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What is JSON—and why is it everywhere in API development?

Whether you're sending POST requests, logging structured data, or configuring an app, chances are you're working with JSON. In this quick guide, we’ll explain what JSON is, how it works, and why developers across Python, Go, Java, Rust, and JavaScript rely on it daily.

👨‍💻 You’ll learn:
🔸 What JSON stands for (JavaScript Object Notation)
🔸 Why it’s language agnostic and ideal for APIs
🔸 JSON structure: keys, values, arrays, nesting
🔸 Common syntax rules and gotchas (no comments, no trailing commas, etc.)
🔸 How JSON powers client-server communication in modern web apps and AI workflows

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