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Understanding APIs and RESTful APIs Crash Course

Discover what APIs and RESTful APIs are and how they work

Kalob Taulien

Created by Kalob Taulien

Explore the world of APIs and RESTful APIs in a way that feels approachable and practical. You'll learn how computers communicate, what makes APIs work, and why RESTful APIs are so widely used. No heavy coding is required, so you can focus on understanding the core ideas and real-world applications.

Packt | Apr 2020 | 40 min

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LevelBeginner
CategoriesWeb & Application Development, API Development Tools, Frameworks and Best Practices, JavaScript

What You Will Learn

You'll build a strong foundation by working through clear explanations and relatable metaphors that make technical concepts easy to grasp. A simple JavaScript demo helps you see how APIs work in action, but the focus stays on practical understanding rather than programming. By the end, you'll feel comfortable discussing and using APIs in your projects.

Key Features

  • Understand how APIs and RESTful APIs enable communication between systems
  • Identify and use the main HTTP request methods like GET, POST, PUT, PATCH, and DELETE
  • Recognize CRUD operations and interpret common HTTP status codes with confidence

Target Audience

Perfect for junior web developers and curious non-coders who want to understand how different systems interact over the web. If you're looking to strengthen your technical vocabulary and gain confidence in working with APIs, this is a great place to start, even if you have little or no coding experience.

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