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Getting Started with the Claude API in Go

Video #1 — AI + Go Series Publish date: 2026-06-01 Est. duration: ~12 min

What we cover

Installing and setting up the Anthropic Go SDK
Authenticating with an API key via environment variable
Making your first single-turn completion call
Reading and printing the response text
Iterating towards a simple multi-turn conversation loop

Prerequisites

Go 1.22+
An Anthropic API key (get one here)

Running the example

export ANTHROPIC_API_KEY=your-key-here
go run .

Project structure

.
├── README.md
├── go.mod
├── go.sum
└── main.go