Claude Certified Architect Prerequisite | Building with the Claude API Part 1: API Foundations

This lesson is part 1 of Building with the Claude API, an Anthropic Academy API course for building with Anthropic models. It also serves as prerequisite preparation for the Claude Certified Architect exam: before higher-level Claude architecture choices make sense, you need the request, key, model, and response mechanics. The goal is to understand the first API building blocks for designing and debugging Claude-powered applications. You will connect Claude model choice, server-side API key handling, the request lifecycle, Anthropic Console key creation, local notebook setup, the Messages API request shape, generated text extraction, usage, and stop reason into one mental model. The lesson is written for careful beginners, so each code cell is tied to an application reason: why the key stays out of client-side code, why `model`, `max_tokens`, and `messages` belong in the request, and why the response object is more than a text string. By the end, you should be ready to run the first request, change the prompt, inspect response metadata, and understand how this foundation supports later prompt engineering, production request patterns, and exam-oriented architecture study. #ClaudeAPI #Anthropic #AIEngineering #ClaudeCertifiedArchitect

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