TL;DR URIs can be prone to errors when it comes to encoding and decoding, leading to broken links, invalid API requests, and security vulnerabilities if not handled correctly. URI Errors: When Encoding/Decoding Fails As Full Stack Developers, we're often tasked with handling user input, API interactions, and data exchange between different systems. One crucial aspect of this work is dealing with Uniform Resource Identifiers (URIs), which can be prone to errors when it comes to encoding and decoding. What are URIs? Before diving into the world of URI errors, let's quickly recap what URIs are all about. A URI is a string that identifies a resource on the web, such as a webpage, API endpoint, or file.