Feb 8 · 3 min read · Intro If you’re a developer, you must’ve already built many platforms that require API calls and one of the most common errors developers encounter is: Access to fetch at '...' has been blocked by CORS policy This message appears when the browser blo...
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Oct 9, 2025 · 6 min read · CORS (Cross-Origin Resource Sharing) CORS is an HTTP-header based security mechanism that allows servers to explicitly permit browsers to access resources from different origins (domains, protocols, or ports), while the Same-Origin Policy would other...
AAnurag commentedOct 4, 2025 · 5 min read · What if CORS did not exist? Lets suppose you have opened two tabs: one is “https://example.com” and the other is “https://instagram.com” on a same browser, and you are logged in your Instagram . Because you are logged in, your browser would automat...
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Oct 3, 2025 · 3 min read · Prerequisite Knowledge Basic HTTP Methods (GET, POST, etc.) Web Content (Scripts, HTML, stylesheets) Keep in Mind The origin of some web content is composed of the protocol (usually HTTP), the domain (“google.com”, “facebook.com”), and the port ...
Join discussionOct 1, 2025 · 4 min read · The birth of a child marks new beginnings in a family. However, it also offers an excellent opportunity to preserve something valuable for the baby’s health: cord tissue. It is found in the umbilical cord and is rich in different stem cells that have...
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Aug 13, 2025 · 6 min read · You know it. You hate it. It is quite annoying when this dreaded error shows up when your app looks like a real product. That is CORS (Cross Origin Resource Sharing). It is not quite a bug, not quite a feature (I’m sure you’ve read this in the milli...
Join discussionJul 29, 2025 · 2 min read · The Bug I was trying to fetch daily horoscopes from a public API: https://horoscope-app-api.vercel.app/api/v1/get-horoscope/daily?sign=Virgo&day=TODAY Pasting the URL into the browser worked perfectly. I could see a JSON response like this: { "data...
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Apr 7, 2025 · 2 min read · 🛑 CORS Error in React: Why It Happens & How to Fix It (Easily) Ever seen this frustrating error while building your frontend project? Access to fetch at 'https://www.swiggy.com/...' from origin 'http://localhost:1234' has been blocked by CORS pol...
Join discussionFeb 28, 2025 · 3 min read · Have you ever encounter CORS errors while integrating api into your front end apps. You would be wondering “what did i do wrong?”. Relax it’s not your fault. It’s not even a client code error. CORS errors cannot be accessed or resolved programmatical...
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Jan 4, 2025 · 2 min read · When working with web applications, you might have encountered CORS errors that block your requests to APIs or external resources. Let’s dive into what CORS errors are, why they happen, and how to resolve them effectively. 🛠️ Why Do CORS Errors Happ...
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