Lookup & Fix HTTP Status Codes ⚡️

Stop digging through technical documentation. Get instant definitions, root causes, and actionable fixes for every HTTP response code—from "200 OK" to the dreaded "500 Internal Server Error."

💡 Why Use This Tool?

Whether you're debugging a REST API, managing Nginx logs, or troubleshooting a browser error, this tool provides immediate clarity.

• Distinguish nuances: Finally learn the difference between 401 (Unauthenticated) and 403 (Unauthorized).
• Compare timeouts: Understand when a 502 Bad Gateway becomes a 504 Gateway Timeout.
• Relieve stress: Toggle "Animal Mode" for a quick laugh during a long debugging session.

Search by code or keyword to get the official RFC definition paired with practical troubleshooting steps.

📘 Pro Tips

• Search Instantly Type a code (e.g., 404) or a name (e.g., Not Found). The list filters in real-time as you type.
• Filter by Category Jump to specific ranges: 2xx (Success), 3xx (Redirection), 4xx (Client Error), or 5xx (Server Error).
• Enable Animal Mode (http.cat) Toggle the "Animal Mode" switch to see the legendary "http.cat" illustrations for every code. It makes error handling significantly more bearable.
• Diagnose & Resolve We focus on the "Why" and "How." Every error includes specific next steps, such as auditing server permissions or checking stack traces.

🧐 Frequently Asked Questions

Q. What are HTTP status codes? A. These are standardized responses from a server to a client (like a browser). They indicate whether a request was successful, redirected, or failed due to a specific error.

Q. Is "418 I'm a teapot" real? A. Yes. It originated as an April Fools' joke (RFC 2324). While not used in production environments, developers often include it in APIs as an "Easter Egg."

Q. Will these solutions always fix my error? A. They cover the most common scenarios. However, 5xx errors often require a deep dive into your specific application logs (e.g., Apache, Nginx, or Cloudflare logs) to identify the exact point of failure.

📚 Trivia

• The 404 Myth Contrary to popular belief, "404 Not Found" wasn't named after a room at CERN. It was simply the next logical number in the 4xx sequence assigned by the IETF.
• SEO Impact Status codes dictate how Google crawls your site. A "301 Moved Permanently" transfers "link juice" (SEO authority) to a new URL, whereas a "302" tells bots the move is only temporary.
• Rate Limiting As APIs became more prevalent, "429 Too Many Requests" became a vital tool for developers to manage traffic and prevent bot abuse.