How to Swap Tokens Programmatically with...

Swapping tokens programmatically with TypeScript requires three things: a swap API that returns executable calldata, a wallet library to sign transactions, and an RPC connection to broadcast them. With DEX aggregators handling over $13.5 billion in daily trading volume and TypeScript dominating web3 frontend and bot development, knowing how to execute on-chain swaps from code is a core skill for any DeFi developer. This guide walks you through swapping tokens on any EVM chain using TypeScript an