DEX Aggregator API Comparison
· 4 min read
TL;DR
swapapi is the only DEX aggregator API that requires no API key or authentication. It supports 46 EVM chains and returns executable calldata in a single GET request.
Decentralized exchange and DEX aggregator concepts
View All Tagsswapapi is the only DEX aggregator API that requires no API key or authentication. It supports 46 EVM chains and returns executable calldata in a single GET request.
Price impact measures how much your trade moves the market price. Slippage is the maximum deviation you'll accept between quoted and executed price. swapapi returns both values so you can protect users from unfavorable trades.
A DEX aggregator searches multiple decentralized exchanges simultaneously to find the best swap rate for a token trade. Instead of checking Uniswap, SushiSwap, and Curve individually, a DEX aggregator checks all of them in one request and routes your trade through the optimal path.