400 Bad Request - HTTP | MDN - MDN Web Docs
Jul 4, 2025 · The HTTP 400 Bad Request client error response status code indicates that the server would not process the request due to something the server considered to be a client error.
What Is a 400 Bad Request Error (and How Can I Fix It)?
Dec 11, 2024 · A 400 Bad Request error occurs when a request sent to the website server is incorrect or corrupted, and the server receiving the request cannot understand it. While the issue is often on the …
400 Bad Request error: What it means & how to fix it - Hostinger
Aug 5, 2025 · Got a 400 Bad Request error? Discover what causes this HTTP error and follow our proven methods to fix it quickly on any browser.
How To Fix 400 Bad Request: Request Header Or Cookie Too Large?
Jul 23, 2025 · Have you ever seen a "400 Bad Request" error while browsing on the web, that might be confusing for you about what it means? When you request to a website the server responds with an …
How to Fix a 400 Bad Request Error (6 Simple Methods) - Kinsta
Oct 1, 2025 · The 400 Bad Request error indicates that the server cannot or process the request due to a client error. Read about the common causes and fixes.
How to Fix the 400 Bad Request Error - Lifewire
Dec 27, 2024 · The 400 Bad Request error is an HTTP status code that means the request you sent to the website server, often something simple like a request to load a web page, was somehow …
How to Fix HTTP Error 400 Bad Request - SiteGround KB
Sep 18, 2025 · “400 Bad Request” is a general error that indicates that your browser sends a request to the website’s server, and the server can’t process or recognize the client’s request. The following …
What is HTTP Error 400 and how do you fix it? - IT Pro
Oct 18, 2024 · Several issues can trigger an HTTP Error 400, which generally stem from user input or browser data. Here are five of the most common causes: 1. Bad URL Syntax. The most frequent …
Status Code 400 (Bad Request) Explained & How to fix it - Ryte
A status code 400 or a code 4xx indicates a client error. When the client sends an invalid request to the server, the server issues a status code 400. Too many 4xx errors can negatively effect usability.
HTTP response status codes - MDN Web Docs
Jan 5, 2026 · HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes: