly to or for tailored services.
API Referral program
Earn rewards by referring your frens or projects to integrate OpenOcean’s powerful V4 API — the fastest and most precise DEX aggregation solution. Whether you're a builder, partner, or community member, share us and get rewarded for every successful integration.
Start growing with OpenOcean — let’s build the future of DeFi together! 🌊
To learn more about the rewards, reach out to our BD or .
OpenOcean provides a powerful API for developers to implement seamless swap function in dApps. It offers the best swap rates, allows you to access the most decentralized exchanges (DEXs) covering 99% liquidities on major chains and perform token swaps across over 30 evm and non-evm chains.