DiscoverProgramming Tech Brief By HackerNoonAPIs for Beginners: What They Are and How They Work
APIs for Beginners: What They Are and How They Work

APIs for Beginners: What They Are and How They Work

Update: 2025-11-22
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This story was originally published on HackerNoon at: https://hackernoon.com/apis-for-beginners-what-they-are-and-how-they-work.

A beginner's guide to what an API is, what frontend, backend, server, and JSON are, and how communication between programs happens over the Internet.

Check more stories related to programming at: https://hackernoon.com/c/programming.
You can also check exclusive content about #api, #frontend, #backend, #api-for-beginners, #how-apis-work, #backend-vs-frontend, #api-endpoints, #api-tutorial, and more.




This story was written by: @fakng-engineer. Learn more about this writer by checking @fakng-engineer's about page,
and for more stories, please visit hackernoon.com.





This article demystifies APIs using everyday examples, showing how programs communicate, how endpoints work, and why APIs power everything from marketplaces to modern web apps.

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APIs for Beginners: What They Are and How They Work

APIs for Beginners: What They Are and How They Work

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