How to Add Cross-Chain Swaps to a Go Microservice
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dev.to
Go powers the backends of most major blockchain infrastructure -- from consensus clients to validator tooling to DEX routing engines. If you need to add token swaps across multiple EVM chains to a Go service, you can do it with a single GET request and zero API keys. This guide walks through building a production-ready swap client in Go using swapapi.dev, a free DEX aggregator API that covers 46 chains. Cross-chain swap volume hit $56.1 billion in a single month in mid-2025, and the DeFi market