How to Build a DEX Aggregator to Find the Best Swap Rates

✨ New Feature: Track Multiple Wallets Coins: 18,969 Exchanges: 1,467 Market Cap: $2.901T 6.1% 24h Vol: $204.353B Dominance: BTC 57.1% ETH 11.4% Gas: 0.103 GWEI Login Sign up Cryptocurrencies Exchanges NFT Learn Products API Candy Portfolio Search / All Latest Airdrops Coins & Tokens Guides Wallets & Bridges API Reviews More + API How to Build a DEX Aggregator to Find the Best Swap Rates 4.3 | by Rollend Xavier | Edited by Brian Lee - Updated September 26 2025