---
title: "Discussion on \"Why Authentication Matters (and How It Works)\" | Hashnode"
description: "Discussion on \"Why Authentication Matters (and How It Works)\". What is API Authentication?\nAuthentication is the process of verifying who a user or system is when accessing an API. It ensures that only authorised users or applications can make API requests.\nWithout authentication, APIs are like open doors — anyo..."
url: "https://hashnode.com/posts/why-authentication-matters-and-how-it-works/683e889961703c392ebc2f1b"
---

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# [Why Authentication Matters (and How It Works)](https://fafacodes.hashnode.dev/why-authentication-matters-and-how-it-works?utm_source=hashnode&utm_medium=feed)

What is API Authentication? Authentication is the process of verifying who a user or system is when accessing an API. It ensures that only authorised users or applications can make API requests. Without authentication, APIs are like open doors — anyo...

Jun 3, 2025 · 3 min read · fafacodes.hashnode.dev  
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-   [#authentication](https://hashnode.com/tag/authentication)
-   [#oauth](https://hashnode.com/tag/oauth)
-   [#aws-cognito](https://hashnode.com/tag/aws-cognito)
-   [#sso](https://hashnode.com/tag/sso)
-   [#apis](https://hashnode.com/tag/apis)

## Written by

[Uffa Modey](https://hashnode.com/@fafacodes)

@fafacodes · United Kingdom

  
[View profile](https://hashnode.com/@fafacodes)

Software Engineer . Tech Content Creator . #BlackWomenInTech

Software Engineer excited at building real live cloud-native applications using Python. MSc Cybernetics and Communications Engineering from Nottingham Trent University.

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