What are the best DEX APIs for Solidity smart contracts ?

Swap API for multi-chain ease. 1inch for ETH depth. Paraswap, 0x, LI.FI round out.

How do DEX APIs integrate with Solidity?

Off-chain quote to calldata. On-chain: router.call{value: msg.value}(data). Check minOut post-swap.

Already did. Gas math won. Multi-chain

Your contract's swap just bombed—gas spiked, slippage ate the profits. Here's the no-BS guide to DEX APIs that fix this for Solidity devs.

theAIcatchup Apr 10, 2026 3 min read

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#1inch API #DEX APIs #DeFi integration #DeFi swaps #EVM chains #Solidity smart contracts #Swap API #defi-protocols #swap calldata #token swaps

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