OpenOcean | Best DEX Aggregator for Decentralized Crypto Trading

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Ends Apr 30, 2026OpenOcean

News

OpenOcean in 2025: From Aggregation to Orchestration Gold, Silver and Oil Perps Are Now Live on OpenOcean How to Make Money When Markets Go Quiet: OpenOcean Integrates Pendle Yield Trading

Fully featured to buy, trade
and invest in OpenOcean.

Trade smarter with access to 1,000+ liquidity sources on 40+ EVM & non-EVM chains, including Solana - delivering the best prices, trusted by 200+ Web3 partners.

40+

Blockchains

20.0 M+

Total trades

2.8 M+

Total active users

1,000+

Aggregated sources

Lightning-fast Response Time

OpenOcean API avg. response time <150ms, 3.3x faster than industry average.

Deepest Liquidity

Tap into over 1,000 liquidity sources on 40+ chains, including Solana, for the best prices on every trade.

MEV Protection

Safeguard all trade sizes with dynamic slippage and advanced MEV defense.

Handle 1,000+ RPS with Ease

Support high-frequency and large-scale dApps.

Monetization Model & Support

Monetize your DeFi apps with OpenOcean's Pro API tool sets.

Best Swap Returns

OpenOcean's superior routing algorithm delivers the best final swap returns for every trade.

Build with OpenOcean

Integrate best-in-class DEX aggregation into your application via API or AI Agent.

REST API

Access deep liquidity and optimal routing across 40+ chains with simple REST endpoints. Get quotes, execute swaps, and track transactions.

Fast Integration

Simple REST API with comprehensive documentation

Multi-Chain

Single API for 40+ EVM and non-EVM chains

Developer Friendly

SDKs available for JavaScript, Python, Go, and more

View API Docs Get API Key

quote.js

 1// Get the best swap quote
 2const response = await fetch(
 3  'https://open-api.openocean.finance/v4/bsc/quote?' +
 4  new URLSearchParams({
 5    inTokenAddress: '0x55d398326f99059ff775485246999027b3197955',
 6    outTokenAddress: '0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d',
 7    amountDecimals: '5000000000000000000',
 8    gasPriceDecimals: '1000000000'
 9  })
10);
11
12const quote = await response.json();
13console.log('Best route:', quote.data);