Here are some questions for you: How do you log in to apps with your Google, Apple, or Microsoft account? How do online payments with Paystack or PayPal work? How do apps like Facebook and Instagram share information and notifications? The answer is:...

freeCodeCamp is a nonprofit organization offering free online coding courses and programming tutorials, covering topics such as web development, data science, and machine learning. Learners can gain practical coding skills, build real-world projects, and earn certifications to advance their careers in tech.

freeCodeCamp

APIs (Application Programming Interfaces) are essential tools that enable communication between different software systems. This guide covers the fundamentals of APIs, including their types (Open, Partner, Internal, Composite) and various architectures (REST, SOAP, GraphQL, gRPC). APIs streamline development by facilitating data exchange and integrating external functionalities securely and efficiently. Understanding these concepts helps developers choose the right API architecture based on performance, scalability, ease of use, and security needs.

Learn API Fundamentals and Architecture – A Beginner-Friendly Guide

I recommend this guide to everyone starting out. Im new to programming myself and this really helped me understand API’s

one of the best article out there for understanding API’s

I think this is a really good article for newer developers who know how to code in the languages they need, but don’t really know about the data transfers going on underneath.