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  1. 400 Bad Request - HTTP | MDN - MDN Web Docs

    Jul 4, 2025 · 400 Bad Request The HTTP 400 Bad Request client error response status code indicates that the server would not process the request due to something the server …

  2. 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.

  3. How to Fix HTTP Error 400 Bad Request - SiteGround KB

    Sep 18, 2025 · Learn how to fix the HTTP Error 400 Bad Request with these 8 proven methods. Understand the common causes and resolve 400 status code issues effectively.

  4. What Is a 400 Bad Request Error (and How Can I Fix It)?

    Dec 11, 2024 · A 400 Bad Request error can prevent you from accessing a website. You can resolve the error by trying solutions like flushing the DNS cache, clearing the browser cache, …

  5. 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 …

  6. What Is a 400 Bad Request? Definition, Causes, & How to Fix

    Apr 7, 2025 · One of the most common causes of a 400 Bad Request error is a problem in the URL—like extra spaces or special characters such as“&,” “%”, and “#.” Sometimes, the URL is …

  7. What is HTTP Error 400 and how do you fix it? - IT Pro

    Oct 18, 2024 · An HTTP Error 400, often referred to as the "Bad Request" error, occurs when a website server is unable to process a request due to issues such as an incorrect URL or …

  8. 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.

  9. How To Fix 400 Bad Request: Request Header Or Cookie Too Large?

    Jul 23, 2025 · When you see 400 bad request error , it usually means that your browser is sending to much data to the server, either through cookies or through headers. To fix this …

  10. 400 Bad Request - HTTP Status Code Glossary - WebFX

    What Is a 400 Status Code? The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message …